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IBM Laptop MT 2632 User's Manual

1. Keyboard Language P N Arabic 02K5476 Belgian 02K5470 Canadian French 02K5456 Chinese traditional 02K5459 Czech 02K5480 Danish 02K5467 Dutch 02K5464 European Spanish 02K5469 European French 02K5463 German 02K5462 Greek 02K5473 Hungarian 02K5479 Hebrew 02K5474 Italian 02K5468 Japanese 02K5458 Korean 02K5460 Latin American Spanish 02K5457 Norwegian 02K5466 Polish 02K5481 Portuguese 02K5472 Russian 02K5477 Slovakian 02K5478 Slovenian 02K5482 Swedish or Finnish 02K5465 Swiss 02K5471 Turkish 02K5475 U K English 02K5461 U S English 02K5455 Japanese i series 02K5576 ThinkPad A21e 95 Miscellaneous parts Parts list FRU P N M2 x 3 6 mm flat head 3 M2x 5 1 mm flat head 5 M2 x 5 7 mm flat head 5 M2 x 16 mm bind head 3 M2 5 x 4 8 mm flat head 42 M2 5 x 5 5 mm flat head 2 M2 5 x 15 mm flat head 15 M2 6 x 2 8 mm bind head 7 M3 x 2 8 mm small head 5 Coin screw 1 Security screw 1 Screw caps 14 Screw kit including nylon coated screws 04P3973 Base miscellaneous parts Lens IR Lens Ultrabay 2000 LES Lock battery Spring battery lock Lid docking FR Lid docking RR Spring lid docking Rubber foot Sponge Sponge shield lower Sponge small Blank cap battery Screw caps Cu tape 08K5647 System
2. Step Screw quantity Torque A Special nylon coated 2 a M2 5 x 4 8 mm nylon coated 2 39 2 Nem 4 kgfcm 78 ThinkPad A21e Removing and replacing a FRU 2020 Front bezel Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 LCD assembly 2010 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 2 39 2 Nem 4 kgfcm ThinkPad A21e 79 Removing and replacing a FRU Note Only the front bezel for the 15 0 in XGA TFT LG has a identifying mark O as in the followin EE For reference FRU list see Fis Din XGA L O a TL 80 ThinkPad A21e Removing and replacing a FRU 2030 Inverter card Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Keyboard bezel 1130 LCD assembly 2010 Front bezel 2020 12 1 in panel Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 1 39 2 Nem 4 kgfcm continued ThinkPad A21e 81 Removing and replacing a FRU 14 1 in and 15 0 in panels ES S 2 28 gia Glo Float SES o D 9 T E Q i 2 gt Cc S ZE S So civ x sl olg n gt S 5x 82 T
3. 10 ThinkPad A21e Safety notices Safety notice 8 Before removing any FRU power 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 systeme 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 muB abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite la bater a y a continuaci n desconecte cualquier cable de conexi n entre dispositivos Introduction 11 Safety information Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer General safety Follow these rules to ensure general safety Observe good housekeeping in the area of the machines during and after maintenance When lifting any heavy object 1 Ensure you can stand safely without slipping
4. Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 3 39 2 Nem 4 kgfcm ThinkPad A21e 71 Removing and replacing a FRU When installing When installing the fan assembly apply the thermal grease 05K5751 on the E part of the fan as shown in the following figure 72 ThinkPad A21e Removing and replacing a FRU 1150 Diskette drive Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Speaker cable 1110 Note Remove the diskette drive spacer gently it will be reused when installing the new diskette drive Step Screw quantity Torque A M2 5 x 4 8 mm nylon coated 1 39 2 Nem 4 kgfcm M2 5 x 15 mm nylon coated 2 39 2 Nem 4 kgfcm When installing Do not press the Ef part of the diskette drive to avoid the damage ThinkPad A21e 73 Removing and replacing a FRU 1160 Upper shield Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Speaker cable 1110 Sub c
5. 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift 4 Lift by standing or by pushing up with your leg muscles this action removes the strain from the muscles in your back Do not attempt to lift any objects that weigh more than 16 kg 35 Ib or objects that you think are too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed 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 a 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 a nonconductive clip approximately 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 ot
6. 3 Select 1 Add S N data from EEPROM Follow the instructions on the screen Note The serial number of the system unit is written on the label attached on the bottom of the computer Retaining the UUID The Universally Unique Identifier UUID is a 128 bit number uniquely assigned to your computer at production and stored in the EEPROM of your system board The algorithm that generates the number is designed to provide unique IDs until the year A D 3400 No two computers in the world have the same number When you replace the system board you must set the UUID on the new system board as follows 1 Install the ThinkPad hardware maintenance diskette version 1 61 and restart the computer 2 From the main menu select 4 Assign UUID A new UUID is created and written If a valid UUID already exists it is not overwritten ThinkPad A21e 49 Removing and replacing a FRU Removing and replacing a FRU This section presents information and drawings for use in removing and replacing a FRU Be sure to observe the following general rules 1 Do not try to service the computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review FERU replacement 3 Begin by removing any FRUs that have to be removed before the failing FRU Any such FRUs are listed at the top of the page Remove them in the order in which they are listed 4 Follow the correct
7. 1130 PC Card slot assembly 1140 Fan assembly 1150 Diskette drive 1160 Upper shield 1170 System board 2010 LCD assembly 2020 Front bezel 2030 Inverter card 12 1 in panel 14 1 in and 15 0 in panels 2040 LCD panel E 12 1 in panel 14 1 in and 15 0 in panels Locations So go 4 Front view Rear view Bottom view Parts list LCD FRU 12 1 in SVGA TFT 14 1 in XGA TFT 15 0 in XGA TFT 15 0 in XGA TFT LG Keyboard Miscellaneous part Optional FRUs Common parts list Tools ret Power cords system Notices Trademarks 34 ThinkPad A21e 93 93 94 95 96 98 99 99 100 100 Product overview Product overview This section presents the following product unique information Specifications The following table lists the specifications of the ThinkPad A21e series Feature Description Processor Intel Celeron processor 600 MHz L2 128 KB cache Bus architecture PCI Bus Memory standard 64 MB SO DIMM x 1 Memory optional 64 MB or 128 MB DIMM card maximum of 256 MB CMOS RAM 114 bytes Display 12 1 inch 16M colors SVGA 800x600 resolution TFT color LCD 14 1 inch 16M colors XGA 1024x768 resolution TFT color LCD 15 0 inch 16M colors XGA 1024x768 resolution TFT color LCD Diskette drive 1 44 MB 3 mode 3 5 inch Hard disk drive 10 0 GB 2 5 inch IDE inte
8. 22 Spacer diskette drive 04P3225 23 Speaker cable 27L0601 24 Keyboard see 25 Pointing stick cap 84G6536 Telephone cable 05K2707 Video cable 27L0531 AC adapter 72W 3 pin ASTEC 02K6666 AC adapter 72W 3 pin DELTA 02K6670 AC adapter 72W 2 pin ASTEC 02K6669 AC adapter 72W 2 pin SANKEN 02K6677 AC adapter 72W 2 pin DELTA 02K6673 for optional AC adapter see L Optiana 92 ThinkPad A21e Parts list LCD FRU 12 1 in SVGA TFT FRU P N LCD cover assembly 08K5655 for Korea 08K5659 LCD cable 2710485 LCD panel SANYO 05K9577 Hinges 08K5664 Inverter card 08K3325 14 1 in XGA TFT FRU P N LCD cover assembly for MT2628 Ixx 08K5656 for MT2632 i series 04P3724 LCD cable for MT2628 Ixx 27L0486 for MT2632 i series 27L0610 LCD panel DBU 05K9578 LCD panel SAMSUNG 05K9588 Hinges 08K5665 Inverter card 12P3051 15 0 in XGA TFT FRU P N LCD cover assembly 08K5657 for Korea 08K6443 LCD cable 2710487 LCD panel SAMSUNG 05K9580 Hinges 04P3488 Inverter card 08K3326 continued ThinkPad A21e 93 Parts list 15 0 in XGA TFT LG FRU P N LCD cover assembly 04P3048 for Korea 04P3049 LCD cable 27L0578 LCD panel LG 05K9647 Hinges 04P3488 Inverter card 08K3326 Misc kit see EM 04P3050 94 ThinkPad A21e Parts list
9. la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les mod les 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 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 Quando si sostituisce la batteria utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa Las bater as contienen peque as 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 6 T
10. 2 System board 02F7 1 DIMM Fail safe timer NMI failure 2 System board 1801 Shut down the computer and Attached docking station is not supported remove it from the docking station ThinkPad A21e 43 Error messages Symptom to FRU index Symptom or error FRU or action in sequence Device address conflict 1 Load Setup Defaults in IBM BIOS Setup Utility Backup battery System board on Allocation error for device Load Setup Defaults in IBM BIOS Setup Utility data System board UO device IRQ conflict Operating system not found 2 Backup battery 3 System board Failing bits nnnn 1 DIMM 2 System board Invalid system configuration 1 DIMM 2 1 Load Setup Defaults in IBM BIOS Setup Utility 2 Backup battery 3 System board Check that the operating system has no failure and is installed correctly 2 Enter IBM BIOS Setup Utility and see whether the hard disk drive and the diskette drive are properly identified Reseat the hard disk drive Reinstall the operating system Diskette drive Hard disk drive System board Fra Hibernation error PIN Og Restore the system configuration to what it was before the computer entered hibernation mode 2 If memory size has been changed re create the hibernation file Fan error Fan Unsupported memory configuration Maximum memory size is 256
