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Windows 7: Charger Issue

09 Sep 2010   #1

Windows 7
Charger Issue

Hello all.

I took a laptop of a friend of mine yesterday,its a Compaq one.
It had windows 7 on it and it had some pretty serious issues so i had to reformat.
The charger was working fine till i formatted.

After the format (clean format) the charger is giving me some problems.I plug in the charger and sometimes it charges it and only for 20-30 mins and sometimes not at all.
The light of the batery in the laptop keeps blinking when its not charging and stays on when it charges.
I go at the battery icon at the tray clock and says "Plugged in,not charging"
I tried to look at power options but found nothing

Any help is greatly appreciated

My System SpecsSystem Spec

09 Sep 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc

If you can try another charger as a test; it really should not be related to the format.
My System SpecsSystem Spec
10 Sep 2010   #3
Microsoft MVP

Vista and now 7 in 32 and 64 bit.

It may be related to Windows 7, as it seems to be happening quite a lot, but there is no confirmation of that. On a brand new laptop, after a weeks use, my notification was 86% - plugged in but not charging. I tested the battery with a meter and it gave me a full charge. After consulting with the seller, I bought a new battery, at considerable expense, and quickly ran into the same problem.
In the end, this worked for me, on advice from my son, who is an electronic engineer.

I put the laptop on "High performance" and, in advanced settings, made sure it did not go to sleep or hibernate. In the "battery" section, I turned everything down to zero.
Next. Into the Device manager - Batteries. Disable the "Microsoft ACPI-Compliant Control Method Battery"
Now unplug the power adapter (charger) and allow the laptop to totally use the battery until it is flat. It is a good idea to do this overnight, as the battery must be really drained.
After this, first remove the battery and leave it lying for about five minutes, this is important as it then allows the battery time to adjust to its "quiescent" state.
Plug in the power again and start up. Reenable the ACPI-compliant device. NOW, plug in the battery again. I think you will find, after a long drag, of course, it will charge up to 100%. If not quite there, repeat the process. Remember to put your power settings back to your favorite settings.
My System SpecsSystem Spec

10 Sep 2010   #4

Windows 7

Thank you very much for your help.
Tried it and went up and charged till 43% and then stopped.
Retrying the process again :/
My System SpecsSystem Spec

 Charger Issue

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