Fan
Table 5-13 Fan description and spare part number information
Description Spare part number
Fan for use only on computer models equipped with a graphics subsystem with discrete memory L19159-001
Fan for use only on computer models equipped with a graphics subsystem with UMA memory L19160-001
Before removing the fan, 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 51).
5. Remove the battery (see Battery on page 53).
Remove the fan:
Discrete graphics models:
1. Disconnect the fan cable (1) from the system board.
2. Remove the six Phillips M2.0×4.0 screws (2) that secure the fans to the computer.
3. Remove the fans from the computer (3).
Component replacement procedures 79
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