11. PC Doctor cannot be used to test a device that is in the docking station even if the computer supports the docking station To test a USB device connect it to the USB connector of the computer To test the Ultrabay 2000 device install it in the Ultrabay 2000 slot of the computer To run the test do as follows Note In the following procedure you can select an item not only with the arrow keys but also with the TrackPoint Instead of pressing Enter click the left button 1 Insert the PC Doctor disk into the diskette drive then power on the computer If the computer cannot be powered on go to EPowel Eyslemcheckaut am paga od and check the power sources General descriptions 27 Checkout guide If an error code appears go to ESymptom to FRUI ndex on page 4 On the first screen select the model and press Enter Follow the instructions on the screen The main panel of PC Doctor appears Select Diagnostics with the arrow keys and press Enter A pull down menu appears Its exact form depends on the model The options on the test menu are as follows Diagnostics Interactive Tests Run Normal Test Keyboard Run Quick Test Video CPU Coprocessor Internal Speaker Systemboard Mouse Video Adapter Joystick Test Serial Ports Diskette Parallel Ports System Load Fixed Disks CD ROM DVD Test Diskette Drives Stereo Speaker Other Devices Communication Memory
12. Retaining serial numbers Removing and replacing a FRU 1010 Battery pack 1020 DIMM 1030 Mini PCI adapter 1040 Backup battery 1050 Hard disk drive 1060 Ultrabay 2000 device 1070 Keyboard 1080 Keyboard CRU insulator e 1090 Hinge cover 1100 Keyboard bezel and speaker 1110 Speaker cable 1120 Sub card 1130 PC Card slot assembly 1140 Fan assembly 1150 Diskette drive 1160 Upper shield 1170 System board 2010 LCD assembly 2020 Front bezel 2030 Inverter card 2040 LCD panel Locations Front view Rear view Bottom view Parts list LCD FRU Keyboard ES Miscellaneous parts Optional FRUs Common parts list Notices iv Trademarks ThinkPad A21e Introduction Important service information m Important Diskette fixes are customer installable The diskette fixes are posted on the IBM support site http www pc ibm com support Advise customers to contact the PC Company HelpCenter at 800 772 2227 if they need assistance in obtaining or installing any diskette fixes Customers in Canada should call IBM HelpPC at 800 565 3344 for assistance or download information Strategy for replacing FRUs j X Before replacing parts Make sure that all diskette fixes are installed before replacing any FRUS listed in this manual Use the following strategy to prevent unnecessary FRU replacement and service expense f you are instructed to replace a FRU but
13. 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 f an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions As each machine was designed and built required 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 due to attachment of non IBM 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 frame can cause serious or fatal electrical shock Explosive
14. 0250 System battery error System battery is dead Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0251 System CMOS checksum bad Default configuration used Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0252 Password checksum bad The password is cleared Reset the password by running IBM BIOS Setup Utility 0260 System timer error 1 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 2 System board 0270 Real time clock error 1 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 2 System board 0271 Date and time error Neither the date nor the time is set in the computer Run IBM BIOS Setup Utility to reset the time and date continued 42 ThinkPad A21e Symptom to FRU index Symptom or error FRU or action in sequence 0280 Previous boot incomplete Default configuration used 1 Load Setup Defaults in IBM BIOS Setup Utility DIMM System board on 02B2 Incorrect drive A type Diskette drive External FDD cable 1 0 card ore 02F4 EISA CMOS not writable E Load Setup Defaults in IBM BIOS Setup Utility 2 Replace the backup battery 3 System board 02F5 1 DIMM DIMM test failure 2 System board 02F6 1 DIMM Software NMI failure
15. MB Shut down the computer and remove the extra memory 44 ThinkPad A21e Beep symptoms Symptom to FRU index Symptom or error FRU or action in sequence One beep and a blank unreadable or flashing LCD 1 Reseat the LCD connector 2 LCD assembly 3 External CRT 4 System board One long and two short beeps and a blank or unreadable LCD 1 System board 2 LCD assembly 3 DIMM Two short beeps with error codes System board Two short beeps with blank 1 screen 2 DIMM Three short beeps pause 1 DIMM three more short beeps and one short beep 2 System board Only cursor appears Reinstall operating system No beep symptoms Symptom or error FRU or action in sequence No beep power on indicator on LCD blank and no POST 1 Make sure that every connector is connected tightly and correctly DIMM System board on No beep power on indicator on and LCD blank during POST ak Reseat DIMM System board N No beep during POST but system runs correctly Speaker The power on password prompt A power on password or a supervisor password is set Type the password and press Enter The hard disk password prompt A hard disk password is set Type the password and press Enter The DOS full screen looks smaller Start the ThinkPad Configuration program and set the Screen e
16. Meter icon Note If the battery pack becomes hot it may not be able to charge Remove it from the computer and leave it at room temperature for a while After it cools down reinstall and recharge it To check the battery pack do the following 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 5 See the following figure e Terminal Voltage V dc 0 to 12 6 5 Ground di 3 for Lithium ion battery e If the voltage is less than 11 0 V dc the battery pack has been discharged Note Recharging will take at least 3 hours even if the indicator does not turn on If the voltage is still less than 11 0 V dc after recharging replace the battery for Nickel metal hydride battery If the voltage is less than 8 0 V dc the battery pack has been discharged Note Recharging will take at least 3 hours even if the indicator does not turn on If the voltage is still less than 8 0 V dc after recharging replace the battery 4 for Lithium ion battery If the voltage is more than 11 0 V dc measure the resistance between battery terminals 4 and 5 The resistance must be 4 to 30 K ohm General descriptions 31 Checkout guide for Nickel metal hydride battery If the voltage is more than 8 0 V dc measure the resistance between battery terminals 4 and 5 The resistance must be 4 to 30 K ohm If the resistance
17. Mini PCI modem card or Mini PCI network card Step El depends on the card type Disconnect either A B or both When installing the card do the following With the notched end of the card toward the socket insert the card into the socket then press it firmly Pivot the card until it snaps into place Make sure that the card is firmly fixed in the slot and does not move easily Make sure that the connector A is placed under the card when reinstalling the Mini PCI adapter 54 ThinkPad A21e Removing and replacing a FRU 1040 Backup battery CAUTION There is a danger of an explosion if the backup battery is incorrectly replaced The lithium battery IBM P N 02K6572 UL recognized component file no MH12210 contains lithium and can explode if it is not properly handled or disposed of Replace only with a battery of the same type To avoid possible injury or death do not 1 throw or immerse the battery into water 2 allow it to heat to more than 100 C 212 F or 3 attempt to repair or disassemble it Dispose of it as required by local ordinances or regulations Battery pack 1010 DIMM 1020 Mini PCI adapter 1030 ThinkPad A21e 55 Removing and replacing a FRU 1050 Hard disk drive j AX Attention Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can cause damage and permanent loss o
