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Lenovo Essential G50-70

1. 30 ee 30 Removing and replacing an FRU 31 TOTO Battery Palk is memes 32 1020 Base COUV eu Ng Eo RE 33 1030 Optical drive 35 1040 Hard disk drive 36 1050 PCI Express Mini Card for wireless LAN 38 POGOe RETE ie 40 1070 Fari assembly esi ertt paa nina 41 1060 Keyboard A 43 1090 Keyboard bezel 46 1100 ODD board and USB amp audio board 49 1110 System board isis 53 1120 Heat sink assembly 56 1130 Speakers and DC in cable 57 1140 LC D UN AR d vida 59 1150 LCD front bezel LCD panel and hinges 61 1160 Camera A 64 1170 LCD cable and antenna assembly 66 Locations BN RR RTT E 67 Front view and right side view 67 Bottom and Left side view 68 Pal 69 so EE 70 ECD FRUS eege 76 Keyboard PD A 78 Miscellaneous parts esses 80 AC AC DIOS sra 81 SOI WS T 81 Power CONRGS A 82 Reese 85 Trademarks creia diosa 86 lii About this manual iv This manual contains service and reference information for the following Lenovo product Lenovo G50 70 G50 70m Z50 70 Use this manual to troubleshoot problems The manual is divided into the following sections The common sections provide general info
2. J Putting the computer to sleep or shutting it down When you have finished working with your computer you can put it to sleep or shut it down Putting your computer to sleep If you will be away from your computer for only a short time put the computer to sleep When the computer is in sleep mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display panel Press the power button Open the Charms and then select Settings ES Power gt Sleep Attention Wait until the power indicator light starts blinking indicating that the computer is in sleep mode before you move your computer Moving your computer while the hard disk is spinning can damage the hard disk causing loss of data To wake the computer do one of the following Press any key on the keyboard Press the power button Shutting down the computer If you are not going to use your computer for a long time shut it down To shut down your computer Open the charms bar then select Settings ES Power Shut down Right click the Start button in the lower left corner and select Shut down or sign out gt Shut down 25 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
3. 35 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1040 Hard disk drive For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 Attention Do not drop the hard disk drive or apply any physical shock to it The hard disk drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data Before removing the drive suggest the customer to backup all the information on it 1f possible Never remove the drive while the system is operating or in suspend mode Figure 4 Removal steps of hard disk drive Remove the screws HM Detach the HDD connector and then remove the hard disk drive from the slot in the direction shown by arrow RH Step Screw quantity Color Torque M2 x 6 mm flat head nylok coated 3 Black 1 5 2 0 kgf cm HDD BRK D When installing Make sure that the HDD connector is attached firmly 36 Lenovo G50 70 G50 70m Z50 70 Figure 4 Removal steps of hard disk drive continued Remove the screws Ki and detach the metal frame from the hard disk drive Step Screw quantity Color Torque M3 x 3 mm flat head nylok coated 4 White 2 5 3 0 kgf cm HDD BKT HDD 37 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1050 PCI Express Mini Card for wireless LAN For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 Figure 5 Re
4. 1 Go to http support lenovo com 2 Enter the serial number or select a product or use Lenovo smart downloading 3 Select the BIOS Driver Applications and download 4 Follow the directions on the screen and install the necessary software 16 Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs f you are instructed to replace an FRU but the replacement does not solve the problem reinstall the original FRU before you continue e Some computers have both a processor board and a system board If you are instructed to replace either of them and replacing one of them does not solve the problem reinstall that board and then replace the other one e If an adapter or a device consists of more than one FRU any of the FRUs may be the cause of the error Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configuration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the ha
5. Klapperger usche gepr ft werden Metallteile oder splitter k nnen Kurzschl sse erzeugen NT W FRU nadnn ANNI avnpn NIYIN 59 DNI DANN DIOP DIM D SPspn O 72N 2DW NTM OTD INN TINA MIZ 0 gt gt W0 n DVN ONIPNA JIVPU NI HDI vpnmn AVION NN 20202 W NNI DJ UN DAPI 01122 DID NINN 33V IN PIN Prima di accendere l elaboratore dopo che 6 stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all interno dell elaboratore Verificare ci scuotendo l elaboratore e prestando attenzione ad eventuali rumori eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi FRU DRASS IVCA D RIEAN OWN ML IR COMO ERA Er Lv MEI Ekauxrta ONERTIRA CWRW amp ARE TSJ a ONERI DIII AV Pa RABO TC WF HY UT EBB LRW ATED D E 4B uS ERE a bOMME BZ EMMNET Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y dem s piezas peque as se encuentran en su sitio y no se encuentran sueltas dentro del sistema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Safety notice 2 N DANGER Some standby batteries contain a small amount of nickel and cadmium Do not disassemble a standby batt
6. do not remove the plastic cover that protects the lower part of the inverter card Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen DUDIN DOI NN VONNI PN mbnawnnn MIMS 15 PIDA 090995 JU ANNA IPN Sy mn Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore REED AVNA DI FOPRERBLTWST IAF YF H Nri ROT HEV Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida Safety notice 7 A DANGER Though the main batteries have low voltage a shorted or grounded battery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschluf oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen AIT T123 nn MIV IN n gt wN n m55yonv qx DD 99019 0 1 AND n5129 MP IN IN NINPA 9994 9n HAYA IN 015 Sebbene le batterie di ali
7. 0011 1m Europe e lux 0033 HO3VV F 0 75 3C 0011 1m US e lux 0014 SPT 2 60 C 18 3C 0016 1m China e lux 0036 RVV 300 300 0 75 3C 0002 1m Indian e lux 0046 IS694 0 75 3C 0011 1m Japan lux 0018 E VCTF 0 75 3C 0021 1m Australia e lux 0038 HO3VV F 0 75 3C 0011 1m Taiwan e lux 0019 VCTF 0 75 3C 0021 1m Korea e lux 0033 HO3VV F 0 75 3C 0011 1m Italy e lux 0029 HO3VV F 0 75 3C 0011 1m South Africa e lux 0044 HO3VV F 0 75 3C 0011 1m Brazil e lux 0034 HO3VV F 0 75 3C 0011 1m Israel e lux 0041 HO3VV F 0 75 3C 0011 1m Switzerland e lux 0027 HO3VV F 0 75 3C 0011 1m Denmark e lux 0048 HO3VV F 0 75 3C 0011 1m Argentina e lux 0040 HO3VV F 0 75 3C 0011 1m P N 145000530 145000528 145000527 145000526 145000525 145500000 145500001 145500002 145500003 145500004 145500005 145500006 145500007 145500008 145500009 145500010 145500011 145500012 145500013 145500014 145500015 CRU ID 00000000000000000000000000000000000000000 060000000000000000000000000000000000000000 Notices 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Lenovo may n
8. Date on which the machine failed Date of purchase Procedure index and page number in which the failing FRU was detected Failing FRU name and part number Machine type model number and serial number Customer s name and address Se E guo de Note for warranty During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer The following is a list of some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force e Damage caused by liquid spilled into the system e Damage caused by the improper insertion of a PC Card or the installation of an incompatible card e Improper disk insertion or use of an optical drive Diskette drive damage caused by pressure on the diskette drive cover foreign material in the drive or the ins
9. HINGE D cover When installing Route the antenna cables along the cable guides As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Make sure that the LCD connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly Route the LCD cable along the cable guides 59 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 14 Removal steps of LCD unit continued Remove the LCD unit in the direction shown by arrow B 60 Lenovo G50 70 G50 70m Z50 70 1150 LCD front bezel LCD panel and hinges For access remove these FRUS in order 1010 Battery pack on page 32 1020 Base cover on page 33 e 1030 Optical drive on page 35 e 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 1100 ODD board and USB amp audio board on page 49 1110 System board on page 53 1130 Speakers and DC in cable on page 57 1140 LCD unit on page 59 Figure 15 Removal steps of LCD front bezel LCD panel and hinges Remove the LCD front bezel in the direction shown by arrows EN 61 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 15 Removal steps
10. Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem h behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt 1st und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschliefend ein Arzt aufgesucht werden y3oa N3 Ton TIN 219m 110 LCD 52157 WAN TOM ON JWI Ga TN OMM B MINN NN 190Y OD TD IN DY OY DVINN DYNADN ON PME nw MNIIPI 29 mno gt mp1 15 no9wn ANNI DIM DIN DY MD Nel caso che caso l LCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti poi consultare un medico se 1 sintomi dovessero permanere LCD DIHAL LCD OPORRETAN Rif 0 LESA dk PAS DS fru TE BBS amp 72 E b 15 NVOLUT CS Dev iit LAIT HEUS co CHE DOE t ATOR ASEO C lt CC Vv Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse 11 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 12 Safetv notice 6 A DANGER To avoid shock
11. Table 10 Parts list power cords Region P N CRU ID CCC 3PIN 145000600 e LINETEK PC323 RVV300 300 LS15 1m Argentina 3PIN 145000599 e LINETEK LS15 HO3VV F LP39 1m Danmark 3PIN 145000598 e LINETEK LS15 HO3VV F LP 38 1m Switzerland 3PIN 145000597 e LINETEK LS15 HO3VV F LP 37 1m Brazil 3PIN 145000596 e LINETEK LS15 HO3VV F LP26A 1m Israel 3PIN 145000595 e LINETEK LS15 HO3VV F LP 41 1m UL 3PIN 145000594 e LINETEK LP 30B SPT 2 LS15 1m UK 3PIN 145000593 e LINETEK LP 61L HO3VV F LS15 1m Indian 3PIN 145000592 e LINETEK PE 361 HO5VV F LS15 1m Italy 3PIN 145000591 S e LINETEK LS15 HO3VV F PE 336 1m Korea 3PIN 145000590 e LINETEK LS15 HO5VV F LP E04A 1m Australia 3PIN 145000589 e LINETEK LS15 HO3VV F LP 23A 1m Taiwan 3PIN 145000588 e LINETEK LS15 VCTF LP 53 1m Japan 3PIN 145000587 e LINETEK LS15 VCTF LP 54 1m Africa 3PIN 145000586 e LINETEK LS15 HO3VV F PE 364 1m CE 3PIN 145000585 e LINETEK LP 34 HO3VV F LS15 1m CCC 3PIN 145000568 e Longwell LSG 31 RVV300 300 LS 18 1m Argentina 3PIN 145000567 e Longwell LP 24 HO3VV F LS 18 1m Danmark 3PIN 145000566 e Longwell LP 40 HO3VV F LS 18 1m Lenovo G50 70 G50 70m Z50 70 Table 10 Parts list power cords continued Region Switzerland 3PIN e Longwell LP 37 HO3VV F LS 18 1m Brazil 3PIN e Longwell LP 46 HO3VV F LS 18 1m Israel 3PIN e Longwell LP 41 HO3VV F LS 18 1m UL 3PIN e Longwell LP 30B SPT 2 18AWG LS 18 1m UK 3PIN e Longwell LP 61L HO3VV F LS 18
12. laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites Werden Steuer und Einstellelemente anders als hier festgesetzt verwendet kann gef hrliche Laserstrahlung auftreten Az itt el rt elj r sokt l be ll t sokt l s vez rl sekt l elt rni a l zersug rz s vesz lye miatt kock zatos L utilizzo di controlli regolazioni o l esecuzione di procedure diverse da quelle specificate possono provocare l esposizione a Vcnoneb3oBaHune 3JleMeHTOB HacTpo ku U BbBIMOJIHEHME MPOLLEJIVP MHbIX HeM yka3aHo 3necb MOXXET MPMBECTH K ONACHOMY PAAUALUOHHOMY o6 ryueuuio Pou itie kontrol prav alebo in ch vykonan od in ch v robcov ako je v tomto pecifikovan mohlo by ma za n sledok nebezpe enstvo vystavenia sa vy iarovaniu AECCIBAESTUVIVNAELARO IERI JE ME ECL FIIRE ITO TAREAS 360 8 08 23450 3 3 El uso de controles o ajustes o la ejecuci n de procedimientos distintos de los aqu especificados puede provocar la exposici n a radiaciones peligrosas Opening the CD ROM drive the DVD ROM drive or any other optical storage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open 14 Safety information A CD ROM drive a DVD ROM drive or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode Note the following A DANGER Emits visible
13. machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical eguipment keep the other hand in your pocket or behind your back Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages instructions for these precautions are in the safety sections of maintenance information Be extremely careful when you measure the high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check it to make sure that it has been powered off d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Always look carefully for possible hazards in your work area Examples of these hazards are moist floors nongrounded power extension cable
14. p wnnwn 2129 MINI NI 022103 UVP MHM NNAAN n2210n JU MSLMA NIN ANAT 01535 Alcune batterie di riserva contengono una piccola quantit di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n cortocircuitarle Smaltirle secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria dell RTC real time clock o la batteria di supporto utilizzare soltanto 1 tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa Ti 7U onmicibiE Eo yzvbxgBgivAMAExivCOCO5602595 ET LEWOT PASITO HKE KERO POOR Silva RSES I EMRRLTITHAUTS ESV No 7 RERET Sa SM BRO FRAN ES T TEV BARA 7 VARIA YT IER ESV Rot y 7 UY eeATOL Av TUBE KUED PBLEVTSZILRBHVET Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Safety information Safety notice 3 N DANGER The battery pack contains small amounts of nickel Do not disassemble it throw 1t into fire or water or short circuit 1t Dispose of the battery pack as required by local ordinances or regu
15. part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts Keep the parts in protective packages until they are inserted into the product Avoid contact with other people Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system to guard against ESD damage is desirable but not necessary Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an E
16. references to the exploded view in Overall on page 70 P N 90205110 90205111 90205109 90205315 90205316 90205394 90205112 90205113 CRU ID Lenovo G50 70 G50 70m Z50 70 AC adapters Table 8 Parts list 3 pin AC adapters FRU Delta ADLX45NDC3A 20V2 25A adapter Liteon ADLX45NLC3A 20V2 25A adapter Chicony ADLX45NCC3A 20V2 25A adapter Delta ADLX45NDC3A 20V2 25A adap CMN Liteon ADLX45NLC3A 20V2 25A adap CMN Chicony ADLX45NCC3A 20V2 25A adap CMN Delta ADLX65NDC3A 20V3 25A adapter Liteon ADLX65NLC3A 20V3 25A adapter Chicony ADLX65NCC3A 20V3 25A adapter Liteon ADLX65NLC3A 20V3 25A adap CMN Chicony ADLX65NCC3A 20V3 25A adap CMN Screws Table 9 Parts list screws FRU ACLU1 Screw Panel A MB D IO BD D Thm MB Vienna SCREW M M 3 0D 3 0L K 4 0D 0 4T ACLU1 Screw D C D KB ODD BKT D MB KB FAN ACLU 1 Screw Hinge D VIUU4 Screw 2D 2 5LK 4 5D 0 5T ZK NL AILZA Screw M M 2D 1 5 3 4L K 3 5D 1T ACLU1 Screw D SYS ID Hole Thm Door SYS AILZC SCREW M M 2 5D 3 5L K 5 3D Z50 70 G50 70m P N 36200245 36200246 36200247 36200602 36200606 36200610 36200249 36200251 36200253 36200607 36200611 P N 90205117 90204955 90205118 90205119 90202836 90203989 90205222 90204294 CRU ID CRU ID Zz z ziziziziz 81 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Power cords A Lenovo power cord for a specific country or region is usually available only in 82 that country or region
17. used only once Do the following when you service this machine Keep the screw kit in your tool bag Carefully remove screws for reuse when replacing FRUs Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part more than 90 E V Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 E Cross section Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure that you use the correct screws If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Carefully remove screws for reuse when replacing FRUs Make sure that all screws are tightened firmly Ensure torque screwdrivers are calibrated correctly following country specifications 30 Lenovo G50 70 G50 70m Z50 70 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU Make sure to observe the following general rules 1 Do not attempt to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review FRU replacement notices on page 30 3 Begi
18. 0 port x 1 2 in 1 slot x 1 SD MMC 1 8 Combo audio jack 1 5 W speakers x 2 Array Microphone 10 100 1 000 Mbps Combined in combo card Lenovo G50 70 G50 70m Z50 70 Table 1 Specifications continued Feature Keyboard Touchpad Integrated camera Battery AC adapter Pre installed operating system Description 6 rows Lenovo Keyboard Multi touch type HD 720p 0 3 M 4 cell 2 200 mAh 2 800 mAh 20 V 65 W or 45 W Windows 8 1 27 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Status indicators l indicators The system status indicators below show the computer status Table 2 Status indicators Indicator Power oO Battery 28 Indicator status On solid white Blinking Off On solid white On solid amber Blinking slowly white Blinking slowly amber Blinking quickly amber Charge status Charging Discharging Discharging Charging Charging Charging Discharging Meaning The computer is powered on The computer is in sleep mode The computer is powered off The battery has more than 80 charge The battery has more than 20 charge The battery has between 5 and 20 charge The battery has between 20 and 80 charge When the battery reaches 80 charge the light will stop blinking However charging will continue until the battery is fully charged The battery has less than 20 charge When the battery charge reac
19. 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 26 This chapter presents the following product specific service references and product specific parts information Specifications on page 26 Status indicators on page 28 Hotkeys on page 29 FRU replacement notices on page 30 Removing and replacing an FRU on page 31 Locations on page 67 Parts list on page 69 Specifications The following table lists the specifications of the Lenovo G50 70 G50 70m Z50 70 Table 1 Specifications Feature Processor Bus architecture Graphic memory chip Display Standard memory CMOS RAM Hard disk drive Optical drive I O port Audio Ethernet on the svstem board Bluetooth wireless Description See the svstem properties of vour computer vou can do this as follows Open the Control Panel and then select Svstem and Securitv System 1 600 MHz DDR3 SDRAM PC3 128005 PCI Express bus DMI Integrated AMD Jel LE 15 6 16 9 1 366 x 768 pixels DDR3L 1 600 MHz SODIMM x 2 max 16 GB 256 Bytes 2 5 inch 7 mm 9 5 mm SATA 320 GB 500 GB 1TB 5 400 rpm Internal 9 0 mm Rambo Combo audio jack x 1 RJ45 x 1 HDMI port x 1 USB 2 0 port x 2 USB 3
