Lenovo ThinkCentre A61 - Manual (Page 34)

Replacing the system fan assembly
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer for
the computer. To obtain copies of the Safety and Warranty Guide, go to
http://www.lenovo.com/support.
This section provides instructions on how to replace the system fan assembly.
1. Remove the computer cover. See “Removing the cover” on page 9.
2. Remove the bezel and drive bay assembly. See “Accessing system board
components and drives” on page 10.
3. Disconnect the system fan cable from the system board. See “Identifying parts
on the system board” on page 7.
4. Remove the hard disk drive. See “Replacing the hard disk drive” on page 20.
5. Remove the two screws securing the system fan assembly.
6. Remove the system fan assembly by pulling the bracket outward and lifting it
up from the system board to remove completely.
7. Install the new system fan assembly and install the two screws that secure the
fan assembly.
8. Connect the system fan cable to the system fan connector on the system
board.
9. Replace the hard disk drive.
10. Align the drive bay assembly with the two slots and rails on the sides of the
chassis, reconnect the drive cables on the system board, and then slide the
drive bay assembly towards the rear of the chassis until it snaps into position.
11. Reinstall the front bezel.
12. Go to Chapter 4, “Completing the parts replacement,” on page 31.
Figure 32. Removing the system fan assembly
26 Hardware Installation and Replacement Guide