Fan
Description
Spare part number
Fan
443917-001
Before removing the fan, 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 41
).
5
.
Release the keyboard (see
Keyboard on page 56
).
6
.
Remove the switch cover (see
Switch cover on page 62
).
Remove the fan:
1
.
Disconnect the fan cable
(1)
from the system board.
2
.
Loosen the Phillips PM2.5×8.0 screw
(2)
that secures the fan to the computer.
3
.
Remove the Phillips PM2.5×8.0 screw
(3)
that secures the fan to the computer.
4
.
Remove the fan
(4)
.
Reverse this procedure to install the fan.
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
Component replacement procedures 63