DELL Inspiron 7548
Contents
1. 30 PREREQUISITES os c orem Lie roe Le i acsi carni 50 Procedure inem tet Te HE ETHER 50 Replacing the Power Adapter Port 32 Proced resu nom e m e n pe remet re e e t OO e cas 32 POSt Tequlsites erectum eta detener 32 Removing the Power Status Light Board 33 Prerequisitesz n heh ete Cte e e tan deett bate etes 55 PHOCE c r E 33 Replacing the Power Status Light Board 35 Mese EE 35 Post fedulisites i ue tor epa aa 55 Removing the Processor Fan eese 36 Prerrequisito ee 36 POC A A ds 36 Replacing the Processor Fa ooocooccciccccconcccnonoconaccnnnnnnannnnnnnnnns 358 Procedure io ettet etg em Lom E Pe e ert ette te 58 PosSt requlsites z x o ta od 58 Removing the Video Card Fan eese 39 Preredqulsites eene big e ertet P tg 59 Procedure decocto teen uec rei o s probabo endo Nro Eolo dale 59 Replacing the Video Card Fan esses 42 Procedure iur aet eet e ede tet idees 42 Postsredulsites oso e bet este ie ie ame M nene 42 Removing the Heat Sink esee 43 Prerrequisito tom tes des Tue dues Mariette mee s 43 POC lit a 44 Replacing the Heat SiMkK oooooooccocococacccnoncnonaccconnccnnnoranncananenannos 45 A a O tat 45 Post Tredulsites erecto lt Ee ardent deti tip ts 45 Removing the Speakers2. 17 2 Slide and lift the hard drive assembly off the palm rest assembly 1 screws 4 2 hard drive assembly 3 Remove the screws that secure the hard drive bracket to the hard drive 4 Lift the hard drive bracket off the hard drive 1 hard drive bracket 2 screws 4 3 hard drive 18 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 Align the screw holes on the hard drive bracket with the screw holes on the hard drive 2 Replace the screws that secure the hard drive bracket to the hard drive WN Slide the hard drive assembly into the slot on the palm rest assembly 4 Replace the screws that secure the hard drive assembly to the palm rest assembly Post requisites 1 Replace the battery 2 Replace the base cover 19 Removing 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 th
3. 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 tabs on the base cover with the slots on the palm rest assembly and snap the base cover into place 2 Replace the screws that secure the base cover to the palm rest assembly 3 Tighten the captive screws that secure the base cover to the palm rest assembly 15 Removing the 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 Prerequisites Remove the base cover Procedure 1 Remove the screws that secure the battery to the palm rest assembly 2 Turn the battery over 1 screws 5 2 battery 14 3 Disconnect the battery cable from the battery 1 battery cable 2 battery 4 Turn the computer over open the display and press the power button for five seconds to ground the system board
4. 15 Replacing the 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 Connect the battery cable to the battery 2 Turn the battery over and align the screw holes on the battery with the screw holes on the palm rest assembly 3 Replace the screws that secure the battery to the palm rest assembly Post requisites Replace the base cover 16 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 CAUTION 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 Remove the base cover 2 Remove the battery Procedure 1 Remove the screws that secure the hard drive assembly to the palm rest assembly
5. eene 46 Prerrequisito leal dedo d 46 Procesan Rote et tm rette n e eet re dl es outta e o ds 46 Replacing the Speakers eese 48 Ptoced te ette m RO EN ORE UE 48 Post requisitesc seo ERE RENI E RERO RM 48 Removing the Display Assembyly 49 PRETEQUISILES at ket e E PE time HU re rom E ITI es 49 Procedure sah A o eo ied end e eet ird Ee n 49 Replacing the Display AssembWly 52 Procedure ite tont eb eate eig t br n rod ec te i ete ont 52 POSEE QUISE ertet ete t rn ten ee detener eet rn qe 52 Removing the System Board ees 53 Prerequisites ici tup een ree S EET RE ER EXER REED PR ED Nn 55 Proced ra ts ada 54 Replacing the System Board sss 56 Proced re ete me eibi hd eite 56 Postsregulsites cn rio a ee do dl te ute LE eese 56 Removing the Palm Rest and Keyboard 57 A mc ie cec nim ri n M tele cete Eas 57 Proceder ned rede apa 57 Replacing the Palm Rest and Keyboard 60 Procedures nime decine gt m tree ed pad o qu ce ga eos 60 Post requisitess receta meta utate t 60 Flashing the DO Sucia 61 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 Es NOTE The images in
6. 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 You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team Damage due to servicing that is not authorized by Dell is not covered by your warranty See the safety instructions that shipped with the product or at dell com regulatory_compliance 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 follo
