Dell Latitude E6220 (Mid 2011) - Manual (Page 50)

Installing The Coin-Cell Battery
1. Connect the coin-cell battery cable to the system board.
2. Press the coin-cell battery into its slot.
3. Install the speakers.
4. Install the Bluetooth module.
5. Install the hard drive.
6. Install the base cover.
7. Install the battery.
8. Install the secure digital (SD) Card.
9. Install the bottom chassis.
10. Follow the procedures in After working inside your computer.
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