System board, Removing the system board – Dell Latitude D620 User Manual
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System Board
Dell™ Latitude™ D620 Service Manual
Removing the System Board
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 Computer
.
2.
Remove the hinge cover (see
Hinge Cover
).
3.
Remove the keyboard (see
Keyboard
).
4.
Remove the display assembly (see
Display Assembly
).
5.
Remove the hard drive (see
Hard Drive
).
6.
Remove the optical drive (see
Media Bay Devices
).
7.
Remove the memory module (see
Memory
).
8.
Remove and installed wireless communications cards (see
Communications Cards
).
9.
Remove the palm rest (see
Palm Rest
).
10.
Remove the modem (see
Modem
).
11.
Remove the speaker (see
Speaker
).
12.
Remove the PC Card reader (see
PC Card Reader
).
13.
Remove the processor thermal-cooling assembly (see
Processor Thermal-Cooling Assembly
).
14.
Remove the processor (see
Processor Module
).
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.
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.