7. 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 For maximum cooling of 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 grease Prerequisites 1 2 Remove the base cover Remove the battery 43 Procedure 1 Peel off the mylar tape from the memory modules 1 mylar tape 2 Loosen the captive screws that secure the heat sink to the system board 3 Liftthe heat sink off the system board 1 heat sink 2 captive screws 6 44 Replacing the Heat Sink 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 the system board and processor NOTE The original thermal grease can be reused if the original system board and heat sink are reinstalled together If either the system board or the heat sink is replaced use the thermal pad provided in the
8. Inspiron 15 7000 Series Service Manual Computer Model Inspiron 7548 Regulatory Model P41F Regulatory Type P41F001 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 11 Rev AOO Contents Before Working Inside Your Computer 7 Before YOU BEGIN ias a e ie 7 Safety AStrUCtIONS ta A ial holds 7 Recommended TOGIS isc ses ciet a SEN DN I aspe Ee Rete RR REIR 8 After Working Inside Your Computer 10 Removing the Base Cowver seen 11 o A d em e eee eire ree an 11 Replacing the Base Cover esses 13 Proc dit nt trab 13 Removing the Battery eese 14 Pr redulsites s secos dett dd ds tetas Aigo E ELI e ctos m e E Ned eret 14 Pr cda da 14 Replac
9. ay assembly off the computer 1 screws 6 3 display assembly 2 hinges 2 51 Replacing the Display 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 Place the palm rest assembly on the edge of a table with the keyboard facing down 2 Align the screw holes on the hinges of the display assembly with the screw holes on the palm rest assembly 3 Replace the screws that secure the display assembly to the palm rest assembly 4 Close the display 5 Route the display cable and connect it to the system board 6 Route the antenna cables and connect them to the wireless card Post requisites 1 Replace the battery 2 Replace the base cover 52 Removing the System Board A Es 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 comp
10. 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 battery 2 Replace the base cover 26 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 Remove the base cover 2 Remove the battery Procedure 1 Liftthe mylar tape off the coin cell battery 27 2 Using a plastic scribe pry the coin cell battery out of the battery socket 1 mylartape 2 plastic scribe coin cell battery 28 Replacing the Coin Cell Battery A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the ste
11. cket with the screw holes on the palm rest assembly Replace the screws that secure the keyboard bracket to the palm rest assembly Post requisites OANA BRWD HP 10 60 Replace the system board Replace the display assembly Replace the heat sink Replace the processor fan Replace the video card fan Replace the memory module s Replace the wireless card Replace the hard drive Replace the battery Replace the base cover Flashing the BIOS You may need to flash update the BIOS when an update is available or when you replace the system 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
12. de Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Remove the base cover Remove the battery Remove the hard drive Remove the wireless card Remove the memory module s Remove the video card fan Remove the processor fan Remove the heat sink Remove the display assembly 10 Remove the system board OANA A BRWD EB Procedure 1 Remove the screws that secure the keyboard bracket to the palm rest assembly 57 58 Lift the keyboard bracket off the palm rest assembly 1 screws 5 2 keyboard bracket Remove the screws that secure the keyboard to the palm rest assembly 4 Lift the keyboard off the palm rest assembly 1 screws 22 2 keyboard 1 keyboard 2 palm rest assembly 59 Replacing the Palm Rest and Keyboard 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 keyboard with the screw holes on the palm rest assembly Replace the screws that secure the keyboard to the palm rest assembly Align the screw holes on the keyboard bra
13. e 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 Remove the base cover 2 Remove the battery Procedure 1 Peel off the mylar tape from the memory modules 1 mylar tape 2 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory module pops up 20 3 Remove the memory module from the memory module slot 1 securing clips 4 2 memory module slot 2 3 memory modules 2 21 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 Procedure 1 Align the notch on the memory module with the tab on the memory module slot 22 2 Slide the memory module firmly into the slot at a 45 degree angle 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 memory modules 2 2 securing clips 4 3 memory module slot 2 4 notch 5 tab 3 Adhere the mylar tape over the memory mod
