Dell 1457, 1458 manual Back to Contents

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2. Turn off your computer (see Turning Off Your Computer) and all attached devices.

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

3.Disconnect all telephone or network cables from the computer.

4.Press and eject any installed cards from the ExpressCard slot or the 8-in--1 Media Card Reader.

5.Disconnect your computer and all attached devices from their electrical outlets.

6.Disconnect all attached devices from your computer.

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the computer.

7.Remove the battery (see Removing the Battery).

8.Turn the computer top-side up, open the display, and press the power button to ground the system board.

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Contents Page Board Removing the I/O BoardReplacing the I/O Board Back to Contents Battery Removing the BatteryReplacing the Battery Turning Off Your Computer Before You BeginRecommended Tools Before Working Inside Your ComputerBack to Contents Flashing the Bios Flashing the Bios From a CDFlashing the Bios From the Hard Drive Back to Contents Removing the Bluetooth Card Internal Module With Bluetooth Wireless TechnologyBluetooth Card Replacing the Bluetooth CardBluetooth Board Removing the Bluetooth BoardReplacing the Bluetooth Board Camera Module Removing the Camera ModuleReplacing the Camera Module Back to Contents Coin-Cell Battery Removing the Coin-Cell BatteryReplacing the Coin-Cell Battery Base Cover Removing the Base CoverReplacing the Base Cover Back to Contents Processor Removing the ProcessorReplacing the Processor Back to Contents Processor Heat Sink Assembly Removing the Processor Heat Sink AssemblyReplacing the Processor Heat Sink Assembly Back to Contents Display Assembly Removing the Display AssemblyDisplay Replacing the Display Assembly Display BezelRemoving the Display Bezel Display Panel Replacing the Display BezelRemoving the Display Panel Display Panel Bracket Replacing the Display PanelRemoving the Display Panel Bracket Replacing the Display Panel BracketHard Drive Removing the Hard DriveReplacing the Hard Drive Back to Contents Keyboard Removing the KeyboardReplacing the Keyboard Back to Contents Memory Removing the Memory ModulesReplacing the Memory Modules Back to Contents Wireless Mini-Cards Removing the Mini-CardReplacing the Mini-Card Wlan 2 or 3 antenna cablesBack to Contents Optical Drive Removing the Optical DriveReplacing the Optical Drive Palm Rest Removing the Palm RestPage Replacing the Palm Rest Speaker Module Removing the Speaker ModuleReplacing the Speaker Module Back to Contents System Board Removing the System BoardReplacing the System Board Entering the Service Tag in the Bios Wwan Module Removing the Wwan ModuleReplacing the Wwan Module

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