Acer Aspire laptop Battery Not charging

Acer Aspire 7720g ac adapter - 19v - 90w...
June 16, 2010 at 04:56:25
Specs: Windows Vista, 2.00Gb 2.00ghz
I have bought a new battery for my laptop and find that I cannot plug the charger in once i start using it on the battery. If i do, it indicates that it is running on the battery and will not charge. It then runs on the battery. (it will not charge)

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June 16, 2010 at 08:15:31
The AC adapter cord or the plug on the laptop end of it, or the power jack in the laptop, may be damaged.

Laptop no video (or video problems), and battery, AC adapter, power jack T shooting.

See response 1:

"Product: Acer Aspire 7720g ac adapter - 19v - 90w - 4.74a - black - with multiple tips - (compatible)"

Make sure the polarity (+ and - ) of the plug is correct, and that the tip is making a good connection.

Use the tip with the smallest internal hole that will fit, otherwise the central pin in the jack may not have a good connection.

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June 16, 2010 at 08:57:06
If the new battery is NOT a Genuine Acer replacement battery, not every universal replacement battery is guaranteed to work.

If the battery IS a Genuine Acer replacement battery, go HERE and follow the laptop battery charging diagnosis with Diagram. If still no joy it could be your laptop motherboard ability to charge battery may have been frayed.


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September 22, 2010 at 20:14:24
This information represents a basic troubleshooting guideline. Refer to your user guide for specific charging and connection instructions. Manuals may be available online in the Support Web site of Dell.

Remove the battery from the computer.
Confirm the battery contacts are free of any foreign material that may prevent charging.
Reinsert the battery into the computer.
Verify that the acer AC adapter cord is properly connected and plugged directly into a known working AC power outlet.
NOTE: If the battery charges correctly when the AC adapter is plugged directly into an AC power outlet, but not when plugged into a power strip or surge protector, the problem is with the power strip or surge protector and not the computer battery or AC adapter.

Verify the correct AC adapter is being used.
Ensure the AC adapter box power light is on. This will be an illuminated green light.
If the AC adapter power light is not on, the laptop AC adapter and power cord will need to be replaced.
Verify the charging indicator is illuminated on the computer.
If the issue still exists, install a different compatible Dell battery, if available.

NOTE: If a replacement battery charges and operates correctly, the problem is with the first battery.

If neither the original nor a replacement battery charges, service may be required for the computer.

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