Originally Posted by
Bear
check the bios settings on the laptop, some have a recalibration tool. It's not often, but you might get lucky
Yep, I was going to say this as well Bear
If the computer doesn't power on after charging the battery remove the battery and try powering it on with a power adaptor this should tell you if the battery is shot.
If you want to know how long the battery will hold up during heavy use try
How To Benchmark Your Laptop’s Battery Life With Battery Eater
You can also use an option through control panel
Video: How to Test a Laptop Battery | eHow.com
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