System Board - HP Presario CQ56-100 - Notebook PC Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes UMA graphics subsystem memory and
replacement thermal material.
Description
PCA UMA system board (AMD)
PCA UMA system board (Intel)
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
●
Fan/heat sink assembly (see
● Processor (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 unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the following components:
a. Battery (see
b. Hard drive module (see
c. WLAN module (see
d. Memory module (see
e. Optical drive (see
f. Keyboard (see
g. Top cover (see
h. Display assembly (see
i. Fan/heat sink assembly (see
j. Processor (see
66 Chapter 4 Removal and replacement procedures
RTC battery on page
Memory module on page
WLAN module on page
Fan/heat sink assembly on page
Processor on page 75
Battery on page 36)
Hard drive on page
WLAN module on page
Memory module on page
Optical drive on page
Keyboard on page
Top cover on page
Display assembly on page
Fan/heat sink assembly on page
Processor on page 75
69)
44)
42)
37)
42)
44)
39)
46)
49)
59)
Spare part number
623915-001
623909-001
71)
71)