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DELL Inspiron 3048

1. i 33 POSt requiSites zorii ne a Phe to pe Mewes Baul deta Bates 34 Removing the Control Buttons Board 55 Prerequisites u eee neret metti te ra te od e edet e erus 55 P ocedure ia ice dee ate ie enne tbe 55 Replacing the Control Buttons Board 57 Procedir HR ErE EPET 37 POSt PEQUISITES six stevie EE 37 Removing the Converter Board sees 38 Prerequisites uo oh wok tetera ht E to Ra elas 38 Procedure eis Io carats AMOR DAR ness AA er E SA ALD 38 Replacing the Converter Board s 40 Procedure boe Sn gem Dome tnds tnis 40 Post requisites te e ie ire te tg p ee ve pnt 40 Removing the System Board Shield 41 Prerequisitesu Dd ee ere vein amet e ndi riter 41 Proeed ra sius EE DEDE ed Ema 41 Replacing the System Board Shield 42 Procedules eoe e smart eene ne DUE eive te cce ence oe neater 42 Post requisites m s tee eee e re ea WE n odes 42 Removing the Antenna essseeeeenene 43 PREFEQUISILES iot crettest tte ett tem tee reti ced re be cn iei nerd 43 PROCES AEE PREDEA ADEA E AAAA E A AU RT MM MaMa GUILIN 43 Replacing the Antennd ccccccccccesececseceeeseeeseeseeseeseeeaees 45 Proced re sedo bem me Uc d rd 45 PoStsrequisites a pei e te ee Pn o dL datas aati 45 Removing
2. 2 Remove the back cover 3 Remove the system board shield 4 Remove the speaker cover Procedure 1 Disconnect the speaker cable from the system board 2 Note the speaker cable routing and remove the cable from the routing guides on the display panel base 3 Remove the screws that secure the speakers to the display bezel 65 4 Lift the speakers along with the cable off the display bezel speaker cable 2 screws 4 3 speakers 2 4 display bezel 66 Replacing the Speakers A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Align the screw holes on the speakers with the screw holes on the display bezel 2 Replace the screws that secure the speakers to the display bezel 3 Route the speaker cable through the routing guides on the display panel base 4 Connect the speaker cable to the system board Post requisites 1 Replace the speaker cover 2 Replace the system board shield 3 Replace the back cover 4 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 67 Removing the Fan A WARNING Before working inside your computer read the
3. 2 Remove the screws that secure the converter board to the display panel base 38 3 Lift the converter board off the display panel base 1 converter board cables 2 2 converter board screws 2 59 Replacing the Converter Board A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw holes on the converter board with the screw holes on the display panel base 2 Replace the screws that secure the converter board to the display panel base 3 Connect the converter board cables to the converter board Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 40 Removing the System Board Shield A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Fol
4. For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield Procedure 1 Note the routing of the camera cable and remove it from the routing guides on the display panel base 2 Note the location of the antennas and pry the antennas from the display panel base 3 Note the routing of the antenna cables and disconnect the antenna cables from the wireless card 4 Remove the antenna cables from under the camera cable 43 5 Lift the antennas along with the cables off the display panel base 1 camera cable 2 routing guide 3 wireless card 4 antenna cables 2 5 antennas 2 44 Replacing the Antenna A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align and adhere the antennas to the display panel base 2 Route the antenna cables under the camera cable and connect the cables to the wireless card 3 Route the camera cable through the routing guides on the displ
5. control buttons board 2 Mylar sheet plastic scribe 4 control buttons board cable Replacing the Control Buttons Board A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Connect the control buttons board cable to the control buttons board 2 Slide the control buttons board into the slot on the display bezel and adhere the Mylar sheet to the display bezel Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 57 Removing the Converter Board A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Disconnect the converter board cables from the converter board
6. Align the notch on the memory module with the tab on the memory module slot 2 Insert the memory module into the memory module slot and press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it 1 notch 2 tab 3 memory module slot 33 1 memory module 3 Slide the tabs on the memory module shield under the tabs on the system board shield until the memory module shield is fully secured Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 34 Removing the Control Buttons Board A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Using a plastic scribe pry the Mylar sheet to release the control buttons board from the slot on the display bezel 2 Disconnect the control buttons board cable from the control buttons board 5 3 36 Lift the control buttons board away from the display bezel 1
