System Board - HP 4310s - ProBook - Core 2 Duo 2.1 GHz Maintenance And Service Manual

System board

✎
The system board spare part kit includes replacement thermal material.
Description
PM45 system board for use only on computer models equipped with graphics subsystems with discrete memory:
■ For use only on computer models equipped with WWAN capability
■ For use only on computer models not equipped with WWAN capability
GM45 system board for use only on computer models equipped with graphics subsystems with UMA memory:
■ For use only on computer models equipped with WWAN capability
■ For use only on computer models not equipped with WWAN capability
GL40 system board for use only on computer models equipped with graphics subsystems with UMA memory:
■ For use only on computer models equipped with WWAN capability
■ For use only on computer models not equipped with WWAN capability
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. Memory/wireless module compartment cover (see
c. Optical drive (see
d. Keyboard and switch cover (see
e. Palm rest (see
f. Display assembly (see
g. Top cover (see
When replacing the system board, be sure that the following additional components are removed from the defective
system board and installed on the replacement system board:
■
SIM (see "SIM" on page
■
WLAN module (see
■
Memory modules (see
■
WWAN module (see
■
Modem module (see
■
Fan and heat sink (see
■
RTC battery (see
■
Processor (see
Maintenance and Service Guide
"Battery" on page
"Hard drive" on page
"Optical drive" on page
"Keyboard and switch cover" on page
"Palm rest" on page 4-25)
"Display assembly" on page
"Top cover" on page
4-8)
"WLAN module" on page
"Memory module" on page
"WWAN module" on page
"Modem module" on page
"Fan and heat sink" on page
"RTC battery" on page
"Processor" on page 4-55)
4-7).
4-9)
"WLAN module" on page
4-18)
4-27)
4-36)
4-12)
4-16)
4-17)
4-42)
4-51)
4-54)
Removal and replacement procedures
Spare part number
577223-001
577222-001
577225-001
577224-001
577221-001
577220-001
4-12)
4-20)
4–47