HP Compaq 6910p, Maintenance And Service Manual

Page: 74 / 168

Fan assembly
Description Spare part number
Fan assembly 446416-001
Before removing the fan 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 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 42 ).
5
.
Remove the keyboard (see Keyboard on page 57 ).
6
. Remove the switch cover (see Switch cover on page 64 ).
Remove the fan assembly:
1
. Disconnect the fan cable (1) from the system board.
2
. Remove the Phillips PM2.5×7.0 screw (2) that secures the fan assembly to the computer.
3
.
Remove the fan assembly
(3)
.
Reverse this procedure to install the fan assembly.
NOTE: To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the left and
right sides 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
66 Chapter
4
Removal and replacement procedures