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

1. processor socket
2. processor fan connector
3. speaker connector
4. memory connectors ( SODIMM sockets)
5. WLAN connector
6. SATA HDD connector
7. coin-cell battery
8. PS2 and serial connector

Removing the System Board

1. Follow the procedures in
2. Remove the:
a. cover
b. processor fan module
c. hard drive
d. heatsink
e. memory
f. processor
g. PS2 or serial connector board
h. WLAN card
i. coin-cell battery
3. Perform the following steps as shown in the illustration.
a. Remove the screws that secure the hard-drive holder to the system board [1].
b. Lift the hard drive holder away from the system board [2].
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Before Working Inside Your Computer.