20. 006555 90006556 90006551 90006552 90006553 90006548 90006549 90006550 90006545 90006546 90006547 90006542 90006543 90006544 90005941 90006501 90006502 90006539 90006540 90006541 90006536 90006537 90006538 90006533 90006534 90006535 90006533 90006539 90006542 90006548 CRU ID z z z iziziziz iziziziziziziziziziziziziziziziziziziz iziziziz izizizizi iziziziziziziziziziziziziz Lenovo G50 70 G50 70m Z50 70 Table 4 Parts list Overall continued No FRU O1 Om Om OO aa Om Om O1 O1 O1 O1 O1 Om O1 O1 O1 0101 Om Om O1 O1 O1 01 01 Om O1 O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 01 O1 O1 01 O1 O1 O1 ACLU2 MB UMA 13 4100U 1000M Z50 70 ACLU2 MB UMA 15 4200U 1000M Z50 70 ACLU2 MB UMA 17 4500U 1000M Z50 70 ACLUG Camera Board 720P Z50 70 G50 70m ACLUH MB I7 4500U 2G 1000M Z50 70 G50 70m ACLUH MB W8P I7 4500U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 17 4500U 2G 1000M Z50 70 G50 70m ACLUH MB 15 4200U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 15 4200U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 15 4200U 2G 1000M Z50 70 G50 70m ACLUH MB 13 4100U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 13 4100U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 13 4100U 2G 1000M Z50 70 G50 70m ACLUH MB 13 4010U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 13 4010U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 13 4010U 2G 1000M Z50 70 G50 70m ACLUH MB 13 4005U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 13 4005U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 13 4005U 2G 1000M Z50 70
21. 0205398 90205399 ACLUH LCDCoverWhiteW Antenna LCDCableDIS 90205318 Z50 70 G50 70m CRU ID zZ ziziziziziziziziziziziziziziziziziziziz 7 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Keyboard Table 6 Parts list Keyboard Language Chicony Sunrex 78 English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian English amp French Korean Traditional Chinese Russian Japanese French German Arabic Brazilian Dutch Greek Hebrew Hungarian Four Nordic countries Belgian Icelandic Slovenian Swiss International English Czechoslovakian Bulgarian Indian English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian English amp French Korean Traditional Chinese Russian French German P N 25214725 25214726 25214727 25214728 25214729 25214730 25214731 25214732 25214733 25214734 25214735 25214736 25214741 25214737 25214738 25214739 25214740 25214742 25214743 25214744 25214745 25214746 25214747 25214748 25214749 25214750 25214751 25214752 25214753 25214754 25214755 25214756 25214757 25214758 25214759 25214760 25214761 25214762 25214763 25214764 25214765 25214766 25214767 25214768 CRU ID Lenovo G50 70 G50 70m Z50 70 Table 6 Parts list Keyboard continued Language Sunrex Liteon Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Four Nordic countries Bel
22. 07207 90007208 90007209 90007210 90007211 90007212 90007213 90007214 90007215 90007216 90007217 CRU ID z z z iziziziz iziziziziziziziziz iziziziziziziziziziz iziziziz izizizizi iziziziziziziziziziziziziz 73 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 74 Table 4 Parts list Overall continued No FRU 0 N Y YO 01 Om Om Om OO Om O O O O O O O1 01 O1 Ci O1 O1 CI ACLUB MB W8S DIS 15 4200 GT 4G Z50 70 ACLUB MB W8S DIS 13 4100 GT 4G Z50 70 ACLUB MB W8S DIS 13 4010 GT 4G Z50 70 ACLUB MB W8S DIS 13 4005 GT 4G Z50 70 ACLUB MB W8S DIS 3558 GT 4G Z50 70 ACLUB MB W8S DIS 2957 GT 4G Z50 70 ACLUB MB W8P DIS I7 4500 GT 2G Z50 70 ACLUB MB W8P DIS 15 4200 GT 2G Z50 70 ACLUB MB W8P DIS 13 4100 GT 2G Z50 70 ACLUB MB W8P DIS 13 4010 GT 2G Z50 70 ACLUB MB W8P DIS 13 4005 GT 2G Z50 70 ACLUB MB W8P DIS 3558 GT 2G Z50 70 ACLUB MB W8P DIS 2957 GT 2G Z50 70 ACLUB MB W8P DIS I7 4500 GT 4G Z50 70 ACLUB MB W8P DIS 15 4200 GT 4G Z50 70 ACLUB MB W8P DIS 13 4100 GT 4G Z50 70 ACLUB MB W8P DIS 13 4010 GT 4G Z50 70 ACLUB MB W8P DIS 13 4005 GT 4G Z50 70 ACLUB MB W8P DIS 3558 GT 4G Z50 70 ACLUB MB W8P DIS 2957 GT 4G Z50 70 ACLU2 ODD Board W Cable ACLU1 HeatSink DIS G50 70 ACLU1 HeatSink UMA G50 70 Z50 70 ACLUG Heatsink DIS Z50 70 G50 70m ACLU1 Fan ACLU2 USB amp Audio Board W Cable ACLU2 Speaker L R G50 70 HDD ST320LTO12 6G 7mm 5 4K 320G HDD HDD WD3200LPCX 24C6HTO 6G 7mm 5
23. 1m Indian 3PIN e Longwell LP 67 BIS LS 18 1m Italy 3PIN e Longwell LP 22 HO3VV F LS 18 1m Korea 3PIN Longwell LP 486 KTLHO3VV F LS 5 1m Australia 3PIN Longwell LP 23A LFC 3R LS 18 1m Taiwan3PIN Longwell LP 71 VCTF LS 33 1m Japan 3PIN Longwell LP 54 VCTF LS 18 1m Africa 3PIN e Longwell LP 39 HO3VV F LS 18 1m CE 3PIN e Longwell LP 34A HO3VV F LS 18 1m CCC 3PIN VOLEX GB10S3 RVV 300 500 VAC5S 1m UL 3PIN Volex e US15S3 SPT 2 VAC5S 1m UK 3PIN VOLEX e MP5004 HO3VV F VAC5S 1m Switzerland 3PIN e VOLEX MP232 H03VV F VACSS 1m Italy 3PIN e VOLEX IT10S3 HO3VV F VAC5S 1m Denmark 3PIN e VOLEX MP233D HO3VV F VAC5S 1m Korea 3PIN e VOLEX M2511 KETI IEC VAC5S 1m Australia 3PIN e VOLEX AU10S3 HO3VV F VAC5S 1m Taiwan 3PIN e VOLEX TW15CS3 VCTF VAC5S 1m P N 145000565 145000564 145000563 145000562 145000561 145000560 145000559 145000558 145000557 145000556 145000555 145000554 145000553 145000538 145000537 145000605 145000524 145000535 145000534 145000533 145000532 145000531 CRU ID 83 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 84 Table 10 Parts list power cords continued Region Japan 3PIN e VOLEX VAC5S VCTF M755 1m Argentina 3PIN VOLEX VA2073 HO3VV F VAC5S 1m Brazil 3PIN e VOLEX CH10S3 HO3VV F VAC5S 1m Israel 3PIN e VOLEX SI16S3 HO3VV F VAC5S 1m CE 3PIN e VOLEX M2511 HO3VV F VAC5S 1m UK e lux 0031 HO3VV F 0 75 3C
24. 200558 20200557 20200570 20200579 20200573 20200418 25215010 25213110 29215312 25215832 90205217 90205323 90205218 90205324 121500171 121500172 121500173 121500174 121500175 121500176 CRU kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk ID 75 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual LCD FRUs In Lenovo G50 70 G50 70m Z50 70 there are following types of LCDs 76 Lenovo G50 70 G50 70m Z50 70 Table 5 Parts list 15 6 in HD LED No FRU NINN NN NNN OO Oo bk bk ob MM A A ACLU2 LCD Bezel Black G50 70 ACLUH LCD Bezel Black M Z50 70 G50 70m ACLUH LCD Bezel Silver H Z50 70 G50 70m LGD LP156WH3 TPSH HD G F LED1 NB LCD AUO B156XTNO04 0 4A HD G F LED1 NB LCD CMI N156BGE EB1 C2 HD G S LED1 NB LCD ACLU2 Hinge L R ACLU2 LCD Cable DIS G50 70 ACLU2 LCD Cable UMA G50 70 ACLU2 Antenna WLAN Main AUX G50 70 ACLU1 Camera Board 1M G50 70 ACLU1 Camera Board 0 3M G50 70 ACLUG Camera Board 720P Z50 70 G50 70m ACLU2 LCD Cover Black DIS ACLU2 LCD Cover Black UMA G50 70 Z50 70 ACLUB LCD Cover DIS Z50 70 ACLUB LCD Cover UMA Z50 70 ACLUB LCD Cover SV DIS Z50 70 ACLUB LCD Cover SV UMA Z50 70 ACLUB LCD Cover White UMA Z50 70 FRU no 90205215 90205319 90205320 18201668 18201669 18201670 90205235 90205236 90205237 90205234 90005906 90005907 90006949 90205213 90205214 90205395 90205396 90205397 9
25. 2957U 2G 100M G50 70 ACLU2 MB W8S 2957U 2G 100M G50 70 ACLU2 MB 2957U 2G 1000M G50 70 ACLU2 MB W8P 2957U 2G 1000M G50 70 FRU no 90205216 90205321 90205322 90005942 90006512 90006513 90006514 90005938 90006495 90006496 90006530 90006531 90006532 90006527 90006528 90006529 90006515 90006516 90006517 90005939 90006497 90006498 90006524 90006525 90006526 90006521 90006522 90006523 90006518 90006519 90006520 90005940 90006499 90006500 90006509 90006510 90006511 90006506 90006507 90006508 90005937 90006493 90006494 90006503 90006504 CRU ID Z Z2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2Z Z 71 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 12 Table 4 Parts list Overall continued No FRU O1 Om O1 OO O1 01 Om Om O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 01 Om O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 ACLU2 MB W8S 2957U 2G 1000M G50 70 ACLU2 MB UMA I7 4500U 100M G50 70 ACLU2 MB W8P UMA I7 4500U 100M G50 70 ACLU2 MB W8S UMA I7 4500U 100M G50 70 ACLU2 MB UMA 17 4500U 1000M G50 70 ACLU2 MB W8P UMA I7 4500U 1000M G50 70 ACLU2 MB W8S UMA I7 4500U 1000M G50 70 ACLU2 MB UMA 15 4200U 100M G50 70 ACLU2 MB W8P UMA 15 4200U 100M G50 70 ACLU2 MB W8S UMA 15 4200U 100M G50 70 ACLU2 MB UMA 15 4200U 1000M G50 70 ACLU2 MB W8P UMA 15 4200U 1000M G50 70 ACLU2 MB W8S UMA 15 4200U 1000M G50 70 ACLU2
26. 4K 320G HDD HDD HTS545032A7E660 6G 7mm 5 4K 320G HDD HDD TSB MQ01ABF032 6G 7mm 5 4K 320G HDD HDD ST500LT012 6G 7mm 5 4K 500G HDD HDD WD5000LPCX 24C6HTO 6G 7mm 5 4K 500G HDD HDD HTS545050A7E660 6G 7mm 5 4K 500G HDD HDD TSB MQO1ABFO50 6G 7mm 5 4K 500G HDD HDD ST1000LM024 6G 9 5mm 5 4K 1T HDD HDD WD10JPCX 24UE4T0 6G 9 5mm 5 4K 1T HDD HDD TSB MQ01ABD100 6G 9 5mm 5 4K 1T HDD HDD HTS541010A9E680 6G 9 5mm 5 4K 1T HDD HDD ST500LM000 6G 7mm 500G 8G SSHD HDD ST1000LM014 9 5mm 1T 8G 5400rpm SSHD RAM SS M471B5173QHO YKO 4GB DDR3L 1600 new RAM Hyn HMT451S6AFR8A PB DDR3L 1600 4GB RAM RMT3170ME68F9F 1600 4GB DDR3L 1600 MC RAM MC MT8KTF51264HZ 1G6E1 4GB DDR3L 1600 RAM BM471B5173DB0 YKO 25nm 4GB DDR3L 1600 RAM SK HMT451S6BFR8A PB RD 4GB DDR3L 1600 FRU no 90007218 90007219 90007220 90007221 90007222 90007223 90007224 90007225 90007226 90007227 90007228 90007229 90007230 90007231 90007232 90007233 90007234 90007235 90007236 90007237 90005944 90205114 90205115 90205317 90205116 90005943 90205233 16200384 16200551 16200405 16200434 16200383 16200395 16200404 16200433 16200385 16200393 16200429 16200400 16200391 16200389 11202079 11201300 11202302 11202125 11202081 11202706 CRU ID z z z iziz iziziziziziziziziziziziziziziziziziziziziziz Lenovo G50 70 G50 70m Z50 70 Table 4 Parts list Over
