Dell OptiPlex XE2 (Mid 2013) - Manual (Page 17)

4. 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 After Working Inside Your Computer .
Removing the Hard Drive
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) cover
b) front bezel
3. Disconnect the data cable and the power cable from the back of the hard drive. Press the blue securing-bracket
tabs inwards and lift the hard-drive bracket out of the hard-drive bay.
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