Replacing The Cover Presence Switch - Lenovo ThinkCentre M83 User Manual

What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 80.
Replacing the system fan
Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
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. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 56.
3. Locate the system fan in the computer. See "Locating components" on page 11.
4. Disconnect the system fan cable from the system board.
.
Chapter 5 Installing or replacing hardware
73