27. 50 70 G50 70m ACLU2 Power Board W Cable ACLU2 MB 17 4500U 2G 100M G50 70 ACLU2 MB W8P I7 4500U 2G 100M G50 70 ACLU2 MB W8S I7 4500U 2G 100M G50 70 ACLU2 MB DIS I7 4500U 2G 1000M G50 70 ACLU2 MB W8P 17 4500U 2G 1000M G50 70 ACLU2 MB W8S 17 4500U 2G 1000M G50 70 ACLU2 MB 15 4200U 2G 100M G50 70 ACLU2 MB W8P I5 4200U 2G 100M G50 70 ACLU2 MB W8S I5 4200U 2G 100M G50 70 ACLU2 MB 15 4200U 2G 1000M G50 70 ACLU2 MB W8P 15 4200U 2G 1000M G50 70 ACLU2 MB W8S I5 4200U 2G 1000M G50 70 ACLU2 MB 13 4100U 2G 100M G50 70 ACLU2 MB W8P 13 4100U 2G 100M G50 70 ACLU2 MB W8S I3 4100U 2G 100M G50 70 ACLU2 MB DIS 13 4100U 2G 1000M G50 70 ACLU2 MB W8P 13 4100U 2G 1000M G50 70 ACLU2 MB W8S I3 4100U 2G 1000M G50 70 ACLU2 MB 13 4010U 2G 100M G50 70 ACLU2 MB W8P 13 4010U 2G 100M G50 70 ACLU2 MB W8S I3 4010U 2G 100M G50 70 ACLU2 MB 13 4010U 2G 1000M G50 70 ACLU2 MB W8P 13 4010U 2G 1000M G50 70 ACLU2 MB W8S I3 4010U 2G 1000M G50 70 ACLU2 MB 13 4005U 2G 100M G50 70 ACLU2 MB W8P 13 4005U 2G 100M G50 70 ACLU2 MB W8S I3 4005U 2G 100M G50 70 ACLU2 MB DIS 13 4005U 2G 1000M G50 70 ACLU2 MB W8P 13 4005U 2G 1000M G50 70 ACLU2 MB W8S I3 4005U 2G 1000M G50 70 ACLU2 MB 3558U 2G 100M G50 70 ACLU2 MB W8P 3558U 2G 100M G50 70 ACLU2 MB W8S 3558U 2G 100M G50 70 ACLU2 MB 3558U 2G 1000M G50 70 ACLU2 MB W8P 3558U 2G 1000M G50 70 ACLU2 MB W8S 3558U 2G 1000M G50 70 ACLU2 MB DIS 2957U 2G 100M G50 70 ACLU2 MB W8P
28. 50 70 Hardware Maintenance Manual Figure 11 Removal steps of system board continued Unplug the speaker connector in the direction shown by arrow Kl Remove the screws B ef d 4 4 eg p z y ri FTE 4 M ce AAAA N Step Screw quantity Color Torque M2 x 3 5 mm flat head nylok coated 3 Black 1 5 2 0 kgf cm MB D 54 Lenovo G50 70 G50 70m Z50 70 Figure 11 Removal steps of system board continued Remove the system board in the direction shown by arrow El 55 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1120 Heat sink assembly For access remove these FRUS in order e 1010 Battery pack on page 32 1020 Base cover on page 33 e 1030 Optical drive on page 35 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 e 1100 ODD board and USB amp audio board on page 49 1110 System board on page 53 Figure 12 Removal steps of heat sink assembly Remove the screws EN Step Screw quantity Color Torque M2 x 3 5 mm flat head nylok coated 4 Black 1 5 2 0 kgf cm thermal MB Lift the heat sink assembly in the direction shown by arrow BA 96 Lenovo G50 70 G50 70m Z50 70 1130 Speakers and DC in cable For access remove these FRUS in order e 1010 Battery pack on page 32 1020 B
29. DEJREWOT FSTD MA FALE U HRDALTR EU KIL RIT De RVD EAL HEBE TJ AULT ESV Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite la bateria y a continuacion desconecte cualquier cable de conexi n entre dispositivos 13 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Laser compliance statement compliance statement Some models of Lenovo computer are equipped from the factorv with an optical storage device such as a CD ROM drive or a DVD ROM drive Such devices are also sold separatelv as options If one of these drives is installed it is certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products Elsewhere the drive is certified to conform to the requirements of the International Electrotechnical Commission IEC 825 and CENELEC EN 60 825 for Class 1 laser products If a CD ROM drive a DVD ROM drive or another laser device is installed note the following N CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposic o radiac o NAAA E rh PS SAUTER Pour viter tout risque d exposition au rayon
30. G50 70m ACLUH MB 3558U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 3558U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 3558U 2G 1000M Z50 70 G50 70m ACLUH MB 2957U 2G 1000M Z50 70 G50 70m ACLUH MB W8P 2957U 2G 1000M Z50 70 G50 70m ACLUH MB W8S 2957U 2G 1000M Z50 70 G50 70m ACLUB MB DIS 17 4500 GT 2G Z50 70 ACLUB MB DIS 15 4200 GT 2G Z50 70 ACLUB MB DIS 13 4100 GT 2G Z50 70 ACLUB MB DIS 13 4010 GT 2G Z50 70 ACLUB MB DIS 13 4005 GT 2G Z50 70 ACLUB MB DIS 3558 GT 2G Z50 70 ACLUB MB DIS 2957 GT 2G Z50 70 ACLUB MB DIS 17 4500 GT 4G Z50 70 ACLUB MB DIS 15 4200 GT 4G Z50 70 ACLUB MB DIS 13 4100 GT 4G Z50 70 o ACLUB MB DIS 13 4010 GT 4G Z50 70 ACLUB MB DIS 13 4005 GT 4G Z50 70 ACLUB MB DIS 3558 GT 4G Z50 70 ACLUB MB DIS 2957 GT 4G Z50 70 ACLUB MB W8S DIS 17 4500 GT 2G Z50 70 ACLUB MB W8S DIS 15 4200 GT 2G Z50 70 ACLUB MB W8S DIS 13 4100 GT 2G Z50 70 ACLUB MB W8S DIS 13 4010 GT 2G Z50 70 ACLUB MB W8S DIS 13 4005 GT 2G Z50 70 ACLUB MB W8S DIS 3558 GT 2G Z50 70 ACLUB MB W8S DIS 2957 GT 2G Z50 70 ACLUB MB W8S DIS 17 4500 GT 4G Z50 70 FRU no 90006554 90006560 90006566 90006949 90006971 90006972 90006973 90006974 90006975 90006976 90006977 90006978 90006979 90006980 90006981 90006982 90006983 90006984 90006985 90006986 90006987 90006988 90006989 90006990 90006991 90007196 90007197 90007198 90007199 90007200 90007201 90007202 90007203 90007204 90007205 90007206 900
31. MB UMA I3 4100U 100M G50 70 ACLU2 MB W8P UMA 13 4100U 100M G50 70 ACLU2 MB W8S UMA 13 4100U 100M G50 70 ACLU2 MB UMA I3 4100U 1000M G50 70 ACLU2 MB W8P UMA 13 4100U 1000M G50 70 ACLU2 MB W8S UMA 13 4100U 1000M G50 70 ACLU2 MB UMA 13 4010U 100M G50 70 ACLU2 MB W8P UMA 13 4010U 100M G50 70 ACLU2 MB W8S UMA 13 4010U 100M G50 70 ACLU2 MB UMA I3 4010U 1000M G50 70 ACLU2 MB W8P UMA 13 4010U 1000M G50 70 ACLU2 MB W8S UMA I3 4010U 1000M G50 70 ACLU2 MB UMA I3 4005U 100M G50 70 ACLU2 MB W8P UMA 13 4005U 100M G50 70 ACLU2 MB W8S UMA I3 4005U 100M G50 70 ACLU2 MB UMA I3 4005U 1000M G50 70 ACLU2 MB W8P UMA 13 4005U 1000M G50 70 ACLU2 MB W8S UMA I3 4005U 1000M G50 70 ACLU2 MB UMA 3558U 100M G50 70 ACLU2 MB W8P UMA 3558U 100M G50 70 ACLU2 MB W8S UMA 3558U 100M G50 70 ACLU2 MB UMA 3558U 1000M G50 70 ACLU2 MB W8P UMA 3558U 1000M G50 70 ACLU2 MB W8S UMA 3558U 1000M G50 70 ACLU2 MB UMA 2957U 100M G50 70 ACLU2 MB W8P UMA 2957U 100M G50 70 ACLU2 MB W8S UMA 2957U 100M G50 70 ACLU2 MB UMA 2957U 1000M G50 70 ACLU2 MB W8P UMA 2957U 1000M G50 70 ACLU2 MB W8S UMA 2957U 1000M G50 70 ACLU2 MB UMA 2957U 1000M Z50 70 ACLU2 MB UMA 3558U 1000M 250 70 ACLU2 MB UMA 13 4005U 1000M Z50 70 ACLU2 MB UMA 13 4010U 1000M Z50 70 FRU no 90006505 90006569 90006570 90006571 90006566 90006567 90006568 90006563 90006564 90006565 90006560 90006561 90006562 90006557 90006558 90006559 90006554 90
32. SD common ground or reference point You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety information Safety notices multilingual translations The safety notices in this section are provided in English French German Hebrew Italian Japanese and Spanish Safety notice 1 Before the computer is powered on after FRU replacement make sure all screws springs and other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird muf sichergestellt werden daB keine Schrauben Federn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer muf gesch ttelt und auf
33. Torque M2 x 6 mm flat head nylok coated 3 Black 1 5 2 0 kgf cm KB D 43 y G50 70 G50 70m Z50 70 Hardware Maintenance Manual Figure 8 Removal steps of keyboard continued Insert the screwdriver into the bottom hole RH Then pull the keyboard out of the keyboard bezel El 44 Lenovo G50 70 G50 70m Z50 70 Figure 8 Removal steps of keyboard continued Lift the keyboard slightly BB Detach the connectors in the directions shown by arrows El and Bil Then remove the keyboard When installing Make sure that the FPC connector is attached firmly 45 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1090 Keyboard bezel For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 e 1030 Optical drive on page 35 e 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1060 DIMM on page 40 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 Figure 9 Removal steps of keyboard bezel Remove the screws Ell and PA Step Screw quantity Color Torque M2 5 x 6 mm flat head nylok coated 8 Black 2 5 3 0 kgf cm DC M2 x 6 mm flat head nylok coated 2 Black 1 5 2 0 kgf cm D C 46 Lenovo G50 70 G50 70m Z50 70 Figure 9 Removal steps of keyboard bezel continued Disconnect the touchpad cable connector and the power board connector in the directions shown by arro