7. Prerequisites Follow the procedure from step 1 to step 5 in Removing the Stand Assembly Procedure 1 Using a plastic scribe pry the back cover from the display bezel starting from around the optical drive area 2 Liftthe back cover at an angle and remove it from the computer 1 plastic scribe 2 display bezel 3 back cover 20 Replacing the Back Cover A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Slide the slots on the back cover into the ports on the computer and align the tabs on the back cover with the slots on the display bezel 2 Snapthe back cover into place Post requisites Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 21 Removing the Hard Drive A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance A CAU
8. cover and access any of the components inside the computer See the safety instructions for complete information about safety precautions working inside your computer and protecting against electrostatic discharge AN CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components JN CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs or thumb screws that you must disengage before disconnecting the cable When disconnecting cables keep them evenly aligned to avoid bending any connector pins When connecting cables make sure that the ports and connectors are correctly oriented and aligned A CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device CAUTION Press and eject any installed card from the media card reader Recommended Tools The procedures in this document may require the following tools 10 Philips screwdriver Flat head screwdriver Plastic scribe 11 After Working Inside Your Computer A CAUTION Leaving stray or loose screws inside your computer may severely damage your computer 1 Replace all screws and make
9. safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield 4 Remove the VESA mount bracket Procedure 1 Disconnect the fan cable from the system board 2 Remove the screws that secure the fan to the display panel base 68 3 Lift the fan along with its cable off the display panel base fan 2 screws 2 3 fan cable 69 Replacing the Fan A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw holes on the fan with the screw holes on the display panel base 2 Replace the screws that secure the fan to the display panel base 3 Connect the fan cable to the system board Post requisites 1 Replace the VESA mount bracket 2 Replace the sys
10. sure that no stray screws remain inside your computer 2 Connect any external devices peripherals and cables you removed before working on your computer 3 Replace any media cards discs and any other part s that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer 12 Technical Overview A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Inside View of Your Computer fan microphone memory module s 1 3 5 wireless card 7 9 speaker cover 11 VESA mount bracket 13 control buttons board 15 converter board camera heat sink coin cell battery system board display panel base hard drive assembly optical drive assembly 15 System Board Components fan cable connector FAN_CPU 2 processor CPU1 3 power adapter port cable 4 converter board cable connector ATX2 connector CONVERTER 5 hard drive and optical drive 6 optical drive cable connector power cable connector SATAP1 SATA_ODD 7 hard drive cable connector 8 control buttons board cable SATA HDD connector PWRCN
11. the VESA Mount Bracket 46 Preredquisites eue een die see bete tier iod 46 Procedure veu oo te aetema dta 46 Replacing the VESA Mount Bracket 47 Procedure ao ce ouk rum m echan Lm Lr M Ese nan 47 Postsr dulsites 5 eS tat n n dv ive ordeo es 47 Removing the Speaker Cover 48 Prer gquisit S cm cor on eH TC ee e IP PU Rees Breda dnd cr EU a 48 Procedure aee eto eor eM ces ee rer Re EE AST EE ALD UE 48 Replacing the Speaker Cover 49 Procedure octets im a Lost ee Na cv tende eet tos 49 Post requisites te ete m tei e dre te et gated Lett vv t nes 49 Removing the Microphone esee 50 Preredquisites i eee Depas AS ABA dy 50 Proeedra xis er pUCpERRI UIDI E E E TG at 50 Replacing the Microphone seen 52 PIOCGQUG sre eic ee erect rea eect Pete cate she ots aa AAT A a 52 P st requisites scc er Ri e ce o oret 52 Removing the Power Adapter Port 55 Prerequisites etre ntes omen Pet eh raked vies Pa reta e aL coelos 55 PROCS eo e sro educated uet annee aeo a codo tp 53 Replacing the Power Adapter Port s 55 ProcedUre erene heo condit urn eee rte esteem dd 55 PoStsrequisites cic ce knee TOU e Pasta dedu e bob ir babet 55 Removing the Wireless Card 56 Prerequisites eee tete te e Aide ib cet e ee 56 Procedure uci oe te a tote ettet 56 Re
