Dell Lalitude D620 Manuale di servizio - Pagina 36
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System Board
Dell™ Latitude™ D620 Service Manual
Removing the System Board
Installing the System Board
Removing the System Board
CAUTION:
Before performing the following procedures, follow the safety instructions in the Product Information Guide.
CAUTION:
To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface.
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.
1. Follow the instructions in
Before Working Inside Your
2. Remove the hinge cover (see
3. Remove the keyboard (see Keyboard).
4. Remove the display assembly (see
5. Remove the hard drive (see
6. Remove the optical drive (see
7. Remove the memory module (see Memory).
8. Remove and installed wireless communications cards (see
9. Remove the palm rest (see
10. Remove the modem (see Modem).
11. Remove the speaker (see Speaker).
12. Remove the PC Card reader (see
13. Remove the processor thermal-cooling assembly (see
14. Remove the processor (see
15. Remove the microphone (see Microphone.)
16. Disconnect the fan cable from the system board.
17. Disconnect the cables near the WLAN card and the modem connector from the system board.
18. Remove the three M2.5 x 5-mm system board screws from the bottom of the computer.
Computer.
Hinge
Cover).
Display
Assembly).
Hard
Drive).
Media Bay
Devices).
Communications
Palm
Rest).
PC Card
Reader).
Processor Thermal-Cooling
Processor
Module).
Cards).
Assembly).