18. Test Full Memory Test Quick Notes In the Keyboard test in Interactive Tests the Fn key is scanned only once Each key should be held down for at least 2 seconds otherwise it cannot be sensed Video Adapter test supports only the LCD display on ThinkPad Before running PC Doctor DOS detach the external Monitor Interactive Tests Hardware Info Utility Quit Fl Help Run Quick Test CPU Coprocessor Systemboard Video Adapter Serial Ports Paralles Ports Fixed Disks Diskette Drives Other Devices Communication Memory Test Full Memory Test Quick PC DOCTOR 2 0 Copyright 2000 PC Doctor Inc All Rights Reserved Use the cursor keys and ESC to move in menus Press ENTER to select Run the applicable function test Follow the instructions on the screen If there is a problem PC Doctor shows messages describing it To exit the test select Quit Exit Diag 28 ThinkPad A21e Checkout guide To cancel the test press Esc Note After executing PC Doctor check the system time date and reset them if needed Detecting system information with PC Doctor PC Doctor can detect the following system information Hardware Info System Configuration Memory Contents Physical Disk Drives Logical Disk Drives VGA Information IDE Drive Info PCI Information PNPISA Info SMBIOS Info VESALCD Info Utility Run External Tests Surface Scan Hard Disk Benc
19. To return to normal operation press the Fn key Fn F5 Reserved Fn F6 Reserved Fn F7 Switch between the LCD and an external monitor Fn F8 Turn screen expansion on or off There is no symbol on the key Fn F9 Reserved Fn F10 Reserved Fn F11 Reserved Fn F12 Turn hibernation mode on Fn PgUp Turn the ThinkLight on or off Fn Home The LCD becomes brighter Fn End The LCD becomes less bright Fn Insert Audio volume becomes bigger Fn Delete Audio volume becomes smaller Fn Backspace Mute 40 ThinkPad A21e Symptom to FRU index Symptom to FRU index The symptom to FRU index in this section lists symptoms and errors and their possible causes The most likely cause is listed first in boldface type Note Do the FRU replacement or other actions in the sequence shown in the column headed FRU or action in sequence If replacing a FRU does not solve the problem put the original part back in the computer Do not replace a nondefective FRU This index can also help you determine during regular servicing what FRUs are likely to need to be replaced next A numeric error is displayed for each error detected in POST or system operation In the displays n can be any number If no numeric code is displayed check the narrative descriptions of symptoms If the symptom is not described there go to Note For an IBM device not supported by diagnostic codes in t
20. be needed for any ThinkPad computer the power on password POP the hard disk password HDP and the supervisor password SVP Exception If only SVP is installed the password prompt doesn t appear when the operating system is booted When any of these passwords is used a password prompt 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 Without knowing the password nobody can start the system 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 even if the user has changed the user HDP Note There are two modes for the HDP User only and Master User You can enter two HDPs when you select Master User j Attention If the master HDP has been forgotten there is no way to delete it But you can still get access to the hard disk if you remember the user HDP If both user HDP and master HDP have been forgotten the password cannot be removed and the hard disk will not be accessible Supervisor password A supervisor password SVP protects the system information stored in the IBM BIOS Setup Utility so that 22 ThinkPad A21e Related service information without knowing the password nobody can chang
21. displayed begin the diagnosis with the first error code Whatever causes the first error code may also cause false error codes If no error code is displayed see if the error symptom is listed in the Symptom to FRU Index for the computer you are servicing Diskette compatibility matrix The compatibility of each of the drives with the diskettes for it is as follows Diskette Diskette Compatibility drive capacity 3 5 inch 1 0 MB Read and write 2 0 MB Read and write 4 0 MB Not compatible 2 ThinkPad A21e Safety notices Safety notices multilingual translations In this manual safety notices appear in English with a page number reference to the appropriate translation in this section The safety notices are provided in English French German Italian and Spanish as follows j 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 ta
22. miscellaneous parts Door PC card slots Door PC card 1 slot Spring PC card slots Lens LED hinge Blank cap TV connector Eject knob Ultrabay 2000 Lock lever Ultrabay 2000 Spring Ultrabay 2000 Insulator hard disk drive Insulator keyboard CRU Mini PCI guide Screw caps 04P3966 Miscellaneous parts for system board O bracket right left Guide keyboard connector Hex stud b Card modem connector Flat head screw M2 5 x 4 8 Screw caps 08K5648 continued 96 ThinkPad A21e Parts list FRU P N Miscellaneous parts for diskette drive Bezel Bracket Flexible cable Screw caps 04P3967 Miscellaneous parts for LCD Latch right left Spring Spacer for 15 0 in Blank cap UltraPort Screw caps 04P3968 Miscellaneous kit for LCD 15 0 in LG Latch RH 15 0 LG Latch LH 15 0 LG Spring 15 0 LG Spacer for 15 0 in Screw caps 04P3050 ThinkPad A21e 97 Optional FRUs Parts list 64 MB SDRAM SO DIMM 20L0264 128 MB SDRAM SO DIMM 20L0265 AC adapter 72W 3 pin ASTEC 02K6666 AC adapter 72W 3 pin DELTA 02K6670 AC adapter 72W 2 pin ASTEC 02K6669 AC adapter 72W 2 pin SANKEN 02K6677 AC adapter 72W 2 pin DELTA 02K6673 Ultrabay 2000 CD ROM drive LG 08K9579 Ul
23. 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 Laser compliance statement Some IBM Personal Computer models are equipped from the factory with a CD ROM drive or DVD drive CD ROM drives or DVD drives are also sold separately as options The CD ROM drive or DVD drive is a laser product The CD ROM drive or DVD drive 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 16 ThinkPad A21e Laser compliance statement When a CD ROM drive or DVD drive 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 PURdEXE HUBBIBUCERIEEBIHITE RS ATA M2 FSU BR Pour viter tout risque d exposition
24. or written to the hard disk drive the diskette drive or the drive in the Ultrabay 2000 When this indicator is on do not put the computer into standby mode or turn off the computer DH Num lock Green The numeric keypad on the keyboard is enabled To enable or disable the keypad press and hold the Fn key while pressing the NumLk key El Caps lock Green Caps Lock mode is enabled To enable or disable Caps Lock mode press Fn Caps Lock key DH Scroll lock Green Scroll Lock mode is enabled Arrow keys can be used as screen scroll function keys but not to move the cursor To enable or disable Scroll Lock mode press Fn ScrLk key Not all application programs support this function Power on Green This indicator stays lighted whenever the computer is on If the power on indicator is on and the standby indicator is off the system is ready to use If both the power on indicator and the standby indicator are on you can use the computer after it returns from the standby mode and the standby indicator goes off ThinkPad A21e 37 FRU Tests Product overview The following table shows the test for each FRU FRU Applicable test System board 1 Diagnostics gt CPU Coprocessor 2 Diagnostics gt Systemboard Power Diagnostics gt Other Devices gt IBM AC Adapter IBM Battery 1 IBM Battery 2 LCD unit 1 Diagnostics gt Video Ad
25. sequence in the steps for removing the FRU as indicated in the drawings by the numbers in square callouts 5 When turning a screw to replace a FRU turn it in the direction indicated by the arrow in the drawing 6 When removing the FRU move it in the direction indicated by the arrow in the drawing 7 To put the new FRU in place reverse the removal procedure and follow any notes that pertain to replacement For information about connecting and arranging internal cables see 8 When replacing a FRU use the correct screw as shown in the procedures CAUTION Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables CAUTION Do not disassemble the battery pack throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Attention Before the computer is powered on after FRU replacement make sure all screws springs and other small parts are in place and are not 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 Establish personal grounding by touching a ground point with one hand before touching these units You must use an electrosta
26. 2 Enter the SVP The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu 4 Select Hard disk x password where x is the letter of the hard disk drive A pop up window opens Select either User HDP or Master HDP 6 Enter the master HDP then leave the New Password field blank and press Enter twice Press F10 8 Select Yes in the Setup Configuration window The both user HDP and master HDP have been removed a N Power management To reduce power consumption the computer has three power management modes screen blank standby in Windows 95 and Windows NT standby suspend in Windows 95 and Windows NT and hibernation j Note for standby mode and hibernation mode Do not install or remove the UltraBay during standby mode or hibernation mode The UltraBay of ThinkPad A21e supports only cold swap If you try to do warm swap the UltraBay LED starts to blink with beep sound Screen blank mode In screen blank mode the following occurs The LCD backlight turns off The hard disk drive motor stops The speaker is muted To enter screen blank mode press Fn F3 To end screen blank mode and resume normal operation press any key Standby mode When the computer enters standby mode the following events occur in addition to what occurs in screen blank mode The LCD is powered off The hard disk drive is powered off The CPU stops To ent
27. IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual December 2000 This manual supports ThinkPad A21e MT 2628 2632 j Note Before using this information and the product it supports be sure to read the general information under ENotices on page 100 Second Edition December 2000 The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer or express or implied warranties in certain transactions therefore this statement may not apply to you This publication 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 IBM may make improvements or changes to the products or the programs described in this publication at any time It is possible that this publication may contain references to or information about IBM products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that IBM intends to announce such IBM products pro
28. PC Card or the installation of an incompatible card Damage caused by foreign material in the diskette drive Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of a diskette with multiple labels 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 The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification If the spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped 20 ThinkPad A21e Related service information Related service information This section provides information about the following Service Web site When the latest maintenance diskette and the system program service diskette are available a notice will be posted on http www pc ibm com partner infotips Using Recovery CD To create Service Partition and install the preloaded system from Recovery CD do the following To create Service Partition SP 1 Erase all partitions on the hard disk drive using FDISK or similar application 2 Boot with Recovery CD and boot diskette if required 3 A menu will appear stating Your computer originally included a Product Recovery program Reinstall the Prod
29. ThinkPad TrackPoint UltraBay Asset ID PC Doctor DOS is a trademark of PC Doctor Inc in the United States and other countries Microsoft Windows Windows NT and the Windows logo are trademarks of Microsoft Corporation in the United States and or other countries Pentium and Celeron are trademarks of Intel Corporation in the Unites States and or other countries For a complete list of Intel trademarks see http www intel com trademarx htm Other company product or service names may be the trademarks or service marks of others 100 ThinkPad A21e Notices ThinkPad A21e 101 Part Number 06P8883 Printed in U S A 1P P N 06P8883
30. apter Interactive Tests gt Video Modem Audio 2 1 Make sure the modem is set up correctly 2 Replace the modem jack and the modem card in turn and run the following test in Diagnostics gt Communication a Lucent Modem M2 Loopback Lucent Modem M2 Dialtone DTM Intel Modem Register Intel Modem Loopback DTMF Intel SP Modem Register Intel SP Modem Loopback DTMF 3Com MiniPCI Modem Test 3Com MIiniPCI Dialtone Test 1 Interactive Tests gt Internal Speaker 2 Interactive Tests gt Stereo Speaker 3 Diagnostics gt Other Devices gt Crystal SoundFusion Test Jero o Speaker 1 Interactive Tests gt Internal Speaker 2 Interactive Tests gt Stereo Speaker PC Card slots Note The upper slot does not function and this test is available only for the bottom slot Diagnostics gt Systemboard gt PCMCIA PCMCIA External Loop Keyboard 1 Diagnostics gt Systemboard gt Keyboard 2 Interactive Tests gt Keyboard TrackPoint or pointing device If the TrackPoint does not work check the configuration in the ThinkPad Configuration program If the TrackPoint is disabled select Enable to enable it After you use the TrackPoint the pointer may drift on the screen for a short time This drift can occur when a slight steady pressure is applied to the TrackPoint pointer This symptom is not a hardware problem If the pointer stops after a short time no servic
31. ard 1120 PC Card slot assembly 1130 Fan assembly 1140 Diskette drive 1150 Step Screw quantity Torque H M2 5 x 15 mm nylon coated 2 39 2 Nem 4 kgfcm A M2 5 x 4 8 mm nylon coated 2 39 2 Nem 4 kgfcm 74 ThinkPad A21e Removing and replacing a FRU 1170 System board Battery pack 1010 DIMM 1020 Mini PCI adapter 1030 Backup battery 1040 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Speaker cable 1110 Sub card 1120 PC Card slot assembly 1130 Fan assembly 1140 Diskette drive 1150 Upper shield 1160 Step Screw quantity Torque M2 5 x 15 mm nylon coated 3 39 2 Nem 4 kgfcm continued ThinkPad A21e 75 Removing and replacing a FRU Step Screw quantity Torque El M2 5 x 4 8 mm nylon coated 2 39 2 Nem 4 kgfcm 76 ThinkPad A21e Removing and replacing a FRU 2010 LCD assembly Battery pack 1010 e Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 4 39 2 Nem 4 kgfcm continued ThinkPad A21e 77 Removing and replacing a FRU
32. au rayon 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 gefahrliche 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 Ucnonb3oBaHiue anemeHTOB HACTPO KN N BbINOJIHEHNE MPOLeAayp VHbIX HeM yKa3aHo 3HeCb MOX T MPUBECTH K ONACHOMY paanaunoHHoMy o6nyyeunio Pou itie kontr l 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 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 or DVD drive could result in exposure to hazardous laser radiation There are no serviceable parts inside the CD ROM drive or DVD drive Do not open Introduction 17 Laser compliance statement Some CD ROM drives or DVD drives contain an embedded Class 3A or Class 3B laser diode Note the following N DANGER Emits visible and invisible laser radiation when open Do not stare into the beam do not view directly with optical i
33. e action is necessary If enabling the TrackPoint does not correct the problem continue with the following Interactive Tests gt Mouse Hard disk drive Diagnostics gt Fixed Disks continued 38 ThinkPad A21e Product overview FRU Applicable test Diskette drive 1 Diagnostics gt Diskette Drives 2 Interactive Tests gt Diskette CD ROM or 1 Diagnostics gt Other Devices gt DVD drive CD ROM DVD 2 Interactive Tests gt CD ROM DVD Test Memory 1 If two DIMMs are installed remove one of them and run Diagnostics gt Memory Test Quick 2 If the problem does not recur return the DIMM to its place remove the other one and run the test again 3 If the test does not detect the error run Diagnostics gt Memory Test Full Fan 1 Turn on the computer and check the air turbulence at the louver near the power switch 2 Run Diagnostics gt Other Devices gt IBM Fan ThinkPad A21e 39 Product overview Fn key combinations The following table shows the function of each combination of Fn with a function key The Fn key works independently from the operating system Key combination Description Fn F1 Reserved Fn F2 Reserved Fn F3 Turn off the LCD display leaving the screen blank To turn the LCD display on again press any key or the TrackPoint Stick Fn F4 Turn standby mode on
34. e la carte d alimentation Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore Para evitar descargas no quite la cubierta de plastico que rodea la parte baja de la tarjeta invertida j Safety notice 7 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 a 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 Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuito o a massa puo fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione Aunque las bater as principales tienen un voltaje bajo una bater a cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal
35. e new keyboard following the directions in the figure Make sure that the keyboard edges shown in the figure as A B and C are under the frame 2 Push the Y key to connect the keyboard to the connector on the underside of the key then push the frame of the keyboard H to latch the latches 3 After the fastening of three screws of bottom side push the Y key again to connect the keyboard firmly to the connector on the underside of the key 62 ThinkPad A21e Removing and replacing a FRU 1080 Keyboard CRU insulator Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 ThinkPad A21e 63 Removing and replacing a FRU 1090 Hinge cover Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Step Screw quantity Torque H M2 5 x 15 mm nylon coated 1 39 2 Nem 4 kgfcm 64 ThinkPad A21e Removing and replacing a FRU 1100 Keyboard bezel and speaker Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 7 39 2 Nem 4 kgfcm continued ThinkPad A21e 65 Removing and replacing a FRU Step Screw quantity Torque A M2 5 x 15 mm nylon coated 2 39 2 Nem 4 k