12. to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Follow the procedure from step 1 and step 2 in Removing the Optical Drive 4 Remove the system board shield 5 Remove the VESA mount bracket Procedure 1 Disconnect the camera cable from the system board and remove the camera cable from the routing guides on the display panel base 2 Disconnect the speaker cable from the system board and remove the speaker cable from the routing guides on the display panel base 3 Disconnect the control buttons board cable from the control buttons board 75 4 Disconnect the converter board cable from the display panel 2 routing guide 2 camera cable system board 4 speaker cable control buttons board 6 converter board cable cable 5 Remove the screws that secure the display panel base to the display bezel 76 6 Push and release the tabs that secure the display panel base to the display bezel 1 tabs 3 2 screws 16 3 display bezel 4 display panel base 7 Note the touch control board cable optional routing and display cable routing 8 Disconnect the touch control board cable optional from the system board 9 Liftthe connector latch and disconnect the display cable from the system board 77 10 Release the touch control board cable optional and display cable through the slots on the display panel base 1 display cable 2 connector latch 3 touch control board cable 4 displa
13. 1 14 11 13 15 touch control board cable connector optional TOUCH memory module slot DIMM1 camera cable connector WEBCAM wireless card slot NGFF WIFI 10 12 14 16 speaker cable connector SPEAKER memory module slot DIMM2 display cable connector LVDS coin cell battery BATTERY 15 Removing the Stand Assembly A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Place the computer face down on a soft cloth or a clean surface 2 Release the tabs on the stand cover 3 Slide and remove the stand cover away from the computer 1 stand cover 2 backcover 4 Remove the screws that secure the stand assembly to the display panel base 16 5 Pivot the stand assembly upward and slide it away from the computer 1 screws 4 2 back cover stand assembly To remove either the stand base or stand riser from the stand assembly follow the steps below 6 Lift the screw handle on the stand base 7 Using the screw handle loosen the captive thumbscrew that secures the stand base to the stand riser 17 8 Slide the stand base off the stand ri
14. Inspiron 20 Owner s Manual Computer Model Inspiron 20 Model 3048 Regulatory Model W09B Regulatory Type W09B001 Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your computer A CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2014 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their respective companies 2014 03 Rev AOO Contents Before Working Inside Your Computer 9 BeforeiYouU Begirt ione e eder tie i Rt tede rte cre Oates 9 Safety InstFUctIOns tiie none rel ett pne re re esate ala a 9 Recommended Tools ied CIRC B ER EKTA ETETE 10 After Working Inside Your Computer ss 12 Technical OVervi8W d n bin n bi deed Bend dades tu die 15 Inside View of Your Computer essessssssssessseeeenne ener enne nennen 15 System Board Components niania a a nennen 14 Removing the Stand Assembyly sssss 16 Procedlres deu cR teh n end pm ies erue po
15. Or au Dd 16 Replacing the Stand Assembyly ssesuss 19 Procedure s sn Nd p ttv um eta teat es 19 Removing the Back Covel ccccccccesccscsseessseseeseeeseeseeseneees 20 Prer quisites e bbc eee ume ect ict na cette dt tne 20 Procedure c d ee teet tele e de Leld 20 Replacing the Back Cowver sese 21 Procedure ceo oo o EE CIRC US thes ennai 21 POSEST GUISILGS s c ddnde ose tore eios ou OR CIE cre LO p Lr ue 21 Removing the Hard Drive esessseseseees 22 Prerequisites uet sce t eee e ee n tbe TR ede i 22 Procedures natis eed ce oe oeste he A th ore Modele uc UN coc Cr tut 22 Replacing the Hard Drive sesssssss 25 Procedure ducts sos coord ettet op temet dis ect hort t 25 Post requisites tete re idee tte gn vp tete n 25 Removing the Optical Drive sess 26 Prereduisites J e pe vec pc Gem Eae dene b NC 26 Proeedra icu DEDERE a RUE GU 26 Replacing the Optical Drive seeeee 28 ProCedUute stes de T BREUI Mm 28 P ost requisites sc e eH ce e ces e oe 28 Removing the Memory Module s 29 Prer amp quisites siet tele bei eee eb P ee P tet Ern d ied ee Pede de rentis 29 Procedure 5 esce nes AAEE E A tetti heh Moo o Pau cL i f 50 Replacing the Memory Module s 32 ziisiee V i e
