Dell OptiPlex 790 (Early 2011) - Manual (Page 33)

Coin-Cell Battery
11
Removing The Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Press the release latch away from the coin-cell battery to allow the battery
to pop-up from the socket.
4. Lift the coin-cell battery out of the computer.
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