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Recalibrating Laptop Batteries

Question : I love my laptop, but since I set up a home wireless network and want to run it off the battery more often, I find that I get low-power messages after just 30 minutes of use. Is there any way to replace the battery in a laptop?

Answer : Replacing the laptop's battery is certainly possible. If you were primarily using the computer as a desktop machine and had it plugged in most of the time, there's a chance the battery may simply need to be recalibrated.

Running it off the battery for a short time and then recharging it usually doesn't keep the battery's power meter in sync with the actual amount of power stored in the battery cell. To fix this, most laptop makers recommend that you calibrate your battery at least once every three months.

Check your laptop's manual or the technical support area of its manufacturer for specific instructions, but the calibration process basically involves first turning off your screensaver and other power management settings that put the computer to sleep. Then fully charge the laptop before letting it run all the way down until the computer shuts off automatically.

Once the battery has fully drained, you can charge it back up again and restore your screensaver and power management settings.

If you have calibrated your battery and find it still runs out of power far too soon, it may be time to replace it. If you decide to do so, make sure you get one that is designed for your laptop model.

Most major laptop makers sell replacement batteries and other accessories on their Web sites, so you can probably get one directly from the company. You can also find discounted batteries and other parts for many laptop models at sites like www.laptopsforless.com and www.batteries.com.


Resolving power supply issue

Early warnings of low batteries

Keep it on or turn it off ?

Recalibrating Laptop Batteries


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