Heat sink and fans
NOTE: The heat sink and fans are spared together.
Component Spare part number
Heat sink and fans (includes replacement thermal material) 788600-001
Before replacing the heat sink and fans, 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 bottom cover (see
Bottom cover on page 23).
5. Disconnect the battery (see
Disconnecting the battery on page 25).
Remove the heat sink and fans:
1. Disconnect the cables from the system board for the left (1) and right (2) fans.
2. Remove the two Phillips PM2.0×3.5 screws (3) that secure each fan to the computer.
3. Loosen the six captive Phillips screws (4) on the heat sink.
4. Lift the fans and heat sink straight up and out of the computer (5).
Heat sink and fans 29
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