36. e the configuration of the computer j X Attention If the SVP has been forgotten there is no way to reset it How to remove the power on password To remove a POP that you have forgotten do the following A If SVP is not installed 1 Turn off the computer 2 Remove the battery pack For how to remove the battery pack see 1010 Battery 3 Remove the backup battery For how to remove the backup battery see E1o4d 4 Turn on the computer and wait until the POST ends After the POST ends the password prompt does not appear The POP has been removed 5 Reinstall the backup battery and the battery pack B If SVP is installed 1 Turn on the computer by pressing and holding F1 2 Enter the SVP The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu 4 Select Power On Password Enter the SVP at the Enter Current Password field 6 When the Enter New Password field opens leave it blank and press Enter twice 7 Press Enter in the Changes have been saved window 8 Press F10 then select Yes in the Setup confirmation window e How to remove the hard disk password j X Attention If User only mode is selected and the user HDP is forgotten there is no way to reset it General descriptions 23 Related service information To remove the user HDP that you have forgotten do the following 1 Power on the computer by pressing and holding F1
37. er standby mode do any of the following Press Fn F4 Close the LCD cover To prevent the computer from entering standby mode when the LCD is closed click 24 ThinkPad A21e Related service information Will not suspend even if LCD is closed in the Power Management Properties window Then only the LCD turns off In certain circumstances the computer goes into standby mode automatically f a suspend time has been set on the timer and the user does not do any operation with the keyboard the TrackPoint the hard disk the parallel connector or the diskette drive within the time set If the battery indicator blinks orange indicating that the battery power is low Alternatively if Hibernate when battery becomes low has been selected in the Power Management Properties window the computer goes into hibernation mode Note Even if you don t set the low battery alarm the charge indicator lets you know that the battery is low and then the computer enters the power saving mode automatically This default low battery behavior is independent of the operating system so if you have set the low battery alarm the computer may not do what you specified It chooses either your setting or the default setting whichever is appropriate Any one of the following events causes the computer to resume operation from standby mode The Fn key is pressed The LCD cover is opened The ring indicator RI is s
38. es that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRU replacement should be considered only when a problem recurs When analyzing an intermittent problem do the following 1 Run the diagnostic test for the system board in loop mode at least 10 times 2 f no error is detected do not replace any FRUs 46 ThinkPad A21e Symptom to FRU index 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined problems You are here because the diagnostic tests did not identify which adapter or device failed wrong devices are installed a short circuit is suspected or the system is inoperative Follow these procedures to isolate the failing FRU do not isolate FRUs that have no defects Verify that all attached devices are supported by the computer Verify that the power supply being used at the time of the failure is operating correctly See 1 Power off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the port replicator c Printer mouse and other external devices d Battery pack e Hard disk drive f External diskette drive g DIMM h CD ROM and diskette drive in the UltraslimBay i PC Cards 4 Power on the computer Determine whether the problem has c
39. f data Before removing the drive have the user make a backup copy of all the information on the drive if possible Never remove the drive while the system is operating or is in suspend mode Battery pack 1010 Note The hard disk is attached to the cover Step Screw quantity Coin screw 1 or security screw 1 Note Use a 2 5 mm Allen wrench to remove the security screw 56 ThinkPad A21e Removing and replacing a FRU When installing Make sure that the HDD connector is firmly connected ThinkPad A21e 57 Removing and replacing a FRU 1060 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000 The procedure for installing and removing is the same for every device Note When you release the switch in step the lever pops out Pull the lever a little in step EJ to release the device from the bay 58 ThinkPad A21e Removing and replacing a FRU continued 59 ThinkPad A21e Removing and replacing a FRU 1070 Keyboard Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Step Screw quantity Torque H M2 5 x 15 mm nylon coated 3 39 2 Nem 4 kgfcm continued 60 ThinkPad A21e Removing and replacing a FRU continued ThinkPad A21e 61 Removing and replacing a FRU When installing When installing the keyboard do as follows 1 Install th
40. gfcm Cable routing When replacing the cable see the preceding figure for its cable routing 66 ThinkPad A21e Removing and replacing a FRU 1110 Speaker cable Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 When installing Make sure that you fasten the connector firmly ThinkPad A21e 67 Removing and replacing a FRU 1120 Sub card Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Step Screw quantity Torque H Special nylon coated 2 continued 68 ThinkPad A21e Removing and replacing a FRU Torque 39 2 Necm 4 kgfcm Screw quantity M2 5 x 4 8 mm nylon coated 1 Step 69 ThinkPad A21e Removing and replacing a FRU 1130 PC Card slot assembly Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 Sub card 1120 Step Screw quantity Torque H M2 0 x 9 5 mm nylon coated 2 24 5 Ncm 2 5 kgfcm 70 ThinkPad A21e Removing and replacing a FRU 1140 Fan assembly
41. gramming or services in your country Requests for technical information about IBM products should be made to your IBM authorized dealer or your IBM marketing representative Copyright International Business Machines Corporation 2000 All rights reserved Note to U S Government Users Documentation related to restricted rights Use duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp Copyright IBM Corp 2000 Contents Introduction Important service information Strategy for replacing FRUs How to use error messages Diskette compatibility matrix Safety notices multilingual translations Safety information General safety Electrical safety Safety inspection guide Handling electrostatic discharge sensitive devices Grounding requirements Laser compliance statement General descriptions Read this first What to do first Related service information Service Web site Using Recovery CD Passwords Power management Checkout guide Testing the computer Detecting system information with PC Doctor Power system checkout ThinkPad A21e Product overview Specifications Status indicators FRU Tests Fn key combinations Symptom to FRU index Numeric error codes Error messages Beep symptoms No beep symptoms LCD related symptoms Intermittent problems Undetermined problems FRU replacement notices Screw notices
42. hanged 6 If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time do not replace a nondefective FRU a System board b LCD assembly ge FRU replacement notices This section contains notices related to removing and replacing parts Read this section carefully before replacing any FRU Screw notices Loose screws can cause a reliability problem The an IBM ThinkPad computer address this problem 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 ThinkPad A21e 47 FRU replacement notices They are harder to tighten They should be used only once Do the following when you service this machine Keep the screw kit for reference the P N see in your tool bag pm use new screws Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more Cross section Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more Cross section Torque driver If you have a torque driver refe
43. hazards such as a damaged CRT face or a bulging capacitor Mechanical hazards such as loose or missing hardware 14 ThinkPad A21e Safety information To determine whether there are any potentially 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 Power off the computer Disconnect the power cord 3 Check the power cord for a A third 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 frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM alterations 6 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 7 Check for worn frayed or pinched cables 8 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling electrostatic discharge sensitive devices Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occ
