HP pavilion tx2000 Service Manual
Fan/heat sink assembly
Description
Spare part number
Fan/heat sink assembly (includes thermal paste and thermal pads)
441143-001
NOTE:
To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the right side
and rear panel of the computer.
The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is
designed to turn on automatically when high temperature conditions exist. These conditions are affected
by high external temperatures, system power consumption, power management/battery conservation
configurations, battery fast charging, and software requirements. Exhaust air is displaced through the
ventilation grill located on the left side of the computer.
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
5
.
Remove the following components:
a
b
. Memory module compartment cover (see
)
c
)
d
. Keyboard (see
e
. Switch cover (see
f
.
)
g
h
. Power switch assembly (see
i
.
System board (see
Remove the fan/heat assembly:
1
.
Disconnect the fan cable (1) from the system board.
2
.
Remove the four Phillips PM2.0×4.0 screws (2) that secure the fan/heat sink assembly to the system
board.
66 Chapter 4 Removal and replacement procedures