Fan - HP ProBook 4430s Maintenance And Service Manual

Reverse this procedure to install the keyboard.

Fan

Description
Fan
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
5. Remove the bottom door (see
Remove the fan:
1. Position the computer upside-down with the front toward you.
2. Disconnect the fan cable (1) from the system board.
3. Remove the Phillips PM2.0×3.5 screw (2) that secures the fan to the base enclosure.
Battery on page 48).
Bottom door on page 50).
Component replacement procedures
Spare part number
646358-001
67