44. he ThinkPad notebook computers see the manual for that device Numeric error codes Symptom or error FRU or action in sequence 0175 System board Bad CRC1 stop POST task The EEPROM checksum is not correct 0187 System board EAIA data access error The access to EEPROM has failed 0188 System board Invalid RFID serialization information area or bad CRC2 The EEPROM checksum is not correct 0189 System board Invalid RFID configuration information area The EEPROM checksum is not correct continued ThinkPad A21e 41 Symptom to FRU index Symptom or error FRU or action in sequence Hard disk error The hard disk is not working 0190 1 Charge the battery pack Critical low battery error 2 Battery pack 0200 1 Reseat the hard disk drive 2 Load Setup Defaults in IBM BIOS Setup Utility 3 Hard disk drive 4 System board 021x Stuck key Keyboard error Run interactive tests of the keyboard and the auxiliary input device 0220 Monitor type error Monitor type does not match the one specified in CMOS Load Setup Defaults in IBM BIOS Setup Utility 0230 Shadow RAM error The shadow RAM failure at offset nnnn System board 0231 System RAM failure at offset nnnn 1 DIMM 2 System board 0232 Extended RAM error Extended RAM failure at offset nnnn 1 DIMM 2 System board
45. he voltage is acceptable do the following Replace the system board fthe problem persists go to bage 33 5 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 Perform operational charging If the battery status indicator or icon does not turn on remove the battery pack and let it return to room temperature Reinstall the battery pack If the charge indicator or icon still does not turn on replace the battery pack If the charge indicator still does not turn on replace the system board Then reinstall the battery pack If it is still not charged go to the next section 30 ThinkPad A21e Checkout guide Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check the status of 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 and the percentage of battery power remaining is displayed To get detailed information about the battery double click the Power
46. her conditions that might be hazardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer 12 ThinkPad A21e Safety information Electrical safety Observe the following rules when working on electrical equipment j Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type 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 quickly Do not work alone under hazardous conditions or near equipment 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 f you need t
47. hinkPad A21e Removing and replacing a FRU 2040 LCD panel Battery pack 1010 Hard disk drive 1050 Ultrabay 2000 device 1060 Keyboard 1070 Keyboard CRU insulator 1080 Hinge cover 1090 Keyboard bezel and speaker 1100 LCD assembly 2010 Front bezel 2020 Inverter card 2030 12 1 in panel Step MT Screw quantity Torque 2628 Cxx M2 5 x 7 0 mm 39 2 Nem nylon coated 4 4 kgfcm continued ThinkPad A21e 83 Removing and replacing a FRU continued 84 ThinkPad A21e Removing and replacing a FRU 14 1 in and 15 0 in panels Step MT Screw quantity Torque 2628 Jxx M2 0 x 5 7 mm 24 5 Nem nylon coated 4 2 5 kgfcm continued ThinkPad A21e 85 Removing and replacing a FRU Note For 14 1 in LCD the LCD cable is taped onto the connector Tear off the tape before disconnecting the LCD cable in step E 86 ThinkPad A21e Locations Locations Front view System status indicators H Battery and standby mode status indicators Built in stereo speakers a PC Card eject button H PC Card slot G Bay latch Eject button DH Ultrabay 2000 device EISE Note The Ultrabay 2000 accepts storage devices such as a DVD drive CD ROM drive CD RW ZIP250 2nd HDD or 2nd battery TrackPoint pointing stick TrackPoint buttons ThinkPad button Volume and mute buttons Power switch and are Ez butt
48. hinkPad A21e Safety notices 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 incendie 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 Er
49. hmark System DOS Shell Tech Support Form Battery Rundown View Test Log Print Log Save Log Full Erase Hard Drive Quick Erase Hard Drive Power system checkout To verify a symptom do the following 1 Power off the computer 2 Remove the battery pack 3 Connect the ac adapter 4 Check that power is supplied when you power on the computer Power off the computer Disconnect the ac adapter and install the charged battery pack 7 Check that the battery pack supplies power when you power on the computer Oa If you suspect a power problem see the appropriate one of the following power supply checkouts General descriptions 29 Checkout guide Checking the ac adapter You are here because the computer fails only when the ac adapter is used f the power problem occurs only when the port replicator is used replace the port replicator f the power on indicator does not turn on check the power cord of the ac adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging To check the ac adapter do the following 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 Pin Voltage V dc 1 415 5 to 417 0 2 Ground 16 10V 3 If the voltage is not correct replace the ac adapter 4 Ift
50. ignaled by a serial device or a PC Card device The power switch is turned on The resume timer is set In Windows which has the Scheduled Tasks the Scheduled Tasks setting has priority over the setting in IBM BIOS Setup Utility Note The computer does not accept any input immediately after it enters suspend mode Wait a few seconds before taking any action to reenter operation mode Hibernation mode j Note for Windows NT If you are using Windows NT in the default format NTFS you cannot create a hibernation file If you want to use hibernation mode you will need to reinstall Windows NT with FAT format In hibernation mode the following occurs General descriptions 25 Related service information The system status RAM VRAM and setup data are stored on the hard disk The system is powered off j Notes The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is used Any one of the following events causes the computer to enter hibernation mode when the hibernation file is created The Fn F12 keys are pressed The power switch is turned off and the mode is set to Power switch mode Hibernation The timer conditions are satisfied in suspend mode for operating systems other than Windows 98 Acritically low battery condition occurs When the power is turned on the computer leaves hibernation mode and resumes operation The hiber
51. ini PCI modem card Ambit 08K3252 Mini PCI Ethernet card Intel 08K3348 for Se Mini PCI adapter see FOptional FRUS onl 10 Blank cap RJ45 04P3975 11 Base cover 04P3712 for T China 04P3716 for Korea 04P3720 for MT2632 i series 04P3723 12 Ultrabay 2000 CD ROM drive LG 08K9579 Ultrabay 2000 CD ROM drive drive TEAC 27L3436 for optional Ultrabay 2000 device see FOptional FRUs onl continued ThinkPad A21e 91 Parts list No FRU P N b Card modem connector see bage 94 13 Cover Mini PCI adapter slot 08K5673 14 Battery pack 6 cell SANYO 02K6618 Battery pack 6 cell Panasonic 02K6614 Battery pack 7 cell NiMH Panasonic 02K6720 Battery pack 9 cell SANYO 02K6619 Battery pack 9 cell Panasonic 02K6615 for optional battery pack see L Optiona g 15 Cover DIMM slot 08K5674 16 Hard disk drive 10 0 GB SSD 08K9508 Hard disk drive 10 0 GB Hitachi 08K9531 Hard disk drive 20 0 GB SSD 2713427 Hard disk drive 20 0 GB Hitachi 08K9533 p hard disk drive see 17 Cover hard disk drive for MT2628 Jxx 08K5676 for MT2628 Cxx and MT2632 i series 08K5675 18 System board 08K3262 19 64 MB SDRAM SO DIMM 20L0264 128 MB SDRAM SO DIMM 20L0265 for optional DIMM see L Optiana 20 Upper shield 08K7158 21 Diskette drive TEAC 05K9157 Diskette drive SONY 08K9552
52. is not correct replace the battery pack If the resistance is correct replace the system board Checking the backup battery Do the following 1 2 3 Red Wire Voltage V dc Red 412 5 to 43 2 Black Ground Black Power off the computer and unplug the ac adapter from it Turn the computer upside down Remove the battery pack see Remove the backup battery see EChecking the battery Measure the voltage of the backup battery See the following figure If the voltage is correct replace the system board If the voltage is not correct replace the backup battery If the backup battery discharges quickly after replacement replace the system board 32 ThinkPad A21e ThinkPad A21e Product overview Specifications Status indicators FRU Tests Fn key combinations Symptom to FRU index Numeric error codes Error messages Beep symptoms No beep symptoms LCD related symptoms Intermittent problems Undetermined problems FRU replacement notices Screw notices Retaining serial numbers 2 Restoring the serial number of the system unit Retaining the UUID Removing and replacing a FRU 1010 Battery pack 1020 DIMM 1030 Mini PCI adapter 1040 Backup battery 1050 Hard disk drive 1060 Ultrabay 2000 device 1070 Keyboard e 1080 Keyboard CRU insulator 1090 Hinge cover 1100 Keyboard bezel and speaker 1110 Speaker cable 1120 Sub card i
