Dell OptiPlex 9010 (Mid 2012) - Manual (Page 23)

4. Press in the retention clips and slide the power-switch cable out through the front of the computer.
Installing the Power-Switch Cable
1. Slide the power-switch cable 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 clip.
4. Connect the power-switch cable to the system board.
5. Install the:
a. drive cage
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:
a. cover
b. front bezel
c. drive cage
3. Disconnect and un-thread the I/O panel/ FlyWire cable from the fan-shelter clip and heat sink.
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