4. Remove the fan (4).
Reverse this procedure to install the fan.
Heat sink
Description Spare part number
Heat sink (includes replacement thermal material) 755728-001
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 bottom cover (see
Bottom cover on page 28).
5. Disconnect the battery.
6. Remove the fan (see Fan on page 45).
46 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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