Service Manual

113

Microprocessor Cooling Fan

• Removing the microprocessor cooling fan

• Replacing the microprocessor cooling fan

Removing the Microprocessor Cooling Fan

CAUTION: Before you perform this procedure, see "Safety First—

For You and Your Computer."

NOTICE: Before disconnecting a device from the computer or removing a

component from the system board, verify that the standby power light on the

system board has turned off. To locate this light, see "System Board

Components."

Turn off the computer and devices, disconnect them from their

electrical outlets, wait at least 10 to 20 seconds, lay the computer on its

right side, and open the computer cover.

2 Remove the microprocessor airflow shroud.

3 Disconnect the fan power cable from its connector on the system

board. To locate this connector, see "System Board Components."

NOTE: There are two microprocessor cooling fans (FAN_P0 and

FAN_P1).

Gently push the plastic locking tab down, and slide the fan down to

disengage the four anchor tabs that hold the fan to the chassis wall.

Pull the fan away from the chassis wall (see the following figure).