Dell Precision M20 서비스 매뉴얼 - 페이지 35
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System Board
Dell Precision™ M20 Service Manual
Removing the System Board
Installing the System Board
Removing the System Board
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the Product 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.
The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the
system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board.
NOTICE:
Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
1. Follow the instructions in
"Preparing to Work Inside the
2. Remove the
center control
cover.
3. Remove the keyboard.
4. Remove the
display
assembly.
5. Remove the
palm
rest.
6. Remove the fan.
7. Remove the
microprocessor thermal-cooling
8. Remove the microprocessor.
9. Remove the
speaker
assembly.
10. Remove the
internal card with Bluetooth® wireless
11. Remove the four M2 x 3-mm screws that secure the PCMCIA card cage to the system board.
Computer."
assembly.
technology.