Heat sink
Description Spare part number
Heat sink L31354-001
1. Turn o the computer. If you are unsure whether the computer is o 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 following components:
a. Display panel (see Display panel on page 33)
b. Battery (see Battery on page 36)
Remove the heat sink:
1. In the order indicated on the heat sink, remove the ve Phillips M1.6×2.5 screws (1) that secure the heat
sink to the system board.
2. Loosen the three captive Phillips screws (2) that secure the heat sink to the system board.
3. Use a tool to lever the heat sink from the system board (3).
56 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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