53. l 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 Gehause vergessen wurden Der Computer mu gesch ttelt und auf Klappergerausche gepr ft werden Metallteile oder splitter k nnen Kurzschl sse erzeugen Prima di accendere l elaboratore dopo che 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 Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y dem s piezas pequefias 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 Introduction 3 Safety notices Safety notice 2 N DANGER Some standby batteries contain a small amount of nickel and cadmium Do not disassemble a standby battery 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
54. model that has the PC Doctor DOS diagnostics program Some descriptions might not apply to your particular computer Read this first Before you go to the checkout guide be sure to read this section j X Important notes Only certified trained personnel should service the computer Read the entire FRU removal and replacement page before replacing any FRU Use new nylon coated screws when you replace FRUs Be extremely careful during such write operations as copying 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 FRUs only for the correct model When you replace a FRU make sure the model of the machine and the FRU part number are correct by referring to the FRU parts list A FRU should not be replaced 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 a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to do first When you do return a FRU you must include the following information in the parts exchange form or pa
55. n power cords Region P N Australia New Zealand 76H3514 Taiwan Thailand 76H3516 Italy 76H3530 Denmark 76H3520 UK Hong Kong 76H3524 European countries 76H3518 India South Africa 76H3522 Israel 76H3532 Korea 76H3535 People s Republic of China other than Hong 02K0539 Kong Switzerland 76H3528 ThinkPad A21e 99 Notices Notices References in this publication to IBM products programs or services do not imply that IBM intends to make these available in all countries in which IBM operates Any reference to an IBM product program or service is not intended to state or imply that only that IBM product program or service may be used Any functionally equivalent product program or service that does not infringe any of the intellectual property rights of IBM may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications covering subject matter in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to the IBM Director of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both IBM
56. nation file in the boot record on the hard disk drive is read and System status is restored from the hard disk drive 26 ThinkPad A21e Checkout guide Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer Note The diagnostic tests are intended to test only IBM products The use of non IBM products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Try to re create the failure by running the diagnostic test or by repeating the operation Testing the computer The ThinkPad computer has a test program called PC Doctor DOS hereafter called PC Doctor You can detect errors by running the diagnostics test included in PC Doctor This section is an overview of the procedure For details that depend on model unique functions refer to N on page For some possible configurations of the computer PC Doctor might not run correctly To avoid this problem you need to initialize the computer setup by use of the IBM BIOS Setup Utility before you run PC Doctor On the IBM BIOS Setup Utility screen press F9 Enter F10 and then Enter Note When you initialize the computer configuration Some devices are disabled such as the serial port If you test one of these devices you will need to enable it by using PS2 EXE
57. nstruments and avoid direct exposure to the beam Radiac o por raio laser ao abrir Nao olhe fixo no feixe de luz nao olhe diretamente por meio de instrumentos ticos e evite exposic o direta com o feixe de luz JEBBE ACH OUR SENE BOT BORRAS PLE HARA BR EROS P 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 Ger t Nicht direkt oder Ober optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitaskor l zersug r Ne n zzen bele se szabad szemmel se optikai eszk z kkel 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 Pesposizione diretta al fascio OrkpbiBaa Geperurecb NagepHoro usnyyeHua He cMorpure Ha nyy He pa3rnapblea te ero C MOMOLUBIO OMTUYECKUX MHCTPYMEHTOB Take uzbera te npamoro Bo3nelcrBus nasepHoro nyya Ked je laserov jednotka otvoren Vyhnite sa priamemu poh adu a nehladte priamo s optick mi n strojmi do l ta a vyhnite sa priamemu vystaveniu l cov Radiaci n l ser al abrir No mire fijamente ni examine con instrumental ptico el haz de luz Evite la exposici n directa al haz 18 ThinkPad A21e General descriptions This chapter includes descriptions for any ThinkPad
58. ntit 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 i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa 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 Introduction 5 Safety notices Safety notice 3 N DANGER The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations 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
59. o work on a 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 equipment 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 these instructions are in the Introduction 13 Safety information safety sections of maintenance information Use extreme care when measuring 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 that it has been powered off Always look carefully for possible hazards in your work area Examples of these hazards are moist floors nongrounded power extension cables power surges
60. ons for MT2632 ThinkPad A21e 87 Locations Rear view Security keyhole A Parallel connector Modem connector a Network connector H Serial connector D External monitor connector Universal serial bus USB connector BH External input device connector H Power jack 88 ThinkPad A21e Locations D O zt O 3 o DES EIS DEEEGSE Battery pack Battery pack latches Mini PCI card slot Docking connector DIMM slot Stereo headphone jack Stereo line in jack Diskette drive Microphone jack Hard disk drive LCD latches ThinkPad A21e 89 Parts list Parts list 13 90 ThinkPad A21e Parts list The parts marked with asterisk are CRU customer replacable unit No FRU P N 1 LCD unit see 2 Hinge cover for MT2628 Jxx Ixx 04P3970 for MT2628 Cxx 04P3972 for MT2632 i series 04P3725 3 Speaker assembly for MT2628 Jxx 02K5644 for MT2628 Cxx and MT2632 i series 02K5007 4 Keyboard bezel for MT2628 Jxx 04P3727 for Korea 08K7091 for MT2628 Cxx 04P3726 for Korea 08K7090 for MT2632 i series 04P3728 5 Sub card 08K3306 6 PC card slot 04P3398 7 Fan assembly 04P3482 a Stiffener CPU socket 8 Backup battery 02K6572 9 Mini PCI combo card Intel 08K3125 Mini PCI combo card CR 19K5888 Mini PCI combo card 3Com 22P6444 Mini PCI modem card IBM CR 08K3338 M
61. r to the Torque column for each step Make sure you use the correct screw If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Never use a screw that you removed Use a new one Make sure the screws are tightened firmly Retaining serial numbers This section includes the following descriptions 48 ThinkPad A21e FRU replacement notices Restoring the serial number of the system unit When the computer was manufactured the EEPROM on the system board was loaded with the serial numbers of the system and all major components These numbers need to remain the same throughout the life of the computer If you replace the system board you must restore the serial number of the system unit to its original value Before replacing the system board save the original serial number by doing the following 1 Install the ThinkPad hardware maintenance diskette version 1 61 and restart the computer 2 From the main menu select 1 Set System Identification 3 Select 2 Read S N data from EEPROM The serial number for each device is displayed Write down the serial number of the system unit designated as follows 20 System unit serial number After you have replaced the system board restore the serial number by doing the following 1 Install the ThinkPad hardware maintenance diskette version 1 61 and restart the computer 2 From the main menu select 1 Set System Identification
62. rface UO port External monitor Line in Headphone Microphone Mouse or keyboard Parallel or diskette drive Port replicator connector Serial Universal serial bus USB connector RJ11 RJ45 Internal modem 56 6 Kbps Audio Internal speaker Software control volume PC Card One Type lll or Type ll or Type l AC adapter 72 watt type Bay device 10 24 x CR ROM drive ThinkPad A21e 35 Product overview Status indicators The system status indicators show the status of the computer as follows Indicator Meaning H Battery Green The battery is fully charged Blinking green The battery has enough power to operate but is being charged Orange The battery power is low The battery is to being charged Blinking orange The battery needs to be charged when the indicator starts blinking orange the computer beeps three times H Standby status Green The computer is in standby mode Blinking green The computer is entering standby mode or hibernation mode or is resuming normal operation This indicator does not blink in Windows 98 Windows 2000 and Windows Me continued 36 ThinkPad A21e Product overview Indicator Meaning Drive in use Green Note Do not move the system while the Green drive in use light is on Sudden physical shock could cause drive errors Data is being read from
