Removing The Coin-Cell Battery; Installing The Coin-Cell Battery; Removing The Hard Drive - Dell OptiPlex 3020–Mini Tower Owner's Manual

Removing the Coin-Cell Battery

1. Follow the procedures in
2. Remove:
a) cover
b) expansion card(s)
3. Press the release latch away from the battery to allow the battery to pop-up from the socket and lift
the coin-cell battery out of the computer.

Installing the Coin-Cell Battery

1. Place the coin cell battery in its slot on the system board and press until the release latch springs
back into place and secures it.
2. Install:
a) expansion card
b) cover
3. Follow the procedures in

Removing the Hard Drive

1. Follow the procedures in
2. Remove:
a) cover
b) front bezel
3. Perform the following steps as shown in the illustration:
a) Disconnect the data cable and the power cable from the back of the hard drive.
b) Press the blue securing-bracket tabs inwards [1[.
c) Lift the hard-drive bracket out of the hard-drive bay [2].
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Before Working Inside Your Computer .
After Working Inside Your Computer .
Before Working Inside Your Computer .