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Dell 5420, 7420 owner manual Contents

Models: 7420 5420

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Flashing the Bios Removing the Display Assembly Removing the Battery Procedure Replacing the Switch

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Dell 5420, 7420 owner manual Contents

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Contents

Dell Inspiron 14R Rev. A00 Contents Removing the Memory Modules Removing the Power-Adapter Port Removing the Display Bezel Removing the System Board Contents Before You Begin Turn Off Your Computer and Connected Devices Recommended Tools After Working Inside Your Computer After Working Inside Your Computer Removing the Switch Procedure Removing the Switch Replacing the Switch Replacing the Switch Removing the Battery Removing the Battery Replacing the Battery Replacing the Battery Removing the Keyboard Procedure Page Removing the Keyboard Replacing the Keyboard Postrequisites Replacing the Keyboard Removing the Base Cover Removing the Base Cover Replacing the Base Cover Replacing the Base Cover Removing the Memory Modules Removing the Memory Modules Replacing the Memory Modules Postrequisites Removing the Hard Drive Hard-drive assembly Removing the Hard Drive Page Removing the Hard Drive Replacing the Hard Drive Replacing the Hard Drive Removing the Optical Drive Page Replacing the Optical Drive Replacing the Optical Drive Removing the Palm Rest Page Page Removing the Palm Rest Replacing the Palm Rest Replacing the Palm Rest Removing the Mini-Card Page Replacing the Mini-Card Postrequisites Removing the Power-Adapter Port Removing the Power-Adapter Port Replacing the Power-Adapter Port Replacing the Power-Adapter Port Removing the Coin-Cell Battery Procedure Replacing the Coin-Cell Battery Replacing the Coin-Cell Battery Removing the Fan Removing the Fan Replacing the Fan Replacing the Fan Removing the Speakers Removing the Speakers Replacing the Speakers Replacing the Speakers Removing the Display Assembly Page Page Removing the Display Assembly Replacing the Display Assembly Replacing the Display Assembly Removing the Display Bezel Removing the Display Bezel Replacing the Display Bezel Replacing the Display Bezel Removing the Display Panel Page Replacing the Display Panel Replacing the Display Panel Removing the Display Hinges Page Replacing the Display Hinges Replacing the Display Hinges Removing the Camera Module Page Page Removing the Camera Module Replacing the Camera Module Replacing the Camera Module Removing the Processor Procedure Replacing the Processor Page Removing the System Board Procedure 101 Removing the System Board Replacing the System Board Entering the Service Tag in the Bios Removing the Processor Heat-Sink Procedure Replacing the Processor Heat-Sink Replacing the Processor Heat-Sink Flashing the Bios Flashing the Bios

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