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Windows 7: 96% Battery plugged in but not charging


28 Jul 2011   #1

Windows 7 Home Premium 64-bit, SP1
 
 
96% Battery plugged in but not charging

Acer laptop
2 months old

I did the followings but did not fix it :

Unplugged the machine
Removed the battery
Plugged everything back in ( except the battery ) and loaded the machine
Turned off the machine
Put the battery back in.

This is the 2nd time. Fisrt time I fixed that by performing the above steps. Not this time.
Google search suggests faulty adaptor, as well as contacting Acer while still in warranty.

After googling, I came across this suggestion :
Device Manager > expand Battery > Right click at Microsoft ACPI-Compliant Control Method Battery > uninstall > Action button > Scan for hardware changes

That did not solve the issue either.

Is there anything else I can do without calling Acer ?

My System SpecsSystem Spec
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28 Jul 2011   #2

Windows 8.1 Pro (x64)
 
 

Call Acer. You have a hardware problem.
My System SpecsSystem Spec
28 Jul 2011   #3

Windows 7 Home Premium 64-bit, SP1
 
 

Quote   Quote: Originally Posted by logicearth View Post
Call Acer. You have a hardware problem.
Thank you.
My System SpecsSystem Spec
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28 Jul 2011   #4

Windows Server 2008 R2
 
 

Have you simply let it run lower than 25%, shut it down, and then reboot with the A/C adapter plugged in? A lot of newer laptops (released over the last few years, anyway, so not necessarily new anymore) come with some logic in the BIOS to not keep recharging a battery that hasn't been discharged in <n>, where <n> could be any number of different factors. For example, my HP laptop will not recharge the battery if I turn it on plugged in at over 85% charge 5 times - it will show "plugged in, not charging" until I run the battery down below 85% before plugging it in again (and as soon as I go below 85% and plug it in, it charges).

Consider that it might not be a problem at all, and this sort of behavior does lengthen the life of the battery too, if it is on purpose by the hardware.
My System SpecsSystem Spec
28 Jul 2011   #5

Windows 7 Home Premium 64-bit, SP1
 
 

Quote   Quote: Originally Posted by cluberti View Post
Have you simply let it run lower than 25%, shut it down, and then reboot with the A/C adapter plugged in? A lot of newer laptops (released over the last few years, anyway, so not necessarily new anymore) come with some logic in the BIOS to not keep recharging a battery that hasn't been discharged in <n>, where <n> could be any number of different factors. For example, my HP laptop will not recharge the battery if I turn it on plugged in at over 85% charge 5 times - it will show "plugged in, not charging" until I run the battery down below 85% before plugging it in again (and as soon as I go below 85% and plug it in, it charges).

Consider that it might not be a problem at all, and this sort of behavior does lengthen the life of the battery too, if it is on purpose by the hardware.

You are " almost correct ".
3 hours ago, I unplugged the adapter and let the battery run down. Didn't pay attention to want %.
Then I plugged the adapter back on. It then started to charge..... to 99%. Then Not charging again.
Go figure.
My System SpecsSystem Spec
28 Jul 2011   #6

Windows Server 2008 R2
 
 

Interesting. Might be worth bugging Acer on the specifics of the BIOS and how it determines when and how much to charge .
My System SpecsSystem Spec
26 Dec 2012   #7

Windows 7 Home Premium 64 bit
 
 
I fixed my problem

I have a acer 7741z windows 7 home premium 64 bit computer. I had a the same problem but my computer was stuck at "4% plugged in; not charging". As others have suggested I went into device manager and uninstalling the battery controller and scanned etc .. this was a successful function however it did not solve my problem. Others have also indicated that the charger is bad. Since we have quite a few of these computers in the office I went to a colleagues computer (whom is home sick today) and tried his charger, this did not solve the problem. So I switched the batteries and this WORKED. So now I have my old charger and a "new" battery. This solved my problem, so now my co-worker has the faulty battery that wont take a charge. But that's his problem now so hopefully he doesn't read this post trying to figure out the problem

Cheers!
My System SpecsSystem Spec
6 Days Ago   #8

windows 7 64bit
 
 
"plugged in, not charging".

hi i need help with my laptop. i have the same problem "plugged in, not charging".
my toshiba laptop 64 bit is different because at 12mn up to 1:30 pm(or more) it is charging. but at 2 pm it started to drain the charge with a message "plugged in, not charging". and at 10% to 15% it stop draining and it stay at that remaining percentage. i tried to to totally drained my unit and put back the charger but same message appeared. i cant remove the battery because its "built in".
My System SpecsSystem Spec
Reply

 96% Battery plugged in but not charging




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