34. all continued No FRU 12 12 12 12 12 12 13 13 13 13 13 13 14 14 14 14 15 15 16 16 17 17 17 17 17 17 RAM M471B1G73OH0 YK0 35nmQ 8GB DDR3L 1600 RAM Hyn HMT41GS6AFR8A PB DDR3L 1600 8GB RAM RMT3160ME68FAF 1600 8GB DDR3L 1600 RAM Mic MT16KTF1G64HZ 1G6E1 DDR3L 1600 8GB RAM M471B1G73DBO YK0 25nm 8GB DDR3L 1600 RAM SK HMT41GS6BFR8A PB RD 8GB DDR3L 1600 WirelessLan Non Intel Ltn NFA335 1x1BN BT4 0 PCIE M 2 WLAN WirelessLan Non Intel Cbt BCM43142 1x1BN BT4 0 PCIE M 2 WLAN WirelessLan Non Intel Cbt RTL8723BE 1x1BN BT4 0 PCIE M 2 WLAN WirelessLan Non Intel Ltn NFA345 1x1AC BT4 0 PCIE M 2 WLAN WirelessLan Non Intel Cbt BCM43162 1x1AC BT4 0 PCIE M 2 WLAN WirelessLan Intel Intel 3160 1x1AC BT PCIE NGFF WLAN ODD HLDS GUAON 9 0 Rambo ODD ODD PLDS DA 8A5SH Slim SATA Tray Rambo ODD QSI UJ8FBS 9 0 Rambo ODD ODD TSST SU 228FB 9 0 Rambo ODD ACLU2 Lower Case Black ACLUH Lower Case White H W Speaker L R Z50 70 G50 70m ACLU2 Thermal Door Black ACLUH Thermal Door White H Z50 70 G50 70m Battery G5XXS SY L12S4E01 14 4V41Wh 4cell bty Battery G5XXS SP L L12M4EO1 14 88V41Wh 4cell Div Battery G5XXS LG L12L4E01 14 8V41Wh 4cell bty Battery G5XXS SY L1254A02 14 4V32Wh 4cell bty Battery G5XXS SP L L12M4A02 14 4V32Wh 4cell bty Battery G5XXS LG L12L4A02 14 4V32Wh 4cell bty AC adapter see AC adapters on page 81 FRU no 11202080 11201301 11202450 11201304 11202082 11202707 20
35. and invisible laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Radia o por raio laser ao abrir Nao olhe fixo no feixe de luz n o olhe diretamente por meio de instrumentos ticos e evite exposi o direta com o feixe de luz FANSAROtCANN WATARA FORRES ANA HS BBE BOLDER ZF o Rayonnement laser si carter ouvert Evitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei ge ffnetem Gerat Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyit skor l zersug r Ne n zzen bele se szabad szemmel se optikai eszkozokkel Ker lje a sug rnyal bbal val rintkez st Aprendo l unit vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici e evitare l esposizione diretta al fascio OTKpbIBAsI 6epervrecb JIABEPHOFO usnyyeHua He cworpure Ha nys He paarnsnbiBalire ero C TIOMOLLIbIO ONTUYECKUX MHCTPVMEHTOB a Take W36era re npaMoro BO3nelcrBus JIABEPHOFO Jyua Ked je laserov jednotka otvoren Vyhnite sa priamemu poh adu a nehladte priamo s optick mi n strojmi do lu a a vyhnite sa priamemu vystaveniu lu ov DH UJ e Vo V EDEN ETS FERRE LO DOTE TEAR NE TAHHA Ri FLAT EL Radiaci n l ser al abrir No mire fijamente ni examine con instrumental ptic
36. ase cover on page 33 e 1030 Optical drive on page 35 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 1100 ODD board and USB amp audio board on page 49 1110 System board on page 53 Figure 13 Removal steps of speakers and DC in cable Remove the speakers in the direction shown by arrows EE 57 M G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 13 Removal steps of speakers and DC in cable continued Remove the DC in cable in the direction shown by arrow PA 58 Lenovo G50 70 G50 70m Z50 70 1140 LCD unit For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 e 1030 Optical drive on page 35 e 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 e 1100 ODD board and USB amp audio board on page 49 e 1110 System board on page 53 e 1130 Speakers and DC in cable on page 57 Figure 14 Removal steps of LCD unit Release the antenna cables from the cable guides and then remove the screws EE Step Screw quantity Color Torque M2 5 x 4 mm flat head nylok coated 4 Black 2 5 3 0 kgf cm
37. assword must be entered before an operating system can be booted Hard disk password There are two hard disk passwords HDPs User HDP for the user Master HDP for the system administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenov authorized service technicians provide any services to reset either the user or the master HDP or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee Administrator password Administrator password controls the access of the whole setup utility Only Administrator password was set then User password can be set If Administrator password was cleared the User password was cleared too Related service information Power management management Note Power management modes are not supported for APM operating system To reduce power consumption the computer has three power management modes screen blank sleep standby and hibernation Screen blank state If the time set on the Turn off monitor timer in the operating system expires the LCD backlight turns off You can also turn off the LCD backlight by EX U Fo e 3 To end screen blank state and resume normal operation press
38. d wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer Fan louvers on the machine help to prevent the overheating of internal components Do not obstruct fan louvers or cover them with labels or stickers Safety information Electrical safety safety Observe the following rules when working on electrical eguipments Important Use only approved tools and test eguipments Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges Do not use such kind of mat to protect yourself from electrical shock Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord guickly Do not work alone under hazardous conditions or near the eguipment that has hazardous voltages Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position If you need to work on a
39. die d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren IN mssnonn n9 5v5 135 nby mynn NIDO SANNA DN PIO WIN n mw YVI PN INV N99 11055205 ANN ONT IN m 25935 n5v 30172n PNI n5510n NN 41305 PN GN MIJA 100 Du nyn w n55Yon NN p5 v5 v 09199 xnn DIN nx PUNI 155393 7 wnnwn v 0 nmg nn B PINA mspna NIDA UMP V D DP DPIN mua NMANN TSN IN 2 4 MIDI 01999 5159 NINN La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzat
40. efer to the actual product Wireless LAN antennas Computer display Power button B Touchpad System status indicators Note For the description of each indicator see Status indicators on page 28 El Combo audio jack E Memory card slot USB port Optical drive Kensington lock slot 67 y G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Bottom and Left side view Speaker USB port HDMI port RJ 45 port VGA port B Fan louvers Novo button El AC power adapter jack 68 Lenovo G50 70 G50 70m Z50 70 Parts ist 1 0 1 1 l1 N This section presents the following service parts Overall on page 70 e LCD FRUS on page 76 e Keyboard on page 78 Miscellaneous parts on page 80 AC adapters on page 81 Screws on page 81 Power cords on page 82 Note Each FRU is available for all types or models unless specific types or models are specified 69 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Overall 70 Lenovo G50 70 G50 70m Z50 70 Table 4 Parts list Overall No FRU a d See Miscellaneous parts on page 80 O1 01 Om 01 01 O1 O1 O1 Om O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 O1 Om O1 O1 O1 O1 O1 BB Go ON gt LCD unit see LCD FRUS on page 76 Keyboard see Keyboard on page 78 ACLU2 Upper Case Black G50 70 ACLUH Upper Case Black M Z50 70 G50 70m ACLUH Upper Case Silver H Z
41. ertion of a diskette with multiple labels e Damaged or bent diskette eject button Fuses blown by attachment of a nonsupported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard Use of an incorrect AC adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification Ifthe spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped General checkout Power system checkout To verify a symptom follow the steps below Turn off the computer Remove the battery pack Connect the AC adapter Make sure that power is supplied when you turn on the computer Turn off the computer Disconnect the AC adapter and install the charged battery pack Make sure that the battery pack supplies power when you turn on the computer O A IA If you suspect a power problem see the appropriate one of the following power supply checkouts e Checking the AC adapter on page 21 e Checking operational charging on page 21 Checking the battery pack on page 22 Checking the AC adapter You are here because the computer fails only when the AC adapter is used If the power on indicator does not turn on check the power cord of the AC adapter for correct continuity and installation e f the com
42. ery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les modeles cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e risque de prendre feu ou d exploser Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren mop 5555 NI mon ANIA MIS MINIMA NINO 25355 yx DDT 9999 SW IN UNI ADIN PIVAT WINN NIN PYDI n5510n DN 95295 U AMN SNP IN 0995 W0 NIPNHA DPIN mynn IM 59 WINI t p5nn NU 42 ADN n55103
43. following important notes Important notes Only certified trained personnel can service the computer Before replacing any FRU read the entire page on removing and replacing FRUs Carefully remove screws for reuse when replacing FRUs Be extremelv careful during such write operations as copving saving or formatting Drives in the computer that you are servicing sequence might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing an FRU only when a problem recurs If you suspect that an FRU is defective clear the error logs and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU 19 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual What to do first to do first 20 When you do return an FRU you must include the following information in the parts exchange form or parts return form that you attach to it 1 Name and phone number of servicer Date of service
