Dell Precision M40 Manual de serviço - Página 21
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The system board's BIOS chip contains the system service tag number, which is also visible on a bar-code label on the bottom of the computer.
The replacement kit for the system board assembly includes a diskette or CD that provides a utility for transferring the service tag number to the replacement
system board assembly.
NOTICE:
If you received a flash BIOS update program diskette or CD with the replacement microprocessor, you must update the BIOS after replacing
the microprocessor module. For instructions on updating or reflashing the BIOS, see the Dell Portable Computer BIOS Update Guide.
Removing the System Board
1. Follow the instructions in
"Preparing to Work Inside the
2. Remove the hard drive and the
3. Remove any installed
Mini PCI
4. If migrating the memory, remove all installed
5. Remove the
keyboard.
6. Remove the
hinge
cover.
7. Remove the
display
assembly.
8. Remove the
palmrest
assembly.
9. Remove the
video graphics
10. Remove the
microprocessor thermal cooling
11. If migrating the microprocessor, remove the
12. Remove the three 4-mm captive-washer screws from the system board.
13. Remove the 20-mm screw from the center of the LED board.
14. Lift the front of the system board and work it out of the back panel.
System Board
Computer."
fixed optical
drive.
Cards.
memory
modules.
board.
assembly.
microprocessor
module.