16. TION Hard drives are fragile Exercise care when handling the hard drive AN CAUTION To avoid data loss do not remove the hard drive while the computer is in Sleep or On state Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Pressandrelease the tab on the hard drive assembly 2 Liftthe hard drive assembly and release the tabs on the hard drive assembly from the slots on the display panel base 22 3 4 Disconnect the hard drive and optical drive power and data cable from the hard drive assembly 1 hard drive and optical drive 2 hard drive assembly power and data cable 3 tab 4 display panel base Pull the sides of the hard drive bracket to release the pins securing the hard drive 25 5 Lift the hard drive off the hard drive bracket 1 hard drive 2 hard drive bracket pins 4 24 Replacing the Hard Drive A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance A CAUTION Hard drives are fragile Exercise care when handling the hard drive Procedure 1 Pull the sides of the hard dri
17. ard Disconnect the fan cable power adapter port cable converter board cable hard drive and optical drive power cable optical drive cable hard drive cable control buttons board cable touch control board cable optional speaker cable and camera cable from the system board For more information see System Board Components 4 1 12 camera cable 2 display cable connector latch 4 fancable hard drive and optical drive 6 converter board cable power cable power adapter port cable 8 optical drive cable control buttons board 10 hard drive cable cable 11 touch control board cable 12 speaker cable optional Remove the screws that secure the system board to the display panel base Lift the system board at an angle and release the ports on the system board from the tab on the display panel base 1 screws 5 2 tab system board 73 Replacing the System Board A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance K NOTE Your computer s Service Tag is stored in the system board You must enter the Service Tag in the system setup after you replace the system board Procedure 1 S
18. ard shield 4 Remove the VESA mount bracket Procedure 1 Note the routing of the power adapter port cable on the system board 2 Disconnect the power adapter port cable from the system board 3 Remove the screw that secures the power adapter port to the bracket on the display panel base 55 4 Lift the power adapter port along with the cable off the display panel base 1 power adapter port cable 2 power adapter port 3 display panel base 4 screw 54 Replacing the Power Adapter Port A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Slide the power adapter port into the bracket on the display panel base 2 Align the screw hole on the power adapter port with the screw hole on the bracket on the display panel base 3 Replace the screw that secures the power adapter port to the bracket on display panel base 4 Route the power adapter port cable on the system board and connect the cable to the system board Post requisites Replace the VESA mount bracket Replace the system board shield Replace the back cover hWDN Hn Follow the procedure from step 3 to step 5 i
19. ase Prerequisites F4 NOTE The heat sink may look different on your computer depending on the configuration you ordered 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield Procedure 1 Remove the screw that secures the heat sink to the display panel base 2 In sequential order indicated on the heat sink loosen the captive screws that secure the heat sink to the system board 59 3 Liftthe heat sink off the system board 1 screw 2 heatsink captive screws 7 4 system board 60 Replacing the Heat Sink A A Ea WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Incorrect alignment of the heat sink can cause damage to the system board and processor NOTE The original thermal grease can be reused if the original system board and fan are reinstalled together If either the system board or the fan is replaced use the thermal pad provided in the kit to make sure that thermal conductivity is achieved Procedure Clean the thermal grease from the bottom of the heat sink and reappl
20. at secure the camera assembly to the display bezel Slide the touch control board cable optional and display cable through the slots on the display panel base Align the screw holes on the display panel base with the screw holes on the display bezel and snap the display panel base into place CAUTION Make sure that no cables are placed under the display panel base Replace the screws that secure the display panel base to the display bezel Connect the converter board cable to the display panel Connect the control buttons board cable to the control buttons board Route the touch control board cable optional and connect the cable to the system board Route the speaker cable through the routing guides on the display panel base and connect the speaker cable to the system board Route the camera cable through the routing guides on the display panel base and connect the camera cable to the system board Slide the display cable into the connector on the system board and press down on the connector latch to secure the cable 81 Post requisites 1 Replace the VESA mount bracket Replace the system board shield 3 Follow the procedure from step 4 and step 5 in Replacing the Optical Drive 4 Replace the back cover 5 Follow the procedure from step 5 to step 5 in Replacing the Stand Assembly 82 Flashing the BIOS You may need to flash update the BIOS when an update is available or when you replace the sys
