Dell Precision T7600 (Mid 2012) - Manual (Page 36)

a) front cover
b) right cover
5. Follow the procedures in After Working Inside Your Computer .
Removing the Thermal Sensor
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) left cover
b) right cover
c) air tunnel
3. Disconnect the thermal sensor cable from the system board and unroute it through the chassis clips.
4. Unroute the thermal sensor cable from its securing clips on the chassis.
5. Open the latch securing the thermal sensor and remove it from the computer.
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