44. frame can cause serious or fatal electrical shock Explosive hazards such as a damaged CRT face or a bulging capacitor Mechanical hazards such as loose or missing hardware To determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a Athird wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and the frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Check for cracked or bulging batteries Remove the cover 6 Check for any obvious non Lenovo alterations Use good judgment as to the safety of any non Lenovo alterations 7 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liquids or signs of fire or smoke damage 8 Check for worn frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with e d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer
45. g a ground point with one hand or using an electrostatic discharge ESD strap P N 6405959 to remove potential shock reasons Notes The following procedures about removing and replacing FRUs are the same for the Lenovo G50 70 G50 70m Z50 70 The illustrations used in this section are of the Lenovo G50 70 unless otherwise stated 31 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual JZ 1010 Battery pack A DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode Figure 1 Removal steps of battery pack Unlock the manual latch E8 Slide the spring loaded latch to the unlocked position amp to eject the battery pack Lift up the inner edge of the battery pack pivoting it on the outer edge El Gently raise the battery pack in the indicated direction Bi to remove it Lenovo G50 70 G50 70m Z50 70 1020 Base cover For access remove this FRU e 1010 Battery pack on page 32 Figure 2 Removal steps of base cover Remove the screws MI Then remove the base cover Pl Step Screw quantity Color Torque M2 5 x 6 mm flat head nvlok coated 3 Black 2 5 3 0 kgf cm Big Door to D 33 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Note Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds When you replace the base cover you need to apply the following label T
46. gian Icelandic Slovenian Swiss International English Czechoslovakian Bulgarian Indian English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian English amp French Korean Traditional Chinese Russian French German Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Four Nordic countries Belgian Icelandic Slovenian Swiss International English Czechoslovakian Bulgarian Indian P N 25214769 25214770 25214771 25214772 25214773 25214774 25214775 25214776 25214777 25214778 25214779 25214780 25214781 25214782 25214783 25214784 25214785 25214786 25214787 25214788 25214789 25214790 25214791 25214792 25214793 25214794 25214795 25214796 25214797 25214798 25214799 25214800 25214801 25214802 25214803 25214804 25214805 25214806 25214807 25214808 25214809 25214810 25214811 25214812 25214813 25214814 CRU ID 79 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 80 Miscellaneous parts Table 7 Parts list Miscellaneous parts FRU System miscellaneous parts e a ACLU1 HDD Bracket L R e b ACLU1 ODD Bracket c ACLU1 ODD Bezel Tray in G50 70 c ACLUG ODD Bezel Black M Z50 70 G50 70m c ACLUG ODD Bezel White H Z50 70 G50 70m c ACLUA ODD Bezel BK Z50 70 Cable miscellaneous parts e d ACLU 1 DC IN Cable DIS d ACLU1 DC IN Cable UMA G50 70 Z50 70 Note Italicized letters in parentheses are
47. he following labels need to be peeled off from the old base cover and put on the new base cover Rating label Indonesia D side label Brazil BT label Brazil WL label Israel WL label SIRIM BT label SIRIM WL label WL label for US CA TW Indonesia BT label for US CA TW Indonesia KCC label BIS label Windows 8 OS label mk bau El 5 5 080 E E For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cover For the location of each label refer to the following figure 34 Lenovo G50 70 G50 70m Z50 70 1030 Optical drive For access remove this FRU e 1010 Battery pack on page 32 e 1020 Base cover on page 33 Figure 3 Removal steps of optical drive Remove the screw Kl Pull the optical drive out in the direction shown by arrow RH Step Screw quantity Color Torque M2 x 6 mm flat head nylok coated 1 Black 1 5 2 0 kgf cm ODD BRK D Remove the screw Kl then remove the optical drive bracket in the direction shown by arrow Eg oe n 49 S e a d EN Step Screw quantity Color Torque M2 x 2 5 mm flat head nylok coated 1 Black 1 5 2 0 kgf cm ODD BKT ODD Carefully remove the optical drive bezel in the direction shown by arrow El e
48. hes 20 the blinking color will change to white The battery has less than 5 charge Lenovo G50 70 G50 70m Z50 70 ESS SZSZC LL L You can access certain system settings quickly by pressing the appropriate hotkeys co cT D Co I 4 EJ Mutes unmutes the sound kV Si qe a Decreases the volume level SN Y EN Increases the volume level S S Closes the currently active window SN Ri Geh a Refreshes the desktop or the currently active window S D E Enables disables the touchpad S Z i gl Enables disables Airplane mode S J alt Displays all currently active apps S S EA zl Turns on off the backlight of the LCD screen S S om Toggles the display between the computer and an external K SE device EM Decreases display brightness S J Increases display brightness 29 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual FRU replacement notices replacement notices This section presents notices related to removing and replacing parts Read this section carefully before replacing any FRU Screw notices Loose screws can cause a reliability problem In the Lenovo computer this problem is addressed with special nylon coated screws that have the following characteristics They maintain tight connections They do not easily come loose even with shock or vibration They are harder to tighten Each one should be
49. lations Use only the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les modeles cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren Donn Du n30p ms 5555 NIDA TANI Town n5510n MINN nx 2595 yx 09999777 SYN DIVI V YDYN 35 YN 07722 IN UNI INN mann D Du VINI ADDON ADIN INIA 19903 p Wnnwn v n nmpnn tuom NINA YA DONNA OPINA NMWJA AWaINA 212 DION NI 022102 WIV JON TINN ITN DY MININA IN 035 01537 La batteria contiene piccole quantit di nichel Non smontarla gettarla nel fuoco o nell acqua n cortocircuitarla Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Q
50. lenovo Lenovo G50 70 G50 70m 250 70 Hardware Maintenance Manual Notes Before using this information and the product it supports be sure to read the general information under Notices on page 85 This manual applies to the following models Lenovo G50 70 G50 70m Z50 70 The illustrations used in this manual are for Lenovo G50 70 unless otherwise stated First Edition Dec 2013 O Copyright Lenovo 2013 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 O 2013 Lenovo 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Contents 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 About this manual iv Safety information 1 General safety nnnonnnnnnnnnssene nn nneneeesnnneeene 2 Electrical safety 3 Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge 6 Grounding requirements 6 Safety notices multilingual translati
51. mentazione siano a basso voltaggio una batteria in corto circuito o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione E ZAyTV ORBIERAKS TH Vahl EH LZ VT VBR ROO PEADEE YD EROTICO ORE AES ESBORD OES Aunque las baterias principales tienen un voltaje bajo una bateria cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal Safety information Safety notice 8 N DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Avant de retirer une unit remplacable en client le mettez le svst me hors tension d branchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr mu abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird AUtian NN maa v 11099 FRU pro 9309 NMA HINA JPUNIJMHUNA 2322 55 NN PMII DAN DIN 9949 95035 TN n55105 TANI DN OND v ON Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti 1 cavi di alimentazione rimuovere la batteria e poi scollegare 1 cavi di interconnessione FRU EB APRIL ThinkPad
52. moval steps of PCI Express Mini Card for wireless LAN Disconnect the two wireless LAN cables black grey Ml and then remove the screw RH In step Ml unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows Notes The wireless LAN card has 2 cables in step EE The wireless LAN card in some models might have 3 cables in step EE Step Screw quantity Color Torque M2 x 3 5 mm flat head nvlok coated 1 Black 1 5 2 0 kgf cm WLAN card MB 38 Lenovo G50 70 G50 70m Z50 70 Figure 5 Removal steps of PCI Express Mini Card for wireless LAN continued Remove the card in the direction shown by arrow El When installing In models with a wireless LAN card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled MAIN and the grey cable 2nd AUX into the jack labeled AUX on the card In models with a wireless LAN card that has three antenna connectors plug the black cable 1st MAIN into the jack labeled 1 the grey cable 3rd into the jack labeled 3 and the white cable 2nd AUX into the jack labeled 2 on the card 39 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1060 DIMM For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 Figure 6 Removal steps of DIMM Release the two la
