Fan
Description Spare part number
Fan 778793-001
Before removing the fan, 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 top cover (see
Top cover on page 28).
5. Disconnect the battery.
Remove the fan:
NOTE: You do not have to remove the heat sink to remove the fan.
1. Disconnect the fan cable (1) from the system board.
2. Remove the three Phillips PM2.5×4.0 screws (2) that secure the fan to the computer.
Component replacement procedures 43
52 / 85 51 / 83 52 / 85
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