HP Tx2635us HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 70

System board

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Reverse this procedure to install the Bluetooth module. System board Description System board (includes replacement thermal material) Spare part number 480850-001 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: ● Memory module (see Memory module on page 44) ● WLAN module (see WLAN module on page 46) ● RTC battery (see RTC battery on page 58) ● Bluetooth module (see Bluetooth module on page 61) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 68) ● Processor (see Processor on page 70) 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 cord. 4. Remove the battery (see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Memory module compartment cover (see Memory module on page 44) c. Optical drive (see Optical drive on page 43) d. Keyboard (see Keyboard on page 49) e. Switch cover (see Switch cover on page 51) f. Display assembly (see Display assembly on page 53) g. Top cover (see Top cover on page 56) h. Power switch assembly (see Power switch assembly on page 59) Remove the system board: 1. Press in on the ExpressCard slot bezel (1) to release the bezel from the ExpressCard slot. 62 Chapter 4 Removal and replacement procedures

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Reverse this procedure to install the Bluetooth module.
System board
Description
Spare part number
System board (includes replacement thermal material)
480850-001
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:
●
Memory module (see
Memory module
on page
44
)
●
WLAN module (see
WLAN module
on page
46
)
●
RTC battery (see
RTC battery
on page
58
)
●
Bluetooth module (see
Bluetooth module
on page
61
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
68
)
●
Processor (see
Processor
on page
70
)
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 cord.
4.
Remove the battery (see
Battery
on page
39
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
41
)
b.
Memory module compartment cover (see
Memory module
on page
44
)
c.
Optical drive (see
Optical drive
on page
43
)
d.
Keyboard (see
Keyboard
on page
49
)
e.
Switch cover (see
Switch cover
on page
51
)
f.
Display assembly (see
Display assembly
on page
53
)
g.
Top cover (see
Top cover
on page
56
)
h.
Power switch assembly (see
Power switch assembly
on page
59
)
Remove the system board:
1.
Press in on the ExpressCard slot bezel
(1)
to release the bezel from the ExpressCard slot.
62
Chapter 4
Removal and replacement procedures