System Board - HP G72 Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes UMA or discrete graphics subsystem memory and
replacement thermal material.
Description
HD 5430/1 G discrete system board with card reader 1.1 (for model 1.1 only)
HD 5430/512 MB discrete system board with card reader 1.1 (for model 1.1 only)
HD 5430/512 MB discrete system board with card reader (for model 1.0 only)
HD 5430/1 G discrete system board with card reader (for model 1.0 only)
HD UMA system board with card reader
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:
●
RTC battery (see
●
Memory modules (see
● WLAN module (see
●
Modem module (see
Before removing the system board:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting 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. WLAN module (see
d. Memory module (see
e. RTC battery (see
f. Keyboard (see
g. Top cover (see
h. Modem module (see
i. Display assembly (see
74 Chapter 4 Removal and replacement procedures
RTC battery on page 51)
Memory module on page
WLAN module on page
Modem module on page
Battery on page
Hard drive on page
Optical drive on page
WLAN module on page
Memory module on page
RTC battery on page
Keyboard on page 53)
Top cover on page 56)
Modem module on page
Display assembly on page
50)
47)
62)
41).
42)
45)
47)
50)
51)
62)
68)
Spare part number
615847-001
615848-001
629120-001
629121-001
629122-001