14. e 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 BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the desired changes again after you replace the system board Procedure Starting from the right gently place the system board on the palm rest assembly Align the screw holes on the system board with the screw holes on the palm rest assembly Replace the screws that secure the system board to the palm rest assembly Connect the battery cable speaker cable power adapter port cable keyboard cable keyboard backlight cable power light cable and touch pad cable to the system board Post requisites Aun BRWDNY BE 56 Replace the display assembly Replace the processor fan Replace the video card fan Replace the hard drive Replace the battery Replace the base cover Removing the Palm Rest and Keyboard 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 Insi
15. he antenna cable routing and remove the antenna cables from the routing guides on the video card fan 1 video card fan 2 wireless card 3 antenna cables 3 Disconnect the video card fan cable from the system board 4 Remove the screws that secure the video card fan to the system board 40 5 Lift the video card fan off the system board 1 screws 2 2 3 video card fan cable video card fan 41 Replacing the Video Card 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 video card fan with the screw holes on the system board 2 Replace the screws that secure the video card fan to the system board W Connect the video card fan cable to the system board 4 Route the antenna cables and connect them to the wireless card Post requisites 1 Replace the battery 2 Replace the base cover 42 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
16. icon and follow the instructions on the screen 61
17. ide 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 power light board with the screw holes on the palm rest assembly 2 Replace the screws that secure the power light board to the palm rest assembly 3 Connect the power light board cable to the power light board and press down on the latch to secure the cable Post requisites 1 Replace the battery 2 Replace the base cover 35 Removing the Processor 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 Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the display cable from the system board 2 Note the display cable routing and remove the display cable from the routing guides on the fan 1 processor fan 2 display cable 36 3 Liftthe mylar tape and disconnect the processor fan cable from the system board 4 Remove the screws that secure the processor fan to the system board 5 Lift the processor fan off the s
18. ing the BatterY oococonccconcconococaconnocononaccnnnnncnnnnrananenannnnnns 16 POC linia 16 Post requisites sss I hie Gee ee Na eae ds 16 Removing the Hard Drive senes 17 Prerequisites astu e eta ia 17 a AA RAS CI EDT 17 Replacing the Hard Drive eese 19 o AAA geste eot ect fecere d doc e dav e eer tete eam 19 POSt FEQUISILES acit eee a ERA Fl ree terae 19 Removing the Memory Module s 20 Pr r duisite s cte s obe Deam e mete adeb 20 Proced re etr Rete eet t pente e e eet e ol at etes 20 Replacing the Memory Module s 22 Prtoced tes i eme EH CR DURER Ed 22 Post requisites eom E RET IRR EORR NES 23 Removing the Wireless Card esses 24 PRSTEQUISICE Salta eed sites suntan exten DNE NA Ud ANT UE 24 Procedure o saves eret o a een eee ie Es 24 Replacing the Wireless Card 26 Procedure iie e ott m Pres ee e refe beet 26 AS RO 26 Removing the Coin Cell Battery ss 27 Prerequisites siet etse teint va eon mo vv ten 27 Procedte estre tette ER PRECES 27 Replacing the Coin Cell Battery 29 Procedure iere dad tete s 29 Postsredulsites etui re ente etus ert edu 29 Removing the Power Adapter Port
19. kit to make sure that thermal conductivity is achieved JIN CAUTION Incorrect alignment of the heat sink can cause damage to Procedure 1 Align the captive screws on the heat sink with the screw holes on the system board 2 Tighten the captive screws that secure the heat sink to the system board 3 Adhere the mylar tape over the memory modules Post requisites 1 Replace the battery 2 Replace the base cover 45 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 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the speaker cable from the system board 46 2 Note the speaker cable routing and lift the speakers along with the speaker cable off the palm rest assembly 1 speaker cable 2 left speaker 3 right speaker 47 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
20. practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Route the speaker cable and using the alignment posts on the palm rest place the speakers in position 2 Connect the speaker cable to the system board Post requisites 1 Replace the battery 2 Replace the base cover 48 Removing the Display 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 Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the antenna cables from the wireless card 2 Note the antenna cable routing and remove them from the routing guides on the video card fan 3 Disconnect the display cable from the system board 49 4 Note the display cable routing and remove the display cable from the routing guides on the processor fan 1 1 wireless card 2 antenna cables 3 display cable 5 Open the palm rest assembly to an angle of 90 degrees Place the computer at the edge of a table with the display hanging over 7 Remove the screws that secure the display assembly to the palm rest assembly a 50 8 Lift the displ
