Installing The Coin-Cell Battery; Removing The Heatsink Assembly - Dell OptiPlex 3020 Owner's Manual

Installing the Coin-Cell Battery

1. Place the coin-cell battery into its slot on the system board.
2. Press the coin-cell battery downward until the release latch springs back into place and secures it.
3. Install the:
a) drive cage
b) front bezel
c) cover
4. Follow the procedures in

Removing the Heatsink Assembly

1. Follow the procedures in
2. Remove the cover
3. Using both hands, push away the two release handles while lifting the fan shroud upward and off
the computer.
4. Perform the following steps as shown in the illustration:
a) Press the fan cable [1].
b) Disconnect the fan cable from the system board [2].
c) Loosen the captive screws, lift the heat sink assembly and then remove it from the computer.
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After Working Inside Your Computer .
Before Working Inside Your Computer .