Dell OptiPlex 7010 (Mid 2012) - Manual (Page 30)

6. Slide the power switch along with its cable out through the front of the computer.
Installing the Power Switch
1. Slide the power switch in through the front of the computer.
2. Secure the power-switch cable to the chassis.
3. Thread the power-switch cable into the chassis clips.
4. Connect the power-switch cable to the system board.
5. Install the:
a. optical drive
b. front bezel
c. cover
6. Follow the procedures in After Working Inside Your Computer .
Removing the Input/Output (I/O) Panel
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Remove the front panel.
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