Recalibrating the battery 99
Recalibrating the battery
If your notebook goes into Standby mode while you are working on your
notebook but the battery is not low, you need to recalibrate your battery. You
should also recalibrate the battery once a year to maintain the accuracy of
the battery gauge.
To recalibrate the battery:
1 Unplug the AC power adapter and turn on your notebook.
2 As soon as it starts and you see a startup screen, press F2. The BIOS Setup
utility opens.
3 Open the
Exit menu.
4 Highlight
Calibrate Gas Gauge, then press ENTER. You are prompted to start
the recalibration program.
5 Start the recalibration program by pressing E
NTER. A message appears
indicating the amount of time the process takes. When the battery has
been fully discharged, the notebook turns itself off.
6 You can now re-connect the AC adapter and fully charge your battery.
Recharging may take several hours. After the battery finishes recharging,
the battery meter displays accurate battery status.
Important Do not interrupt the battery recalibration. If recalibration is
interrupted, you must start the process over again.
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