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Dell 3521, 5521 manual Replacing the I/O Board

Models: 5521 3521

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44 Replacing the I/O Board

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Dell 3521, 5521 manual Replacing the I/O Board

Contents

Dell Inspiron 3521/5521 Owner’s ManualComputer model Inspiron 3521/5521 Regulatory model P28F Regulatory type P28F0012012 Notes, Cautions, and Warnings2012 Dell Inc Contents 15 Removing the Wireless Mini-Card 16 Replacing the Wireless Mini-CardEntering the Service Tag in system setup 19 Removing the System Board21 Removing the Coin-Cell Battery 22 Replacing the Coin-Cell Battery29 Removing the Display Assembly 30 Replacing the Display Assembly31 Removing the Display Bezel Safety Instructions Before You BeginTurn Off Your Computer and Connected Devices WindowsRecommended Tools After Working Inside Your Computer 10 After Working Inside Your Computer Removing the Battery Procedure12 Removing the Battery Procedure Replacing the BatteryPostrequisites 14 Replacing the Battery Removing the Memory Modules PrerequisitesProcedure 1 captive screw4 Remove the memory module from the memory-module connector 2 memory-module connector16 Removing the Memory Modules 1 securing clipsPostrequisites Replacing the Memory ModulesProcedure 18 Replacing the Memory Modules Removing the Optical-Drive Assembly Procedureoptical-drive assembly Prerequisites4 Remove the optical-drive bracket from the optical-drive assembly 20 Removing 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 24 Removing the Hard-Drive Assembly 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 Removing the Keyboard ProcedurePrerequisites plastic scribe4 Turn the keyboard over and place it on the palm-rest assembly 6 Lift the keyboard off the palm-rest assemblyconnector latch 28 Removing the KeyboardPostrequisites Replacing the KeyboardProcedure 30 Replacing the Keyboard Removing the Palm-Rest ProcedurePrerequisites 1 screwspower-button cable 3 connector latches3 Turn the computer over and open the display as far as possible 32 Removing the Palm-Rest5 Remove the screws that secure the palm-rest to the system board 7 Lift the palm-rest off the computer baseRemoving the Palm-Rest screws34 Removing the Palm-Rest Postrequisites Replacing the Palm-RestProcedure 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 PrerequisitesProcedure 1 Remove the screw that secures the I/O board to the computer base3 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 Removing the System Board PrerequisitesProcedure power-adapter-port cabledisplay cable tape4 Remove the screw that secures the system board to the computer base 5 Lift the system board off the computer baseRemoving the System Board system board48 Removing the System Board Entering the Service Tag in system setup Replacing the System BoardProcedure Postrequisites50 Replacing the System Board Removing the Coin-Cell Battery PrerequisitesProcedure 52 Removing the Coin-Cell Batterycoin-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 Removing the Heat-Sink PrerequisitesProcedure 3 Lift the heat-sink off the system board56 Removing the Heat-Sink screwPostrequisites Replacing the Heat-SinkProcedure 58 Replacing the Heat-Sink Removing the Fan Prerequisites3 fan cable Procedurescrew Postrequisites Replacing the FanProcedure 62 Replacing the Fan Removing the Speakers PrerequisitesProcedure 2 Lift and remove the LED silicon tubes off the computer base64 Removing the Speakers tapespeaker cable routing speakers66 Removing the Speakers Postrequisites Replacing the SpeakersProcedure 68 Replacing the Speakers Removing the Display Assembly PrerequisitesProcedure 70 Removing the Display Assemblywireless 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 Removing the Display Bezel PrerequisitesProcedure 3 Remove the display bezel off the display back-cover76 Removing the Display Bezel 1 hinge coversPostrequisites Replacing the Display BezelProcedure 78 Replacing the Display Bezel Removing the Display Hinges PrerequisitesProcedure 2 Lift the display hinges off the display back-cover80 Removing the Display Hinges screwsPostrequisites Replacing the Display HingesProcedure 82 Replacing the Display Hinges Removing the Display Panel PrerequisitesProcedure 2 Gently lift the display panel and turn it over84 Removing the Display Panel display back-cover3 Peel the tape that is adhered over the display cable Removing the Display Paneldisplay cable tape86 Removing the Display Panel Postrequisites Replacing the Display PanelProcedure 88 Replacing the Display Panel Removing the Camera Module PrerequisitesProcedure screwcamera module tapePostrequisites Replacing the Camera ModuleProcedure 92 Replacing the Camera Module Flashing the BIOS 94 Flashing the BIOS