Replacing The Cover Presence Switch - Lenovo ThinkCentre M79 Hardware Maintenance Manual

8. Insert the new thermal sensor cable into the hole
thermal-sensor plastic holder with the two holes
until it snaps into position.
Figure 44. Installing the thermal sensor
9. Connect the new thermal sensor cable to the thermal sensor connector on the system board. See
"Locating parts on the system board" on page 34.
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 142.

Replacing the cover presence switch

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
This section provides instructions on how to replace the cover presence switch (intrusion switch).
Note: The cover presence switch is only available in some models.
To replace the cover presence switch, 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.
1 in the chassis. Then align the two tabs on the
1 and 2 in the chassis, and push the plastic holder
.
Chapter 11 Installing or replacing hardware
131