Fans
NOTE: The fan spare part kit includes the fan cable.
Description Spare part number
Left fan for use only on computer models equipped with a graphics subsystem with discrete memory 928459-001
Right fan for use only on computer models equipped with a graphics subsystem with discrete memory 928460-001
Left fan for use only on computer models equipped with a graphics subsystem with UMA memory 928461-001
Right fan for use only on computer models equipped with a graphics subsystem with UMA memory 928462-001
Before removing the fans, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 30).
5. Disconnect the battery cable from the system board (see Battery on page 33).
Remove the left fan:
1. Disconnect the left fan cable (1) from the system board.
2. Release the tape (2) that secures the left fan to the system board.
3. Remove the two Phillips PM2.0×3.4 screws (3) that secure the left fan to the keyboard/top cover.
4. Remove the left fan (4).
38 Chapter 5 Removal and replacement procedures
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