21. ay panel base Post requisites 1 Replace the system board shield 2 Replace the back cover 3 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 45 Removing the VESA Mount Bracket A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield Procedure 1 Remove the screws that secure the VESA mount bracket to the display panel base 2 Liftthe VESA mount bracket off the display panel base 1 screws 4 2 VESA mount bracket 46 Replacing the VESA Mount Bracket A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Align the screw holes on the VESA mount bracket with the s
22. crew holes on the display panel base 2 Replace the screws that secure the VESA mount bracket to the display panel base Post requisites 1 Replace the system board shield 2 Replace the back cover 3 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 47 Removing the Speaker Cover A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Remove the screws that secure the speaker cover to the display bezel 2 Liftthe speaker cover off the display bezel 1 screws 4 2 speaker cover 3 display bezel 48 Replacing the Speaker Cover A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the scre
23. emove it from the optical drive assembly Remove the screws that secure the optical drive bracket to the optical drive and remove the optical drive bracket from the optical drive ke 4 2 y Wwy ps Nc P 1 optical drive bezel 2 optical drive 5 optical drive bracket 4 screws 2 27 Replacing the Optical Drive A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Align the screw holes on the optical drive bracket with the screw holes on the optical drive 2 Replace the screws that secure the optical drive bracket to the optical drive 3 Align the tabs on the optical drive bezel with the slots on the optical drive assembly and snap the optical drive bezel into place 4 Slide the optical drive assembly into the optical drive bay until it is fully seated 5 Replace the screw that secures the optical drive assembly to the display panel base Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand 28 Assembly Removing the Memory Module s A WARNING Before working inside your computer read the safety informat
24. equisites oed bait ent ipee tectorio Ben PR Po RT aS 71 PROC UNG is dst tta aa B m dtd etd d c A Cases D e eR MERIT 72 Replacing the System Board ssssusss 74 Procedure e eot moet ode Lm He oe 74 Postsredguisites cni beret ptt dece e erdt ile dbi ges 74 Removing the Camera sess 75 Prerequisites cae Lt serie t pr a a ee e E EE PEU 75 Proeed ra sce ERU e UE 75 Replacing the Camerra cccccccceecsseceeeceseceeeceeesseesenesseeeees 81 Procedutes e e TU re etre EN EUN UT 81 P st requisites s e eee eee ee e ode 82 Flashing the BIOS iol a A secl des pM s 83 Getting Help and Contacting DelL 84 Self Help R sourcesc a dpt REPRE bo e 84 Contacting Dell 2 325 8 IRE ER Od E Res 84 Before Working Inside Your Computer A CAUTION To avoid damaging the components and cards handle them by their edges and avoid touching pins and contacts Before You Begin 1 Save and close all open files and exit all open applications 2 Shut down your computer Windows 8 Move your mouse pointer to the upper right or lower right corner of the screen to open the charms sidebar and then click or tap Settings Power Shut down Windows 7 Click or tap Start o Shut down NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer a
25. hipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Align the screw hole on microphone module with the screw hole on the microphone module bracket 2 Replace the screw that secures the microphone module bracket to the microphone module 3 Connect the microphone cable to the microphone module connector 4 Align the screw hole on the microphone module bracket with the screw hole on the display bezel 5 Replace the screw that secures the microphone module bracket to the display bezel Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand 52 Assembly Removing the Power Adapter Port AN WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system bo
26. ion that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 29 Procedure 1 Using the pull tab slide the memory module shield and remove it from the system board shield 1 pulltab 2 memory module shield system board shield 2 Using your fingertips pry apart the securing clips on each end of the memory module slot until the memory module pops up 1 securing clips 2 2 memory module slot 50 3 Remove the memory module from the memory module slot 1 memory module 2 memory module slot 31 Replacing the Memory Module s A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance 32 Procedure K NOTE If you are installing only one memory module insert the memory module in the memory module slot marked as DIMM1 1
