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Windows 7: Reinstall driver "Microsoft ACPI Compliant Control Method Battery"

28 Dec 2014   #1
RuthGreen

Windows 7 Home Premium 64bit
 
 
Reinstall driver "Microsoft ACPI Compliant Control Method Battery"

Hello all,

I've spent a good few days trying everything the internet has thrown up to fix my mistake but nothing has worked. I shall list my attempts to fix subsequently.

My problem is this: six days ago, I was using my laptop on its battery and I noticed that the battery icon in the notification bar still showed the mains plug and claimed it was at 100% charge, which it wouldn't be after at least 45 minutes of use.

Plugging my laptop back into the mains, restarting and running from the mains, then unplugging it did not change this icon at all. I searched for a way to fix this problem, and came across deleting and reinstalling the driver from Device Manager > Batteries and deleting "Microsoft ACPI Compliant Control Method Battery" then Action > Scan for hardware changes. Unfortunately, I closed the Device Manager window by mistake before I scanned for changes, so when I reopened it the hardware change was not registered, so there was no ability to reinstall the recently deleted driver.
Reinstall driver "Microsoft ACPI Compliant Control Method Battery"-noacpi.png

I have tried to:
  • find the driver itself on the Acer driver webpage: it is not there
  • restarting laptop, removing battery and mains connections, de-charging capacitors, then rebooting to "register" the battery
  • downloading various .exe files that claim to reinstall the missing driver (these have installed "Microsoft AC Adapter" drivers instead)
  • do a system restore - nothing suitable and ones older than 3 months have been deleted

My laptop will run fine on both mains and battery; if on the latter, it won't have any pop-ups of "10% battery remaining" etc., nor will the screen do its auto-dim function to increase battery life.
If I try to show the battery icon now [Right click task bar > properties > customise notification area > turn system icons on or off] the "Behaviours" on/off drop down for power is greyed out and unclickable.
Reinstall driver "Microsoft ACPI Compliant Control Method Battery"-greypower.png

I've truly messed it up and I can't rectify it. Any suggestions that you can offer?




My System SpecsSystem Spec
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28 Dec 2014   #2
maxie

windows 7 home 64bit
 
 

Hi Welcome to Seven Forums ... Have a look in Programs and Features for ePower Management ...

The Software is not on the Acer Website for your Model ..


Though i have read the Manual for your Laptop and it should have that Software ...
My System SpecsSystem Spec
28 Dec 2014   #3
maxie

windows 7 home 64bit
 
 

It is listed under Applications in Windows 8 ...
My System SpecsSystem Spec
.

28 Dec 2014   #4
RuthGreen

Windows 7 Home Premium 64bit
 
 

Righteo - I've found this thread on Eight Forums would that be the one you're referring to, Maxie?

I've run the "sfc /scannow" in command prompt three times and get the message Windows Resource Protection did not find any integrity violations (as per Brink's tutorial).

The only other response in that Windows 8 forum thread above is to download a BIOS from Acer. There's plenty of non-described BIOSs so I'm dubious that this would be a solution.
My System SpecsSystem Spec
28 Dec 2014   #5
maxie

windows 7 home 64bit
 
 

No ePower Management is an Acer Application it should have been Installed on your Laptop .. It usually can be found in Programs and Features check to see if it is there ...

The Application can be found on the Acer Download site under where your Drivers are in Windows8 ePower comes under the Application Tab it may well work with Windows 7 ...
My System SpecsSystem Spec
29 Dec 2014   #6
RuthGreen

Windows 7 Home Premium 64bit
 
 

Ah, sorry I got the wrong end of the stick.


I don't have that programme on my laptop, and it isn't a downloadable application from the Acer website unfortunately.

I'm currently looking for some third party downloads for it, but seems to look for a stream of programmes I don't have, like the Acer Empowering Technology Framework before I can install the ePower Manangment.
My System SpecsSystem Spec
29 Dec 2014   #7
maxie

windows 7 home 64bit
 
 

My System SpecsSystem Spec
29 Dec 2014   #8
RuthGreen

Windows 7 Home Premium 64bit
 
 

What a faff

I've shot off an email to Acer to see what they say in the meantime.

Anything more you can suggest, Maxie?
My System SpecsSystem Spec
29 Dec 2014   #9
maxie

windows 7 home 64bit
 
 

If you do a Google search you will find lots of alternatives for Battery Software ..

I can not recommend any as i have never used one ...


Wish i could suggest some thing else but just at the moment can not think of any thing ..
My System SpecsSystem Spec
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 Reinstall driver "Microsoft ACPI Compliant Control Method Battery"




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