Dell OptiPlex 9010 All In One (Mid 2012) - Manual (Page 18)

c) system-board shield
3. Press the release latch away from the battery. The battery pops out from the socket; lift the coin-cell battery out of
the computer.
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:
a) system-board shield
b) base cover
c) VESA stand
4. Follow the procedures in After Working Inside Your Computer .
Removing the Optical Drive
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a) VESA stand
b) back cover
c) VESA mount bracket
3. Remove the screws that secure the optical-drive bracket to the computer.
4. Slide the optical drive outwards. Disconnect the optical-drive cable.
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