Dell Precision T1650 (Mid 2012) - Manual (Page 24)

Installing the Front Thermal Sensor
1. Secure the thermal sensor to the slot in the chassis.
2. Thread the thermal sensor cable into the chassis clip.
3. Connect the thermal sensor cable to the system board.
4. Install the cover.
5. Follow the procedures in After Working Inside Your Computer .
Removing the Power Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a) cover
b) front panel
c) optical drive
3. Press in on the clip to release and disconnect the power-switch cable from the system board.
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