27. lide the ports on the system board into the slots on the display panel base and align the screw holes on the system board with the screw holes on the display panel base 2 Replace the screws that secure the system board to the display panel base 3 Connect the fan cable power adapter port cable converter board cable hard drive and optical drive power cable optical drive cable hard drive cable control buttons board cable touch control board cable optional speaker cable and camera cable to the system board For more information see System Board Components 4 Slide the display cable into the system board connector and press down on the connector latch to secure the cable Post requisites 1 Replace the heat sink 2 Replace the wireless card 3 Replace the memory module s 4 Replace the VESA mount bracket 5 Replace the system board shield 6 Replace the back cover 7 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 74 Removing the Camera A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1
28. low the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Remove the screws that secure the system board shield to the display panel base 2 Liftthe system board shield at an angle and remove it from the display panel base 1 system board shield 2 screws 2 41 Replacing the System Board Shield A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Slide the slots on the system board shield into the ports on the system board 2 Align the screw holes on the system board shield with the screw holes on the display panel base 3 Replace the screws that secure the system board shield to the display panel base Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 42 Removing the Antenna A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer
29. n Replacing the Stand Assembly 55 Removing the Wireless Card A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield Procedure 1 Disconnect the antenna cables from the wireless card 2 Remove the screw that secures the wireless card to the system board 56 3 Slide and remove the wireless card from the wireless card slot on the system board 1 antenna cables 2 2 screw 5 wireless card 4 wireless card slot 57 Replacing the Wireless Card A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure A CAUTION To avoid damaging the wireless card do not place any cables under it 1 Align the notch o
30. n cell battery from the battery socket on the system board tab 2 protective cover plastic scribe 4 coin cell battery 65 Replacing the Coin Cell Battery A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 With the positive side facing up insert the new coin cell battery CR2032 into the battery socket and snap the battery into place 2 Snapthe protective cover to the coin cell battery Post requisites 1 Replace the heat sink 2 Replace the system board shield 3 Replace the back cover 4 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 64 Removing the Speakers A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly
31. n the wireless card with the tab on the wireless card slot 2 Slide the wireless card at an angle into the wireless card slot on the system board Press the other end of the wireless card down and replace the screw that secures the wireless card to the system board 4 Connectthe antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card supported by your computer Connectors on the wireless card Antenna cable color Main white triangle White Auxiliary black triangle Black Post requisites 1 Replace the system board shield 2 Replace the back cover 3 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 58 Removing the Heat Sink A A A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance WARNING The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it CAUTION To ensure maximum cooling for the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal gre
32. nd all attached devices from their electrical outlets 4 Disconnect all cables such as telephone cables network cables and so on from your computer 5 Disconnect all attached devices and peripherals such as keyboard mouse monitor and so on from your computer 6 Remove any media card and optical disc from your computer if applicable 7 After the computer is unplugged press and hold the power button for 5 seconds to ground the system board CAUTION Place the computer on a flat soft and clean surface to avoid scratching the display 8 Place the computer face down Safety Instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety A WARNING Before working inside your computer read the safety information that shipped with your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance A WARNING Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting to the power source CAUTION To avoid damaging the computer make sure that the work surface is flat and clean CAUTION To avoid damaging the components and cards handle them by their edges and avoid touching pins and contacts gt gt D CAUTION Only a certified service technician is authorized to remove the computer
