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Dell 5521, 3521 manual Removing the Coin-Cell Battery, Replacing the Coin-Cell Battery, Contents

Models: 5521 3521

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21 Removing the Coin-Cell Battery	51
Prerequisites	51
Procedure	52
22 Replacing the Coin-Cell Battery	53
Procedure	53
Postrequisites	53
23 Removing the Heat-Sink	55
Prerequisites	55
Procedure	56
24 Replacing the Heat-Sink	57
Procedure	57
Postrequisites	57
25 Removing the Fan	59
Prerequisites	59
Procedure	60
26 Replacing the Fan	61
Procedure	61
Postrequisites	61
27 Removing the Speakers	63
Prerequisites	63
Procedure	64
28 Replacing the Speakers	67
Procedure	67
Postrequisites	67
29 Removing the Display Assembly	69
Prerequisites	69
Procedure	70
30 Replacing the Display Assembly	73
Procedure	73
Postrequisites	73

Contents 5

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Dell 5521, 3521 Removing the Coin-Cell Battery, Replacing the Coin-Cell Battery, Removing the Display Assembly, Contents

Contents

Owner’s Manual Dell Inspiron 3521/5521Computer model Inspiron 3521/5521 Regulatory model P28F Regulatory type P28F0012012 Notes, Cautions, and Warnings2012 Dell Inc Contents 16 Replacing the Wireless Mini-Card 15 Removing the Wireless Mini-CardEntering the Service Tag in system setup 19 Removing the System Board22 Replacing the Coin-Cell Battery 21 Removing the Coin-Cell Battery29 Removing the Display Assembly 30 Replacing the Display Assembly31 Removing the Display Bezel Before You Begin Safety InstructionsTurn Off Your Computer and Connected Devices WindowsRecommended Tools After Working Inside Your Computer 10 After Working Inside Your Computer Procedure Removing the Battery12 Removing the Battery Procedure Replacing the BatteryPostrequisites 14 Replacing the Battery Prerequisites Removing the Memory ModulesProcedure 1 captive screw2 memory-module connector 4 Remove the memory module from the memory-module connector16 Removing the Memory Modules 1 securing clipsPostrequisites Replacing the Memory ModulesProcedure 18 Replacing the Memory Modules Procedure Removing the Optical-Drive Assemblyoptical-drive assembly Prerequisites20 Removing the Optical-Drive Assembly 4 Remove the optical-drive bracket from the optical-drive assemblyoptical-drive bezel optical drivePostrequisites Replacing the Optical-Drive AssemblyProcedure 22 Replacing the Optical-Drive Assembly Prerequisites Removing the Hard-Drive AssemblyProcedure hard-drive assembly 24 Removing the Hard-Drive Assembly5 Lift the hard-drive bracket off the hard drive pull-tabPostrequisites Replacing the Hard-Drive AssemblyProcedure 26 Replacing the Hard-Drive Assembly Procedure Removing the KeyboardPrerequisites plastic scribe6 Lift the keyboard off the palm-rest assembly 4 Turn the keyboard over and place it on the palm-rest assemblyconnector latch 28 Removing the KeyboardPostrequisites Replacing the KeyboardProcedure 30 Replacing the Keyboard Procedure Removing the Palm-RestPrerequisites 1 screws3 connector latches power-button cable3 Turn the computer over and open the display as far as possible 32 Removing the Palm-Rest7 Lift the palm-rest off the computer base 5 Remove the screws that secure the palm-rest to the system boardRemoving the Palm-Rest screws34 Removing the Palm-Rest Postrequisites Replacing the Palm-RestProcedure 36 Replacing the Palm-Rest Prerequisites Removing the Wireless Mini-Card38 Removing the Wireless Mini-Card ProcedureProcedure Replacing the Wireless Mini-Card1 Replace the palm-rest. See Replacing the Palm-Rest on page PostrequisitesPrerequisites Removing the I/O Board1 Remove the screw that secures the I/O board to the computer base Procedure3 Gently lift and remove the I/O board off the computer base 42 Removing the I/O BoardPostrequisites Replacing the I/O BoardProcedure 44 Replacing the I/O Board Prerequisites Removing the System Boardpower-adapter-port cable Proceduredisplay cable tape5 Lift the system board off the computer base 4 Remove the screw that secures the system board to the computer baseRemoving the System Board system board48 Removing the System Board Replacing the System Board Entering the Service Tag in system setupProcedure Postrequisites50 Replacing the System Board Prerequisites Removing the Coin-Cell Battery52 Removing the Coin-Cell Battery Procedurecoin-cell battery 1 Turn the system board over and place it on a flat surfacePostrequisites Replacing the Coin-Cell BatteryProcedure 54 Replacing the Coin-Cell Battery Prerequisites Removing the Heat-Sink3 Lift the heat-sink off the system board Procedure56 Removing the Heat-Sink screwPostrequisites Replacing the Heat-SinkProcedure 58 Replacing the Heat-Sink Prerequisites Removing the Fan3 fan cable Procedurescrew Postrequisites Replacing the FanProcedure 62 Replacing the Fan Prerequisites Removing the Speakers2 Lift and remove the LED silicon tubes off the computer base Procedure64 Removing the Speakers tapespeakers speaker cable routing66 Removing the Speakers Postrequisites Replacing the SpeakersProcedure 68 Replacing the Speakers Prerequisites Removing the Display Assembly70 Removing the Display Assembly Procedurewireless mini-card cables 1 Peel the tape that secures the display cable to the system boardscrews display assembly3 power adapter-port cable 72 Removing the Display Assembly Postrequisites Replacing the Display AssemblyProcedure 74 Replacing the Display Assembly Prerequisites Removing the Display Bezel3 Remove the display bezel off the display back-cover Procedure76 Removing the Display Bezel 1 hinge coversPostrequisites Replacing the Display BezelProcedure 78 Replacing the Display Bezel Prerequisites Removing the Display Hinges2 Lift the display hinges off the display back-cover Procedure80 Removing the Display Hinges screwsPostrequisites Replacing the Display HingesProcedure 82 Replacing the Display Hinges Prerequisites Removing the Display Panel2 Gently lift the display panel and turn it over Procedure84 Removing the Display Panel display back-coverRemoving the Display Panel 3 Peel the tape that is adhered over the display cabledisplay cable tape86 Removing the Display Panel Postrequisites Replacing the Display PanelProcedure 88 Replacing the Display Panel Prerequisites Removing the Camera Modulescrew Procedurecamera module tapePostrequisites Replacing the Camera ModuleProcedure 92 Replacing the Camera Module Flashing the BIOS 94 Flashing the BIOS