Lenovo ThinkCentre M76 Hardware Maintenance Manual for ThinkCentre M76 - Page 154

Replacing the system fan assembly

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Replacing the system fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the system fan assembly. To replace the system fan assembly, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 119. 3. Remove the hard disk drive. See "Replacing the hard disk drive" on page 132. 4. Locate the system fan assembly. See "Locating components" on page 116. 5. Disconnect the system fan assembly cable from the system fan connector on the system board. See "Locating parts on the system board" on page 76. 6. The system fan assembly is attached to the chassis by four rubber mounts. Remove the system fan assembly by cutting the rubber mounts and lifting the system fan assembly out of the chassis. Note: The new system fan assembly will have four new rubber mounts attached. Figure 87. Removing the system fan assembly 150 ThinkCentre Hardware Maintenance Manual

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Replacing the system fan assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
This section provides instructions on how to replace the system fan assembly.
To replace the system fan assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 119.
3. Remove the hard disk drive. See “Replacing the hard disk drive” on page 132.
4. Locate the system fan assembly. See “Locating components” on page 116.
5. Disconnect the system fan assembly cable from the system fan connector on the system board. See
“Locating parts on the system board” on page 76.
6. The system fan assembly is attached to the chassis by four rubber mounts. Remove the system fan
assembly by cutting the rubber mounts and lifting the system fan assembly out of the chassis.
Note:
The new system fan assembly will have four new rubber mounts attached.
Figure 87. Removing the system fan assembly
150
ThinkCentre Hardware Maintenance Manual