HP (Hewlett-Packard) 8470p 用户手册

Fan (includes cable)

641839-001

Before removing the fan, follow these steps:

Turn off 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.

Disconnect the power from the computer by unplugging the power cord from the computer.

Disconnect all external devices from the computer.

Remove the battery (see 

Remove the service cover (see 

).

Remove the fan:

Disconnect the fan cable (1) from the system board.

Loosen the captive Phillips screw (2) that secures the fan to the top cover.

Remove the Phillips PM2.5×5.0 screw (3) that secures the fan to the top cover.

Remove the fan (4).

Reverse this procedure to install the fan.

Component replacement procedures

85