Dell OptiPlex 3010 (Mid 2012) - Manual (Page 31)

11. Remove the system board from the chassis.
Installing the System Board
1. Align the system board to the port connectors on the back of the chassis and place the system board in the
chassis.
2. Tighten the screws securing the system board to the chassis.
3. Close the expansion-card latch.
4. Connect the cables to the system board.
5. Install the heat sink .
6. Install the expansion card .
7. Install the hard drive .
8. Install the front bezel .
9. Install the cover .
10. Follow the procedures in After Working Inside Your Computer .
Removing The PSU Thermal Sensor
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Disconnect the thermal-sensor cable from the system board.
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