Replacing The System Fan - Lenovo 10A4 Hardware Maintenance Manual

Replacing the system fan

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the system fan.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
To replace the system fan, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 227.
3. Locate the system fan in the computer. See "Locating major FRUs and CRUs" on page 87.
4. Disconnect the system fan cable from the system board.
5. Remove the three screws that secure the system fan to the thermal module, and then lift the system fan
to remove it from the computer.
Figure 278. Removing the system fan
6. Position the new system fan on the chassis so that the three screw holes in the new system fan are
aligned with the screw posts on the thermal module. Then, install the three screws to secure the new
system fan to the computer.
.
Chapter 10 Replacing FRUs (machine types: 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
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