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. 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.To access system board components, see“Accessing system board components and drives” on page 10.
3.Disconnect the system fan cable from the system board. See “Locating parts on the system board” on page 8.
4.Remove the hard disk drive. See “Replacing the hard disk drive” on page 21.
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.
Figure 32. Removing the system fan assembly
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.Go to Chapter 4, “Completing the parts replacement,” on page 33.
Chapter 3. Installing options and replacing hardware 27