Installing The System Board - Dell OptiPlex 3020M Owner's Manual

4. Perform the following steps as shown in the illustration.
a. Remove the screws that secure the system board to the computer [1].
b. Slide the system board to release it from the computer [2,3].
c. Lift the system board away from the computer [4].

Installing the System Board

1. Place the system board on the computer.
2. Tighten the screws to secure the system board to the base panel.
3. Place the hard drive holder on the system board.
4. Tighten the screws that secure the hard-drive holder to the system board.
5. Install:
a. coin-cell battery
b. WLAN card
c. PS2 or serial connector board
d. processor
e. memory
f. heatsink
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