HP Presario CQ41-100 Compaq Presario CQ41 Notebook PC - Maintenance and Servic - Page 87

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 System board for models with discrete graphics subsystems System board for models with UMA graphics subsystems Spare part number 573719-001 573720-001 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 4-7). 5. Remove the following components: a. Hard drive (see "Hard drive" on page 4-8) b. Memory module (see "Memory module" on page 4-10) c. RTC battery (see "RTC battery" on page 4-12) d. WLAN module (see "WLAN module" on page 4-14) e. Optical drive (see "Optical drive" on page 4-20) f. Keyboard (see "Keyboard" on page 4-21) g. Keyboard cover (see "Keyboard cover" on page 4-24) h. Speaker assembly (see "Speaker assembly" on page 4-26) i. Display assembly (see "Display assembly" on page 4-28) j. Top cover (see "Top cover" on page 4-36) 4-48 Maintenance and Service Guide

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4–48
Maintenance and Service Guide
Removal and replacement procedures
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 4-7
).
5. Remove the following components:
a.
Hard drive (see
“Hard drive” on page 4-8
)
b.
Memory module (see
“Memory module” on page 4-10
)
c.
RTC battery (see
“RTC battery” on page 4-12
)
d.
WLAN module (see
“WLAN module” on page 4-14
)
e.
Optical drive (see
“Optical drive” on page 4-20
)
f.
Keyboard (see
“Keyboard” on page 4-21
)
g.
Keyboard cover (see
“Keyboard cover” on page 4-24
)
h.
Speaker assembly (see
“Speaker assembly” on page 4-26
)
i.
Display assembly (see
“Display assembly” on page 4-28
)
j.
Top cover (see
“Top cover” on page 4-36
)
Description
Spare part number
System board for models with discrete graphics subsystems
573719-001
System board for models with UMA graphics subsystems
573720-001