System Board - HP Dv7-2040us - Pavilion Entertainment - Core 2 Quad GHz Maintenance And Service Manual

Removal and replacement procedures

System board

✎
All system board spare kits include replacement thermal material.
Description
With discrete graphics subsystem and 1 GB of dedicated memory
With discrete graphics subsystem and 512 MB of dedicated memory
With UMA graphics subsystem and shared memory
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. Primary and secondary hard drive covers (see
b. Primary and secondary hard drives (see
c. Optical drive (see
d. Memory module (see
e. WLAN module (see
f. Switch cover and keyboard (see
g. Speaker assembly (see
h. Bluetooth module (see
i. Display assembly (see
j. 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:
■
TV tuner module (see
■
RTC battery (see
■
Memory modules (see
■
WLAN module (see
■
Bluetooth module (see
■
Modem module (see
■
Fan/heat sink assembly (see
■
Processor (see
4–40
"Battery" on page 4-7
"Optical drive" on page 4-8
"Memory module" on page 4-14
"WLAN module" on page 4-15
"Switch cover and keyboard" on page 4-21
"Speaker assembly" on page 4-26
"Bluetooth module" on page 4-27
"Display assembly" on page 4-28
"Top cover" on page 4-37
"TV tuner module" on page 4-20)
"RTC battery" on page 4-19
"Memory module" on page 4-14
"WLAN module" on page 4-15
"Bluetooth module" on page 4-27
"Modem module" on page 4-43
"Fan/heat sink assembly" on page 4-51
)
"Processor" on page 4-54
).
"Hard drive covers" on page 4-9
"Hard drive" on page 4-12
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Spare part number
574680-001
574681-001
574679-001
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Maintenance and Service Guide