Replacing The Thermal Sensor - Lenovo 10A4 Hardware Maintenance Manual

Figure 80. Installing a new internal speaker
7. Connect the internal speaker cable to the system board. See "Locating parts on the system board" on
page 73.
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 150.

Replacing the thermal sensor

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "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. 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.
2. Remove the computer cover. See "Removing the computer cover" on page 91.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 92.
4. Locate the thermal sensor. See "Locating major FRUs and CRUs" on page 70.
5. Disconnect the thermal sensor cable from the thermal sensor connector on the system board. See
"Locating parts on the system board" on page 73.
6. From inside the chassis, pivot the upper retaining clip
sensor downward and then push the clip outward to release the clip. Then disengage the plastic holder
holding the thermal sensor from the chassis.
Chapter 8
.
Replacing FRUs (machine types: 10A0, 10A1, 10A6, 10A7, 10AG, 10AK, 10AL, and 10BE)
1 that secures the plastic holder of the thermal
135