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Fan
Description Spare part number
Fan 494000-001
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. Remove the keyboard (see
Keyboard on page 55).
6. Remove the switch cover (see
Switch cover on page 59).
Remove the fan:
1. Disconnect the fan cable (1) from the system board.
2. Remove the three PM2.0×3.0 screws (2) that secure the fan to the computer.
3. Lift the fan from the computer (3).
Reverse this procedure to install the fan.
Graphics card heat sink
NOTE: The spare part kit for the graphics card heat sink includes replacement thermal material.
Component replacement procedures 61