How to Recondition a Laptop Battery
1
Insert the battery into the laptop. Plug in the laptop and allow the battery to fully charge. Restart the computer.
2
Disable hibernation temporarily. In Windows XP, for example, click Start, then "Control Panel," then "Power Options." Select the "Hibernate" tab, then uncheck "Enable Hibernation." Click "OK" to save the settings.
3
Change settings to discharge the battery. Click on "Control Panel," "Performance and Maintenance," "Power Options" and then "Power Schemes." Make a note of the settings under the "Plugged In" and "Running on Batteries" columns so you can reset them later.
4
Set all six options to "Never" from the drop-down lists. Click "OK" to save the settings and disable power management.
5
Unplug the laptop, but do not turn it off. Run the laptop until the battery is completely discharged (the Power/Standby light will blink) and the laptop shuts down.
6
Plug the laptop back in, allow it to fully charge again, then restart the computer. Enable hibernation and enter your original performance settings in "Power Schemes."
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