Dell Precision 220 - Manual (Page 5)

Figure 1. Replacing the System Battery
5. Replace the computer cover, reconnect your computer and peripherals to their electrical outlets, and turn them on.
6. Enter System Setup , and confirm that the battery is operating properly.
Enter the correct time and date through System Setup's System Time and System Date options. Also, use the copy you made in step 1 of
the system configuration information to restore the correct settings for other System Setup options. Then exit System Setup.
7. Turn off and unplug your computer. Leave the computer turned off for at least 10 minutes.
8. After 10 minutes, plug in the computer, turn it on, and enter System Setup. If the time and date are still incorrect, see " Getting Help " for
instructions on obtaining technical assistance.
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1 Battery
2 Battery socket