21. ps 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 snap the coin cell battery into the battery socket 2 Adhere the mylar tape over the coin cell battery Post requisites 1 Replace the battery 2 Replace the base cover 29 Removing 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 Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the power adapter port cable from the system board 30 2 Using a plastic scribe pry the power adapter port out of the socket on the palm rest assembly 1 power adapter port 2 plastic scribe power adapter port cable 31 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
22. this document may differ from your computer depending on the configuration you ordered Before You Begin 1 Save and close all open files and exit all open applications 2 Shut down your computer Windows 8 1 On the Start screen click or tap the power icon 05 Shut down Windows 7 Click or tap Start 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 and 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 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
23. ules Post requisites 1 Replace the battery 2 Replace the base cover 25 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 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the antenna cables from the wireless card 2 Remove the screw that secures the wireless card to the system board 24 3 Slide and remove the wireless card from the wireless card slot 1 wireless card slot 2 wireless card 3 antenna cables 4 screw 25 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 1 Align the notch on the wireless card with the tab on the wireless card slot 2 Slide the wireless card at an angle into the wireless card slot 3 Pressthe other end of the wireless
24. uter s Service Tag is stored in the system board You must enter the Service Tag in the BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program 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 an i NN H Remove the base cover Remove the battery Remove the hard drive Remove the video card fan Remove the processor fan Remove the display assembly 53 Procedure 1 Disconnect the touch pad cable power light cable keyboard backlight cable keyboard cable power adapter port cable speaker cable and battery cable from the system board 1 touch pad cable 2 power light cable 3 keyboard backlight cable 4 keyboard cable 5 power adapter port cable 6 speaker cable 7 battery cable 2 Remove the screws that secure the system board to the palm rest assembly 54 3 Starting from the left gently lift the system board off the palm rest assembly 1 screws 7 2 system board 55 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 insid
25. wing tools Philips screwdriver e Plastic scribe 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 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 10 Removing the Base 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 Close the display and turn the computer over 2 Loosen the captive screws that secure the base cover to the palm rest assembly 3 Remove the screws that secure the base cover to the palm rest assembly 4 Using a plastic scribe pry the base cover from the palm rest assembly 11 5 Liftthe base cover off the computer 1 screws 6 2 base cover 3 captive screws 4 4 plastic scribe 12 Replacing the Base Cover
26. 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 power adapter port in its socket on the palm rest assembly 2 Connect the power adapter port cable to the system board Post requisites 1 Replace the battery 2 Replace the base cover 32 Removing the Power Status Light 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 Remove the base cover 2 Remove the battery Procedure 1 Lift the latch and disconnect the power light board cable from the power light board 2 Remove the screws that secure the power light board to the palm rest assembly 33 3 Liftthe power light board off the palm rest assembly 1 screws 2 2 latch 3 power light board cable 4 power light board 34 Replacing the Power Status Light 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 ins
27. ystem board 1 screws 2 2 processor fan 3 processor fan cable 4 mylar tape 37 Replacing the Processor 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 Connect the processor fan cable to the system board and adhere the mylar tape 2 Align the screw holes on the processor fan with the screw holes on the system board 3 Replace the screws that secure the processor fan to the system board 4 Route the display cable and connect it to the system board Post requisites 1 Replace the battery 2 Replace the base cover 38 Removing the Video Card 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 Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Disconnect the antenna cables from the wireless card 39 2 Note t
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