Dell LATITUDE D400 User Manual download pdf (Page 39)

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System Board

Removing the System Board

Replacing the System Board

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Removing the System Board

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The system board's BIOS chip contains the Service Tag, which is also visible on a bar code label on the bottom of the computer. The replacement kit for the

system board may include a CD that provides a utility for transferring the Service Tag to the replacement system board.

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1. Follow the instructions in "Preparing to Work Inside the Computer" to remove the battery and prepare the computer for work.

2. Remove any installed memory modules, smart card, modem, or PC Card.

3. Remove the hard drive.

4. Remove the keyboard.

5. Remove the display.

6. Remove the palm rest.

7. If the system board has a removable BIOS chip, remove the M2 x 5-mm screw and lift the BIOS chip from the system board.

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8. Disconnect the smart card cable from the system board.

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CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such

as the back panel) on the computer.

M2 x 5-mm screw

1428U

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Dell LATITUDE D400 User Manual Page 39

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