33. perating system setting up and using your computer data backup diagnostics and so on Contacting Dell Self Help Options Windows 8 Open the Search charm type Help and Support in the search box and press lt Enter gt Windows 7 Click Start Help and Support See dell com See dell com support See dell com windows8 Click Start All Programs Dell Help Documentation See Me and My Dell at dell com support manuals To contact Dell for sales technical support or customer service issues see dell com contactdell NOTE Availability varies by country and product and some services may not be available in your country 84 NOTE If you do not have an active internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog 85
34. placing the Wireless Card eeee 58 Procedure sesso tome eee c eru uinci ata s 58 Post requisites ced tee te RE RC LO e a bains 58 Removing the Heat Sink sese 59 Prerequisites see petet RR EN 59 Procedure e on ation Muir Du cauere EUR DE ANAL e aie 59 Replacing the Heat Sink esses 61 Procedure iaceo enu e b 61 Post requisites eR o en dece te ce got dete nnde 61 Removing the Coin Cell Battery sess 62 Preredquisites eerte pec r a eer ED mee ER EUIS 62 Proeedra iuc essc spp nt c Gr 62 Replacing the Coin Cell Battery ssss 64 PROGEC EIE AE PEE 64 Post requisites Dee eee e ren a es ode e 64 Removing the Speakers seen 65 Prerequisit s sia ce bit bent Pee tice etm tue tees 65 Procedre ues etre scc ne M ned e AL IE DILE 65 Replacing the Speake c cccccscsesessecsseseesescseeseeseeseesenes 67 Proced re icti uten ed run ee ete e Eur 67 Post requisites sc ste toe e beu Abul eed 67 Removing the Fan sess tn ntn nnns 68 Preredquisites r ere remet o dete eec eee d 68 Procedure ceu oe ete ott ae tubes 68 Replacing the Fan eas eee onore cae i SR 70 Procedure dose ae etu ea fe thatthe a lal a 70 Post requisites dus cecinere RE Dr OR oed buie dad 70 Removing the System Board ssseee 71 Prer
35. ser stand riser 2 screw handle captive thumbscrew 4 stand base 18 Replacing the Stand Assembly A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Follow the steps below to replace either the stand base or the stand riser 1 2 Slide the stand base into the slot on the stand riser Tighten the captive thumbscrew and fold the screw handle on the stand base Follow the steps below to replace the stand assembly Slide the tabs on the stand assembly into the slots on the back cover Replace the screws that secure the stand assembly to the display panel base Slide the tabs on the stand cover into the slots on the back cover and snap the stand cover until it clicks into place 19 Removing the Back Cover A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance
36. tem board To flash the BIOS 1 2 3 10 11 Turn on the computer Go to dell com support If you have your computer s Service Tag type your computer s Service Tag and click Submit If you do not have your computers Service Tag click Detect My Product to allow automatic detection of the Service Tag NOTE If the Service Tag cannot be detected automatically select your product under the product categories Click Get Drivers and Downloads Click View All Drivers In the Operating System drop down select the operating system installed on your computer Click BIOS Click Download File to download the latest version of the BIOS for your computer On the next page select Single file download and click Continue Save the file and once the download is complete navigate to the folder where you saved the BIOS update file Double click the BIOS update file icon and follow the instructions on the screen 85 Getting Help and Contacting Dell Self Help Resources You can get information and help on Dell products and services using these online self help resources Self Help Information Accessing Windows Help Information about Dell products and services Troubleshooting information user manuals setup instructions product specifications technical help blogs drivers software updates and so on Information about Microsoft Windows 8 Information about Microsoft Windows 7 Learn about your o