53. move suddenly or twist when you attempt to lift it 4 Lift it by standing or pushing up with your leg muscles this action could avoid the strain from the muscles in your back Do not attempt to lift any object that weighs more than 16 kg 35 Ib or that you think is too heavy for you Do not perform any action that causes hazards to the customer or that makes the machine unsafe Before you start the machine make sure that other service representatives and the customer are not in a hazardous position Please remove covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with the nonconductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that may be hazardous to your eyes After service reinstall all safety shields guards labels and groun
54. n by removing any FRUs that have to be removed before the failing FRU Any of such FRUs are listed at the top of the page Remove them in the order in which they are listed 4 Follow the correct sequence in the steps to remove the FRU as given in the figures by the numbers in square callouts 5 When turning a screw to replace an FRU turn it in the direction as given by the arrow in the figure 6 When removing the FRU move it in the direction as given by the arrow in the figure 7 To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 67 8 When replacing an FRU use the correct screw as shown in the procedures A DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any of the interconnecting cables Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Attention The system board is sensitive to and can be damaged by electrostatic discharge Before touching it establish personal grounding by touchin
55. o smontarla riscaldarla ad una temperatura superiore ai 100 gradi centigradi incendiarla o gettarla in acqua Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa FT Ro TUE AK HE HANOVRE TE LA HVET NYIT YS RYT V ORB E EE degt SEO AL Ay TJ ABOG 100 C 212 F L E DIIS SEA EMO PERICO EHLAUTS ES VN SYT YERERE DAA BARRO FRANCES CS TS VN UR AD VARTHORY TV EN SRA UI ESV Roc Y EHATAL SKYFI BEKLE RELc972 8323b9 i7 La bater a de repuesto es una bater a de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local Safety information Safety notice 5 Ifthe LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water at least for 15 minutes Seek medical care 1f any symptoms caused by the fluid are present after washing Si le panneau d affichage cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apres le lavage Die
56. o el haz de luz Evite la exposici n directa al haz 15 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 06000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 This chapter presents the following important service information Strategy for replacing FRUs on page 16 Strategy for replacing a hard disk drive on page 17 Important notice for replacing a system board on page 17 Important information about replacing RoHS compliant FRUs on page 18 Important BIOS and device driver fixes are customer installable The BIOS and device drivers are posted on the customer support site http support lenovo com Strategy for replacing FRUs for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS follow the steps below
57. of LCD front bezel LCD panel and hinges continued Remove the screws PA Step Screw quantity Color Torque M2 x 3 5 mm flat head nylok coated 4 Black _ 1 5 2 0 kgf cm LCD Module Cover Lift the LCD panel slightly El Peel off the adhesive tape and detach the connector in the direction shown by arrow BI Then remove the LCD panel When installing Make sure that the metal connector is attached firmly 62 Lenovo G50 70 G50 70m Z50 70 Figure 15 Removal steps of LCD front bezel LCD panel and hinges continued Remove the screws FI Then release the hinges in the direction shown by arrows Bi H g a f d Step Screw quantity Color Torque M2 5 x 3 5 mm flat head nylok coated 4 White 2 5 3 0 kgf cm Hinge L amp R Cover 63 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual 1160 Camera For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 e 1030 Optical drive on page 35 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 1100 ODD board and USB amp audio board on page 49 1110 System board on page 53 1130 Speakers and DC in cable on page 57 e 1140 LCD unit on page 59 Figure 16 Removal steps of camera Detach the integ
58. ons 7 Laser compliance statement 14 Important service information 16 Strategy for replacing FRUS 16 Strategy for replacing a hard disk drive 17 Important notice for replacing a system board 17 Important information about replacing RoHS compliant FRUS ss 18 General checkout 19 What to do first siria 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related service information 23 Restoring the factory contents by using OneKey Recovery 23 Restore of factory default 23 PAS SW O Sas 24 Power on bass MO 24 Hard disk password 24 Administrator password 24 Power management 20 Screen blank state 000nnaaaannnneeanennneenennennne 25 Putting the computer to sleep or shutting it down 25 Putting your computer to sleep 25 Shutting down the compulter 25 Lenovo G50 70 G50 70m Z50 70 26 Specifications men tec 26 Status indicators 28 xil T 29 FRU replacement notices
59. ot offer the products services or features discussed in this document in all countries Consult your local Lenovo representative for information on the products and services currently available in your area Any reference to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents LENOVO GROUP LTD PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or
60. puter does not charge during operation go to Checking operational charging To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure Note Output voltage for the AC adapter pin No 2 may differ from the one you are servicing 3 If the voltage is not correct replace the AC adapter 4 Ifthe voltage is acceptable do the following Replace the system board e lf the problem persists go to Lenovo G50 70 G50 70m Z50 70 on page 26 Note Noise from the AC adapter does not always indicate a defect Checking operational charging To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer 21 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 22 Perform operational charging If the battery status indicator or icon does not light on remove the batterv pack and let it return to room temperature Reinstall the batterv pack If the charge indicator or icon is still off replace the batterv pack If the charge indicator still does not light on replace the svstem board Then reinstall the battery pack If it is still not charged go to the next section Checking the battery pack Battery charging does not start until the Power Meter shows that less
61. r in the directions shown by arrows and BB Remove the screw FA Step Screw quantity Color Torque M2 x 3 5 mm flat head nylok coated 1 Black 1 5 2 0 kgf cm USB board D 51 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 10 Removal steps of ODD board and USB amp audio board continued Remove the USB amp audio board El 52 Lenovo G50 70 G50 70m Z50 70 1110 System board Important notices for handling the system board When handling the system board bear the following in mind Be careful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind During the whole process make sure not to drop or stack the system board If you put a system board down make sure to put it only on a padded surface such as an ESD mat or conductive corrugated material For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 1030 Optical drive on page 35 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 1090 Keyboard bezel on page 46 e 1100 ODD board and USB amp audio board on page 49 Figure 11 Removal steps of system board Disconnect the two connectors in the directions shown by arrows Ell and A 93 d G50 70 G50 70m Z
62. rated camera connector in the direction shown by arrow EE 64 Lenovo G50 70 G50 70m Z50 70 Figure 16 Removal steps of camera continued Remove the camera in the direction shown by arrow BA Note The integrated camera is stuck on the top center of the LCD cover When installing Stick the integrated camera to the top center of the LCD cover and adjust its placement to make sure the connector is attached firmly 65 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 1170 LCD cable and antenna assembly For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 e 1030 Optical drive on page 35 e 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 e 1100 ODD board and USB amp audio board on page 49 1110 System board on page 53 e 1130 Speakers and DC in cable on page 57 1140 LCD unit on page 59 e 1150 LCD front bezel LCD panel and hinges on page 61 Figure 17 Removal steps of LCD cable and antenna assembly Remove the LCD cable and antenna assembly in the direction shown by arrows EM 66 Lenovo G50 70 G50 70m Z50 70 ES Front view and right side view Integrated camera Built in microphone Note Select models may have two microphones please r
