Replacing The Thermal Sensor - Lenovo ThinkCentre M78 Hardware Maintenance Manual

6. Position the new internal speaker into the four metal clips
left until it is secured in place.
Figure 56. Installing a new internal speaker
7. Connect the internal speaker cable to the system board. See "Locating parts on the system board"
on page 71.
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 132.

Replacing the thermal sensor

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page 1.
This section provides instructions on how to replace the thermal sensor.
To replace the thermal sensor, 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 80.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 81.
4. Locate the thermal sensor. See "Locating major FRUs and CRUs" on page 68.
5. Disconnect the thermal sensor cable from the thermal sensor connector on the system board. See
"Locating parts on the system board" on page 71.
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ThinkCentre M78 Hardware Maintenance Manual
1 and push the internal speaker toward the