HP Tx1220us HP Pavilion tx1000 Entertainment PC - Maintenance and Service Guid - Page 77

System board see, Power switch assembly see

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Before removing the fan/heat sink assembly, 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 36). 5. Remove the following components: a. Hard drive (see Hard drive on page 38) b. Memory module compartment cover (see Memory module on page 43) c. Optical drive (see Optical drive on page 42) d. Keyboard (see Keyboard on page 47) e. Switch cover (see Switch cover on page 50) f. Display assembly (see Display assembly on page 52) g. Top cover (see Top cover on page 59) h. Power switch assembly (see Power switch assembly on page 63) i. System board (see System board on page 66) Remove the fan/heat assembly: 1. Disconnect the fan cable (1) from the system board. 2. Remove the four Phillips PM2.0×5.0 screws (2) that secure the fan/heat sink assembly to the system board. 72 Chapter 5 Removal and replacement procedures ENWW

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Before removing the fan/heat sink assembly, 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
36
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
38
)
b
.
Memory module compartment cover (see
Memory module
on page
43
)
c
.
Optical drive (see
Optical drive
on page
42
)
d
.
Keyboard (see
Keyboard
on page
47
)
e
.
Switch cover (see
Switch cover
on page
50
)
f
.
Display assembly (see
Display assembly
on page
52
)
g
.
Top cover (see
Top cover
on page
59
)
h
.
Power switch assembly (see
Power switch assembly
on page
63
)
i
.
System board (see
System board
on page
66
)
Remove the fan/heat assembly:
1
.
Disconnect the fan cable
(1)
from the system board.
2
.
Remove the four Phillips PM2.0×5.0 screws
(2)
that secure the fan/heat sink assembly to the system
board.
72
Chapter
5
Removal and replacement procedures
ENWW