63. rd disk to be lost Make sure that the customer has a current backup of the data before performing this action Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten Important notice for replacing a system board Some components mounted on a system board are very sensitive Improper handling can cause damage to those components and may cause a system malfunction Attention When handling a system board Do not drop the system board or apply any excessive force to it Avoid rough handling of any kind Avoid bending the system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset 17 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs 18 RoHS The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive 2002 95 EC is a European Union legal requirement affecting the global electronics industry RoHS requirements must be implemented on Lenovo products placed on the market after June 2006 Products on the market before June 2006 are not required to have RoHS compliant parts If the original FRU parts are non compliant replacement parts can also be non compliant In all cases if the original FRU parts are RoHS complian
64. rmation guidelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under Safety information on page 1 and Important service information on page 16 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo G50 70 G50 70m Z50 70 computer General safety on page 2 Electrical safety on page 3 e Safety inspection guide on page 5 e Handling devices that are sensitive to electrostatic discharge on page 6 e Grounding requirements on page 6 e Safety notices multilingual translations on page 7 Laser compliance statement on page 14 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual General safety safety Follow these rules below to ensure general safety Observe a good housekeeping in the area where the machines are put during and after the maintenance When lifting any heavy object 1 Make sure that you can stand safely without slipping 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never
65. s power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units e f an electrical accident occurs Caution do not become a victim yourself Switch off the power Send the victim to get medical aid Safety information Safety inspection guide inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions As each machine was designed and built reguired safety items were installed to protect users and service personnel from injury This guide addresses only those items You should use good judgment to identify potential safety hazards according to the attachment of non Lenovo features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present Electrical hazards especially primary power primary voltage on the
66. t the replacement part must also be RoHS compliant Note RoHS and non RoHS FRU part numbers with the same fit and function are identified with unique FRU part numbers Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant parts must always be replaced with RoHS compliant ones so only the FRUs identified as compliant in the system HMM or direct substitutions for those FRUs may be used Products marketed before June 2006 Products marketed after June 2006 Current or Replacement FRU Current or Replacement FRU original part original part Non RoHS Can be Non RoHS Non RoHS Can be RoHS Must be RoHS Must be RoHS Non RoHS Can sub to RoHS RoHS Must be RoHS Note A direct substitution is a part with a different FRU part number that is automatically shipped by the distribution center at the time of the order General checkout General checkout This chapter presents the following information e What to do first on page 20 e Power system checkout on page 21 Before you go to the checkout make sure to read the
67. tches on both edges of the socket at the same time in the directions shown by arrows EE and then unplug the DIMM in the direction shown by arrow BA When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into place Make sure that it is firmly fixed in the slot and is difficult to move 40 Lenovo G50 70 G50 70m Z50 70 1070 Fan assembly For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 Figure 7 Removal steps of fan assembly Unplug the fan connector in the direction shown by arrow lili Then remove the screws PA Note Be careful not to damage the connector Step Screw quantity Color Torque M2 x 6 mm flat head nylok coated 3 Black 1 5 2 0 kgf cm Fan MB When installing Make sure that the connector is attached firmly 41 G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 7 Removal steps of fan assembly continued Remove the fan El 42 Lenovo G50 70 G50 70m Z50 70 1080 Keyboard For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1060 DIMM on page 40 e 1070 Fan assembly on page 41 Figure 8 Removal steps of keyboard Remove the screws EN Step Screw quantity Color
68. than 9596 of the total power remains under this condition the battery pack can charge to 1009 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check your battery move your cursor to the Power Meter icon in the icon tray of the Windows taskbar and wait for a moment but do not click it and the percentage of battery power remaining is displayed To get detailed information about the battery double click the Power Meter icon Note If the battery pack becomes hot it may not be able to be charged Remove it from the computer and leave it at room temperature for a while After it cools down reinstall and recharge it Related service information 06000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 This chapter presents the following information Restoring the factory contents by using OneKey Recovery on page 23 Passwords on page 24 e Power management on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The Leno
69. the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk 85 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measuremen
70. ts will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Trademarks 86 The following terms are trademarks or registered trademarks of Lenovo in the United States other countries or both Lenovo OneKey Microsoft and Windows are trademarks of Microsoft Corporation in the United States other countries or both Other company products or service names may be trademarks or service marks of others
71. uando si sostituisce la batteria utilizzare soltanto 1 tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa AvyTU ua A ECH Rn y LE LCE RYT Y ua tA LIU K EKMKOPIEENVIAANJD La hietti biec Jc vw RIT VD y 7 ORR Cle 3 Tih MA BIB OIRDI S Te ARA HES T ES NYT UV gt NYT BRATS D EUX MIRA Y VA cb NT UT SEA LT SES Roky 7 UAEM Ll Av7 Y BEKLE R EL TCU d S EDU ET Las bater as contienen pequefias cantidades de n quel No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma d G50 70 G50 70m Z50 70 Hardware Maintenance Manual 10 Safety notice 4 N DANGER The lithium battery can cause a fire an explosion or a severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery La pile de sauvegarde contient du lithium Elle pr sente des risques d incen
72. vo G50 70 G50 70m Z50 70 computers come with pre installed OneKey Recovery System In order to save application files and the initial backed up files of the system the hard disk in a Lenovo computer includes a hidden partition when it is shipped If you need to restore the system to the point of your first boot up just enter Lenovo OneKey Recovery System and run System Recovery For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system Note This will delete all the new data on the system partition C drive which is not recoverable Make sure to back up your critical data before you perform this action When you use the recovery discs to boot your computer the system will enter the user interface for system recovery automatically Please follow the prompt to insert the backup discs to complete the whole recovery process Note The recovery process might take up to 2 hours 23 d G50 70 G50 70m Z50 70 Hardware Maintenance Manual Passwords 24 As many as three passwords may be needed for any Lenovo computer the power on password POP the hard disk password HDP and the administrator password If any of these passwords has been set a prompt for it appears on the screen whenever the computer is turned on The computer does not start until the password is entered Power on password A power on password POP protects the system from being powered on by an unauthorized person The p
73. ws Kl and E4 Remove the keyboard bezel in the direction shown by arrow El 47 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 9 Removal steps of keyboard bezel continued Remove the screw amp Step Screw quantity Color Torque n M2 x 3 5 mm flat head nylok coated 1 Black 1 5 2 0 kgf cm Power BD C Carefully remove the power board in the direction shown by arrow KA 48 Lenovo G50 70 G50 70m Z50 70 1100 ODD board and USB amp audio board For access remove these FRUS in order e 1010 Battery pack on page 32 e 1020 Base cover on page 33 e 1030 Optical drive on page 35 1040 Hard disk drive on page 36 e 1050 PCI Express Mini Card for wireless LAN on page 38 e 1070 Fan assembly on page 41 e 1080 Keyboard on page 43 e 1090 Keyboard bezel on page 46 Figure 10 Removal steps of ODD board and USB amp audio board Detach the ODD board connector in the directions shown by arrows W and PA Remove the screw Kl Step Screw quantity Color Torque M2 x 3 5 mm flat head nylok coated 1 Black 1 5 2 0 kgf cm ODD board D 49 d G50 70 G50 70m Z 50 70 Hardware Maintenance Manual Figure 10 Removal steps of ODD board and USB amp audio board continued Remove the ODD board B 50 Lenovo G50 70 G50 70m Z50 70 Figure 10 Removal steps of ODD board and USB amp audio board continued Detach the USB amp audio board connecto

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