Fans
Description Spare part number
Fan for use over the processor 848251-001
Fan for use over the graphics card 848252-001
Before removing the fan, follow these steps:
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 bottom cover (see Bottom cover on page 36).
5. Disconnect the battery (see Battery on page 37).
Remove the fans:
▲
To remove the fans:
a. Remove the display cable from the clips in the left fan (1).
b. Remove the antenna cables from the clips in the right fan (2).
c. Disconnect the fan cables from the system board (3).
d. Loosen the two captive Phillips screws that secure each fan to the computer (4).
e. Remove the fans (5).
Reverse this procedure to install the fans.
60 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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