HP Presario CQ60-100 HP G60 Notebook PC & Compaq Presario CQ60 Notebook PC - Page 75

System board, Power button board see

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Removal and replacement procedures System board ✎ All system board spare part kits include UMA or discrete graphics subsystem memory, built-in modem, and replacement thermal material. Description Spare part number UMA system board, GM45 (includes built-in modem, Digital Media Slot, HDMI port, and replacement thermal material) 485218-001 UMA system board, GM45 (includes built-in modem, Digital Media Slot, and replacement thermal 494281-001 material) UMA system board, GL40 (includes built-in modem, Digital Media Slot, and replacement thermal material) 494282-001 UMA system board, GL40 (includes built-in modem, Digital Media Slot, HDMI port, and replacement 485219-001 thermal material) UMA system board, GL40 (for Presario CQ60 only; includes built-in modem, and replacement thermal material) 501266-001 Discrete system board, PM45 (includes built-in modem, Digital Media Slot, HDMI port, and replacement thermal material) 488338-001 Discrete system board, PM45 (includes built-in modem, Digital Media Slot, and replacement thermal 494283-001 material) Optical extension board (not illustrated) 489127-001 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 4-6). 5. Remove the following components: a. Optical drive (see "Optical drive" on page 4-7) b. Hard drive (see "Hard drive" on page 4-9) c. Keyboard (see "Keyboard" on page 4-15) d. Keyboard cover (see "Keyboard cover" on page 4-17) e. Power button board (see "Power button board" on page 4-19) f. Display assembly (see "Display assembly" on page 4-20) g. Top cover (see "Top cover" on page 4-28) 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 "RTC battery" on page 4-11) ■ Memory module (see "Memory module" on page 4-12) ■ WLAN module (see "WLAN module" on page 4-13) ■ Fan/heat sink assembly (see "Fan/heat sink assembly" on page 4-40) ■ Processor (see "Processor" on page 4-43) Maintenance and Service Guide 4-37

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Removal and replacement procedures
Maintenance and Service Guide
4–37
System board
✎
All system board spare part kits include UMA or discrete graphics subsystem memory, built-in modem, and
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 4-6
).
5. Remove the following components:
a.
Optical drive (see
“Optical drive” on page 4-7
)
b.
Hard drive (see
“Hard drive” on page 4-9
)
c.
Keyboard (see
“Keyboard” on page 4-15
)
d.
Keyboard cover (see
“Keyboard cover” on page 4-17
)
e.
Power button board (see
“Power button board” on page 4-19
)
f.
Display assembly (see
“Display assembly” on page 4-20
)
g.
Top cover (see
“Top cover” on page 4-28
)
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
“RTC battery” on page 4-11
)
■
Memory module (see
“Memory module” on page 4-12
)
■
WLAN module (see
“WLAN module” on page 4-13
)
■
Fan/heat sink assembly (see
“Fan/heat sink assembly” on page 4-40
)
■
Processor (see
“Processor” on page 4-43
)
Description
Spare part number
UMA system board, GM45 (includes built-in modem, Digital Media Slot, HDMI port, and
replacement thermal material)
485218-001
UMA system board, GM45 (includes built-in modem, Digital Media Slot, and replacement thermal
material)
494281-001
UMA system board, GL40 (includes built-in modem, Digital Media Slot, and replacement thermal
material)
494282-001
UMA system board, GL40 (includes built-in modem, Digital Media Slot, HDMI port, and replacement
thermal material)
485219-001
UMA system board, GL40 (for Presario CQ60 only; includes built-in modem, and replacement
thermal material)
501266-001
Discrete system board, PM45 (includes built-in modem, Digital Media Slot, HDMI port, and
replacement thermal material)
488338-001
Discrete system board, PM45 (includes built-in modem, Digital Media Slot, and replacement thermal
material)
494283-001
Optical extension board (not illustrated)
489127-001