System Board - HP Pavilion DM4t-1100 Maintenance And Service Manual

System board

NOTE:
All system board kits include replacement thermal material.
Description
System board for use in models with 1 GB of discrete graphics memory
System board for use in models with 512 MB of discrete graphics memory
System board for use in models with UMA graphics
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:
SIM (see
●
RTC battery (see
●
Memory modules (see
●
WLAN module (see
●
WWAN module (see
●
● Fan/heat sink assembly (see
Processor (see
●
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. WLAN module (see
c.
WWAN module (see
d. Optical drive (see
e. Keyboard (see
f. Top cover (see
g.
Speaker assembly (see
h. Display assembly (see
SIM on page 43)
RTC battery on page
Memory module on page
WLAN module on page
WWAN module on page
Fan/heat sink assembly on page
Processor on page
Battery on page
Hard drive on page
WLAN module on page
WWAN module on page
Optical drive on page
Keyboard on page
Top cover on page
Speaker assembly on page
Display assembly on page
46)
44)
47)
52)
86)
42).
54)
47)
52)
56)
58)
60)
77)
66)
Component replacement procedures
Spare part number
616244-001
608203-001
608204-001
81)
79