System Board - HP 540 Maintenance And Service Manual

System board

NOTE: All system board spare part kits include the ExpressCard assembly.
NOTE: All system board spare part kits include replacement thermal material. Replacement thermal
material is also available in the Thermal Material Kit, spare part numbers 456605-001 and 456606-001.
Description
For use only with computer models equipped with Intel Core2 Duo processors and UMA graphics
subsystem
For use only with computer models equipped with Intel Celeron M processors and UMA graphics
subsystem
For use only with computer models equipped with discrete graphics subsystem
For use only with computer models equipped with discrete graphics subsystem
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Hard drive (see
b. Optical drive (see
c. Keyboard (see
d. Switch cover (see
e. Speaker (see
f. Display lid switch module (see
g. Display assembly (see
h. Top cover (see
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
Memory module (see
● WLAN module (see
●
Processor (see
66 Chapter 4 Removal and replacement procedures
Battery on page
Hard drive on page
Optical drive on page
Switch cover and keyboard on page
Switch cover and keyboard on page
Speaker on page 51)
Display lid switch module on page
Display assembly on page
Top cover on page
Memory module on page
WLAN module on page
Processor on page 74)
37).
38)
45)
47)
47)
53)
58)
43)
40)
Spare part number
495410-001
495395-001
509115-001
509116-001
52)