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Dell 3521, 5521 manual Replacing the Keyboard

Models: 5521 3521

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30 Replacing the Keyboard

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Dell 3521, 5521 manual Replacing the Keyboard

Contents

Computer model Inspiron 3521/5521 Regulatory model P28F Dell Inspiron 3521/5521Owner’s Manual Regulatory type P28F001Notes, Cautions, and Warnings 2012 Dell Inc2012 Contents Entering the Service Tag in system setup 15 Removing the Wireless Mini-Card16 Replacing the Wireless Mini-Card 19 Removing the System Board29 Removing the Display Assembly 21 Removing the Coin-Cell Battery22 Replacing the Coin-Cell Battery 30 Replacing the Display Assembly31 Removing the Display Bezel Turn Off Your Computer and Connected Devices Safety InstructionsBefore You Begin WindowsRecommended Tools After Working Inside Your Computer 10 After Working Inside Your Computer Removing the Battery Procedure12 Removing the Battery Replacing the Battery PostrequisitesProcedure 14 Replacing the Battery Procedure Removing the Memory ModulesPrerequisites 1 captive screw16 Removing the Memory Modules 4 Remove the memory module from the memory-module connector2 memory-module connector 1 securing clipsReplacing the Memory Modules ProcedurePostrequisites 18 Replacing the Memory Modules optical-drive assembly Removing the Optical-Drive AssemblyProcedure Prerequisitesoptical-drive bezel 4 Remove the optical-drive bracket from the optical-drive assembly20 Removing the Optical-Drive Assembly optical driveReplacing the Optical-Drive Assembly ProcedurePostrequisites 22 Replacing the Optical-Drive Assembly Removing the Hard-Drive Assembly ProcedurePrerequisites 5 Lift the hard-drive bracket off the hard drive 24 Removing the Hard-Drive Assemblyhard-drive assembly pull-tabReplacing the Hard-Drive Assembly ProcedurePostrequisites 26 Replacing the Hard-Drive Assembly Prerequisites Removing the KeyboardProcedure plastic scribeconnector latch 4 Turn the keyboard over and place it on the palm-rest assembly6 Lift the keyboard off the palm-rest assembly 28 Removing the KeyboardReplacing the Keyboard ProcedurePostrequisites 30 Replacing the Keyboard Prerequisites Removing the Palm-RestProcedure 1 screws3 Turn the computer over and open the display as far as possible power-button cable3 connector latches 32 Removing the Palm-RestRemoving the Palm-Rest 5 Remove the screws that secure the palm-rest to the system board7 Lift the palm-rest off the computer base screws34 Removing the Palm-Rest Replacing the Palm-Rest ProcedurePostrequisites 36 Replacing the Palm-Rest Removing the Wireless Mini-Card PrerequisitesProcedure 38 Removing the Wireless Mini-CardReplacing the Wireless Mini-Card ProcedurePostrequisites 1 Replace the palm-rest. See Replacing the Palm-Rest on pageRemoving the I/O Board Prerequisites3 Gently lift and remove the I/O board off the computer base Procedure1 Remove the screw that secures the I/O board to the computer base 42 Removing the I/O BoardReplacing the I/O Board ProcedurePostrequisites 44 Replacing the I/O Board Removing the System Board Prerequisitesdisplay cable Procedurepower-adapter-port cable tapeRemoving the System Board 4 Remove the screw that secures the system board to the computer base5 Lift the system board off the computer base system board48 Removing the System Board Procedure Entering the Service Tag in system setupReplacing the System Board Postrequisites50 Replacing the System Board Removing the Coin-Cell Battery Prerequisitescoin-cell battery Procedure52 Removing the Coin-Cell Battery 1 Turn the system board over and place it on a flat surfaceReplacing the Coin-Cell Battery ProcedurePostrequisites 54 Replacing the Coin-Cell Battery Removing the Heat-Sink Prerequisites56 Removing the Heat-Sink Procedure3 Lift the heat-sink off the system board screwReplacing the Heat-Sink ProcedurePostrequisites 58 Replacing the Heat-Sink Removing the Fan PrerequisitesProcedure screw3 fan cable Replacing the Fan ProcedurePostrequisites 62 Replacing the Fan Removing the Speakers Prerequisites64 Removing the Speakers Procedure2 Lift and remove the LED silicon tubes off the computer base tapespeaker cable routing speakers66 Removing the Speakers Replacing the Speakers ProcedurePostrequisites 68 Replacing the Speakers Removing the Display Assembly Prerequisiteswireless mini-card cables Procedure70 Removing the Display Assembly 1 Peel the tape that secures the display cable to the system boarddisplay assembly 3 power adapter-port cablescrews 72 Removing the Display Assembly Replacing the Display Assembly ProcedurePostrequisites 74 Replacing the Display Assembly Removing the Display Bezel Prerequisites76 Removing the Display Bezel Procedure3 Remove the display bezel off the display back-cover 1 hinge coversReplacing the Display Bezel ProcedurePostrequisites 78 Replacing the Display Bezel Removing the Display Hinges Prerequisites80 Removing the Display Hinges Procedure2 Lift the display hinges off the display back-cover screwsReplacing the Display Hinges ProcedurePostrequisites 82 Replacing the Display Hinges Removing the Display Panel Prerequisites84 Removing the Display Panel Procedure2 Gently lift the display panel and turn it over display back-coverdisplay cable 3 Peel the tape that is adhered over the display cableRemoving the Display Panel tape86 Removing the Display Panel Replacing the Display Panel ProcedurePostrequisites 88 Replacing the Display Panel Removing the Camera Module Prerequisitescamera module Procedurescrew tapeReplacing the Camera Module ProcedurePostrequisites 92 Replacing the Camera Module Flashing the BIOS 94 Flashing the BIOS