37. tem board shield 3 Replace the back cover 4 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 70 Removing the System Board A Ea Ea Ea WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance NOTE Your computer s Service Tag is stored in the system board You must enter the Service Tag in the system setup after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using System Setup You must make the desired changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect them correctly after you replace the system board Prerequisites 1 N Aw BW DM Follow the procedure from step 1 to step 5 in Removing the Stand Assembly Remove the back cover Remove the system board shield Remove the VESA mount bracket Remove the memory module s Remove the wireless card Remove the heat sink 71 Procedure 72 Lift the connector latch and disconnect the display cable from the system bo
38. ve bracket and slide the pins on the hard drive brackets into the holes on the hard drive 2 Connect the hard drive and optical drive power and data cable to the hard drive assembly 3 Slide the tabs on the hard drive assembly into the slots on the display panel base and snap the hard drive assembly to the display panel base NOTE Make sure the tabs on the hard drive bracket are secured on the slots on the display panel base Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 25 Removing the Optical Drive A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Remove the screw that secures the optical drive assembly to the display panel base 2 Push the optical drive bracket to disconnect the optical drive assembly and then slide the optical drive assembly out of the optical drive bay optical drive assembly 2 optical drive bracket 5 screw 26 Carefully pry the optical drive bezel and r
39. w holes on the speaker cover with the screw holes on the display bezel 2 Replace the screws that secure the speaker cover to the display bezel Post requisites 1 Replace the back cover 2 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 49 Removing the Microphone A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites K NOTE The instructions are applicable only for touchscreen computer 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover Procedure 1 Remove the screw that secures the microphone module bracket to the display bezel 2 Liftthe microphone module assembly and then disconnect the microphone cable from the microphone module 3 Remove the screw that secures the microphone module bracket to the microphone module 50 4 Remove the microphone module bracket off the microphone module 1 screws 2 2 microphone module bracket 3 microphone cable 4 microphone module 51 Replacing the Microphone A WARNING Before working inside your computer read the safety information that s
40. y the thermal grease 2 Align the captive screws on the heat sink with the screw holes on the system board 3 In sequential order indicated on the heat sink tighten the captive screws that secure the heat sink to the system board 4 Replace the screw that secures the heat sink to the display panel base Post requisites 1 Replace the system board shield 2 Replace the back cover 3 Follow the procedure from step 3 to step 5 in Replacing the Stand Assembly 61 Removing the Coin Cell Battery A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance A CAUTION Removing the coin cell battery resets the BIOS settings to default It is recommended that you note the BIOS settings before removing the coin cell battery Prerequisites 1 Follow the procedure from step 1 to step 5 in Removing the Stand Assembly 2 Remove the back cover 3 Remove the system board shield 4 Remove the heat sink Procedure 1 Locate the battery socket on the system board 2 Using the tab on the protective cover lift the cover off the coin cell battery 62 3 Using a plastic scribe gently pry out the coi
41. y panel base optional 78 11 Lift the display panel base off the display panel and keep it on a flat and Clean surface 1 display panel base 12 Remove the screws that secure the camera assembly to the display bezel 79 13 Carefully lift the camera assembly and turn it over 1 display bezel 2 camera assembly screws 2 14 Disconnect the camera cable from the camera assembly 15 Remove the screw that secures the camera to the camera bracket 16 Lift the camera at an angle and remove it from under the tab on the camera bracket 1 screw 2 camera bracket 3 camera 4 tab 5 camera cable 80 Replacing the Camera A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer After working inside your computer follow the instructions in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 10 11 12 13 14 Slide the camera under the tab on the camera bracket and align the screw hole on the camera with the screw hole on the camera bracket Replace the screw that secures the camera to the camera bracket Connect the camera cable to the camera Turn the camera assembly over and align the screw holes on the camera assembly with the screw holes on the display bezel Replace the screws th

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