HP Presario CQ35-100 Compaq Presario CQ35 Notebook PC - Maintenance and Servic - Page 77

System board, WLAN module see

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Removal and replacement procedures System board ✎ The system board spare part kit includes replacement thermal material. Description For use only with computer models equipped with graphics subsystems with discrete memory For use only with computer models equipped with graphics subsystems with UMA memory Spare part number 538765-001 538766-001 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 "Battery" on page 6). 5. Remove the following components: a. Hard drive (see "Hard drive" on page 8) b. Memory module (see "Memory module" on page 10) c. WLAN module (see "WLAN module" on page 11) d. Optical drive (see "Optical drive" on page 16) e. Keyboard (see "Keyboard" on page 18) f. Keyboard cover (see "Keyboard cover" on page 20) g. Right speaker (see "Right speaker" on page 22) h. Top cover (see "Top cover" on page 23). i. Left speaker (see "Left speaker" on page 28) j. Display assembly (see "Display assembly" on page 29). 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: ■ RTC battery (see "RTC battery" on page 15) ■ Heat sink (see "Fan/heat sink assembly" on page 44) ■ Processor (see "Processor" on page 49) Maintenance and Service Guide 4-41

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Removal and replacement procedures
Maintenance and Service Guide
4–41
System board
✎
The system board spare part kit includes replacement thermal material.
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
“Battery” on page 6
).
5. Remove the following components:
a.
Hard drive (see
“Hard drive” on page 8
)
b.
Memory module (see
“Memory module” on page 10
)
c.
WLAN module (see
“WLAN module” on page 11
)
d.
Optical drive (see
“Optical drive” on page 16
)
e.
Keyboard (see
“Keyboard” on page 18
)
f.
Keyboard cover (see
“Keyboard cover” on page 20
)
g.
Right speaker (see
“Right speaker” on page 22
)
h.
Top cover (see
“Top cover” on page 23
).
i.
Left speaker (see
“Left speaker” on page 28
)
j.
Display assembly (see
“Display assembly” on page 29
).
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:
■
RTC battery (see
“RTC battery” on page 15
)
■
Heat sink (see
“Fan/heat sink assembly” on page 44
)
■
Processor (see
“Processor” on page 49
)
Description
Spare part number
For use only with computer models equipped with graphics subsystems with
discrete memory
538765-001
For use only with computer models equipped with graphics subsystems with
UMA memory
538766-001