Lenovo M4350 Desktop - Manual (Page 81)

6. From inside the chassis, pivot the retaining clip 1 that secures the plastic holder of the thermal sensor
inward and then push the clip outward to release the clip. Then disengage the plastic holder holding
the thermal sensor from the chassis.
Figure 12. Removing the thermal sensor
7. Pull the entire thermal sensor out of the chassis.
Chapter 8 . Replacing FRUs 75