Dell OptiPlex 3010 (Mid 2012) - Manual (Page 21)

Removing The Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Press the coin-cell battery inward to allow the battery to pop up from the socket.
4. Lift the coin-cell battery out of the computer.
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Installing the Coin-Cell Battery
Installing The Coin-Cell Battery
1. Place the coin-cell battery into its slot on the system board.
2. Press the coin-cell battery downwards until it is secured.
3. Install the cover .
4. Follow the procedures in After Working Inside Your Computer .
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Removing The Coin-Cell Battery
Removing The Power-Switch Cable
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Remove the front bezel .
4. Disconnect the power-switch cable from the system board.
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