63. rts return form that you attach to it 1 Name and phone number of servicer 2 Date of service 3 Date on which the machine failed 4 Date of purchase 5 Failure symptoms error codes appearing on the display and beep symptoms 19 Read this first 6 Procedure index and page number in which the failing FRU was detected 7 Failing FRU name and part number 8 Machine type model number and serial number 9 Customer s name and address 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 list provides 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 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 Cracked or broken plastic parts broken latches broken pins or broken connectors caused by excessive force Damage caused by liquid spilled into the system Damage caused by the improper insertion of a
64. satzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzato 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 continued Introduction 7 Safety notices Continuation of Safety notice 4 A DANGER 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 8 ThinkPad A21e Safety notices Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Si le panneau d affichage a cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fl
65. the replacement does not correct the problem reinstall the original FRU before you continue Some computers have both a processor board and a System board If you are instructed to replace either the processor board or the system board and replacing one of them does not correct the problem reinstall that board and then replace the other one f an adapter or 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 Important service information _ 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 j _ 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 How to use error messages Use the error codes displayed on the screen to diagnose failures If more than one error code is
66. 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 mod les 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 nur durch die Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Ver tzungen verursachen 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 continued 4 ThinkPad A21e Safety notices Continuation of Safety notice 2 N DANGER Alcune batterie di riserva contengono una piccola qua
67. tic discharge ESD strap P N 6405959 to establish personal grounding 50 ThinkPad A21e Removing and replacing a FRU 1010 Battery pack CAUTION If the rechargeable battery pack is incorrectly replaced there is danger of an explosion The battery pack contains a small amount of harmful substances To avoid possible injury 1 replace only with a battery of the type recommended by IBM or an equivalent 2 keep the battery pack away from fire 3 do not expose it to water or rain 4 do not attempt to disassemble it 5 do not short circuit it Do not put the battery pack in trash that is disposed of in landfills When disposing of the battery comply with local ordinances or regulations ThinkPad A21e 51 Removing and replacing a FRU 1020 DIMM Battery pack 1010 Note Loosen the screw H but do not remove it When installing With the notched end of the DIMM toward the socket insert the DIMM into the socket then press it firmly Pivot the DIMM until it snaps into place Make sure that the card is firmly fixed in the slot and does not move easily 52 ThinkPad A21e Removing and replacing a FRU 1030 Mini PCI adapter Battery pack 1010 Note Loosen the screw H but do not remove it continued ThinkPad A21e 53 Removing and replacing a FRU Note The illustration shows the combo card Connector A is for the LAN feature and B is for the modem feature This slot also supports a
68. trabay 2000 CD ROM drive TEAC 27L3436 Ultrabay 2000 DVD ROM drive Hitachi 27L4087 Ultrabay 2000 DVD ROM drive MKE 27L3447 Ultrabay 2000 SuperDisk drive 05K9235 CD RW drive MKE 00N7955 ZIP 250 00N8254 Hard disk drive 10 0 GB SSD 08K9508 Hard disk drive 10 0 GB Hitachi 08K9531 Hard disk drive 20 0 GB SSD 27L3427 Hard disk drive 20 0 GB Hitachi 08K9533 Hard disk drive 32 0 GB SSD 08K9509 Mini PCI combo card Intel 08K3125 Mini PCI combo card CR 19K5888 Mini PCI combo card 3Com 22P6444 Mini PCI modem card IBM CR 08K3338 Mini PCI modem card Ambit 08K3252 Mini PCI Ethernet card Intel 08K3348 Multiple battery charger 02K6642 Ultrabay 2000 2nd HDD adapter 08K6067 Ultrabay 2000 battery 02K6645 ThinkPad Port Replicator 02K8669 98 ThinkPad A21e Parts list Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 Torque screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 27L8126 ThinkPad hardware maintenance diskette version Not Download the file from the Web site Power cords system IBM power cords for a specific country are usually available only in that region For 2 pin power cords Region P N Canada United States of America 13H5264 Japan 13H5273 Argentina 36L8870 For 3 pi
69. uct Recovery Program Y N Note If the hard disk drive contains any partitions you will not receive this menu go to step 1 4 Enter Y and Service Partition will be created and loaded with D2D files Note If you do not want to create Service Partition press N and then go to step 8 5 Press ENTER at next window to continue Service Partition will be created System will automatically reboot during this precess Recovery process will copy some files to the Service Partition PKUNZIP others Follow prompts you may be prompted to change CDs System will reboot when complete continue to step 6 to install preloaded system Install preloaded system from CD 6 Boot with Recovery CD and boot diskette if required 7 If the hard disk drive is blank a menu will appear stating Your computer originally included a Product Recovery program Reinstall the Product Recovery Program Y N T To install Service Partition go to step 4 To preload hard disk drive without installing Service Partition press N General descriptions 21 Related service information 8 If a menu appears asking which operating system to install highlight proper operating system and press ENTER 9 A menu will appear stating Full Recovery Press ENTER to select 10 Enter Y at the three windows which follow 11 Follow prompts to complete Recovery Passwords As many as three passwords may
70. uide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage Die 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 unsachgemaB behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist 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 anschlieBend ein Arzt aufgesucht werden 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 i sintomi dovessero permanere 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 Introduction 9 Safety notices Safety notice 6 To avoid shock 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 d
71. ur 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 2 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 Introduction 15 Safety information 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 is desirable but not required to protect against ESD damage Attach the ESD ground clip to any frame ground ground braid or green wire ground Use an ESD common ground or reference point when working on a double insulated or battery operated system You can use coax or connector outside shells
72. xpansion function ThinkPad A21e 45 Symptom to FRU index LCD related symptoms j X Important The TFT LCD for the notebook computer contains many thin film transistors TFTs A small number of dots that are missing discolored or always lighted is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of missing discolored or lighted dots in any background is SVGA 5 or more bright dots 5 or more dark dots or a total of 9 or more bright and dark dots XGA 8 or more bright dots 8 or more dark dots or a total of 9 or more bright and dark dots Note Bright dots means pixel is always on white or color Dark dots means pixel is always off black color Symptom or error FRU or action in sequence No beep power on indicator System board on and a blank LCD during POST LCD backlight not working 1 Reseat the LCD LCD too dark connectors LCD brightness cannot be 2 LCD assembly adjusted 3 System board LCD contrast cannot be adjusted LCD screen unreadable 1 See important note for Characters missing pixels elate mptom Screen abnormal 2 Reseat all LCD connectors Wrong color displayed 3 LCD assembly 4 System board Horizontal or vertical lines LCD assembly displayed on LCD Intermittent problems Intermittent system hang problems can be due to a variety of caus

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