Laptop Battery Not Detected

Question

I have Acer 3830TG With windows 7 and then i installed windows 8 on that,and the problem is only 1 : The Battery is not detected , then i boot to windows 7 ( I use Dual boot),the battery indicator shows up,and if i take a look the task manager the cpu frequency fluctuate based on the system load, so i think the power management works , can anyone give me a solution please

Answer 1

What if you try the old trick for Windows 7?

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Well this is the world we live in And these are the hands we're given...

Answer 2

What if you try the old trick for Windows 7?

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Well this is the world we live in And these are the hands we're given...

tried that step but found some problems

1.my laptop battery can't be removed(it's soldered to motherboard)

2.there are only Microsoft ac adapter in device manager

 

here's some screenshot

 

 

Answer 3

I am only assuming here: could you possibly install the ACPI device driver. What if you add this device?

I know that isn't shading much light onto resolving your problem, but still.

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Well this is the world we live in And these are the hands we're given...

Answer 4

where i can download the acpi device driver? as far as i know the acpi driver is available in windows and automatically installs

Answer 5

Normally you can lookup %windir%\inf or Windows should show you the list of available drivers for your device, or you can look at catalog.update.microsoft.com; however, you'd rarely find this driver over at MSFT catalog.

I'll look if I have this driver in my setup tomorrow when I get to my WDP PC.

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Well this is the world we live in And these are the hands we're given...

Answer 6

Normally you can lookup %windir%\inf or Windows should show you the list of available drivers for your device, or you can look at catalog.update.microsoft.com; however, you'd rarely find this driver over at MSFT catalog.

I'll look if I have this driver in my setup tomorrow when I get to my WDP PC.

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Well this is the world we live in And these are the hands we're given...

Thanks, I tried to install inf the inf from c:\windows\inf\acpipmi.inf and scan for hardware changes in device manager

then it works,Thank you