Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material)
900040-001
Before removing the heat sink, follow these steps:
1.
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.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the computer feet (see
).
5.
Remove the keyboard/top cover (see
).
6.
Remove the WLAN module (see
).
7.
Remove the Hall sensor board (see
8.
Remove the connector board and cable (see
Connector board and cable on page 29
).
9.
Remove the battery (see
10.
Remove the speakers (see
11.
Remove the system board (see
Remove the heat sink:
1.
Turn the system board over to show the heat sink.
2.
Remove the four Phillips screws (1) that secure the heat sink to the system board.
3.
Remove the heat sink (2).
Component replacement procedures
35
