NsaneGeek Posted December 1, 2014 Share Posted December 1, 2014 My laptop battery meter in windows always shows 100 percent. Although battery works for around 2.5 hours, it shuts down without any warning and i am unable to know the time left. My OS is windows 8.1 64 bit.I have tried to re-calibrating the battery by completely draining and uninstalling battery driver multiple times. Also, third party battery monitors don't work. Any help? Link to comment Share on other sites More sharing options...
dcs18 Posted December 1, 2014 Share Posted December 1, 2014 01.) Shut down your laptop02.) Disconnect the Adapter03.) Remove the battery completely out of the laptop04.) Keep the Power button pressed down for 1 full minute05.) Do not insert the battery back into the laptop06.) Reconnect the Adapter07.) Start the notebook09.) Run DevMgmt.msc from an elevated Command Prompt08.) Under Batteries, uninstall the Microsoft ACPI Compliant Control Method Battery10.) Shut down the system11.) Disconnect the Adapter12.) Insert the battery13.) Start your laptop and let Windows reinstall the driver14.) Now, you may reconnect your adapter.15.) Report back Link to comment Share on other sites More sharing options...
NsaneGeek Posted December 1, 2014 Author Share Posted December 1, 2014 01.) Shut down your laptop02.) Disconnect the Adapter03.) Remove the battery completely out of the laptop04.) Keep the Power button pressed down for 1 full minute05.) Do not insert the battery back into the laptop06.) Reconnect the Adapter07.) Start the notebook09.) Run DevMgmt.msc from an elevated Command Prompt08.) Under Batteries, uninstall the Microsoft ACPI Compliant Control Method Battery10.) Shut down the system11.) Disconnect the Adapter12.) Insert the battery13.) Start your laptop and let Windows reinstall the driver14.) Now, you may reconnect your adapter.15.) Report backThat didn't work. Now, just time has appeared alongside. Here is a screen cliphttp://i60.tinypic.com/1t0x1j.png Link to comment Share on other sites More sharing options...
Airstream_Bill Posted December 1, 2014 Share Posted December 1, 2014 This is pretty much the same as dcs18's instructions. It is all I would know how to do.Re: Battery Indicator shows 100% charged at all timesFirst of all, shut down the notebook, unplug the AC Adapter, remove the battery, and then hold down the Power button for 30 seconds. Now, plug in the AC Adapter without the battery inserted, start the notebook, open windows Control Panel, open Device Manager, expand the entry for Batteries, right click on and the Microsoft ACPI Compliant Control Method Battery and select Uninstall - do not uninstall anything else here. When the uninstall is complete, shut the notebook down, unplug the AC Adapter, re-insert the battery and then start the notebook on just the battery. Windows will automatically reinstall the driver - leave Windows running for a few minutes and see if the charge level decreases as it should. Link to comment Share on other sites More sharing options...
eurobyn Posted December 1, 2014 Share Posted December 1, 2014 maybe you can use this.------------------------------------------devcon remove *PNP0C0Adevcon rescan------------------------------------------make a .bat file with the txt in it.without -------------run the bat file as administrator.let us now how it gets ? Link to comment Share on other sites More sharing options...
H4rDw4rE Posted December 1, 2014 Share Posted December 1, 2014 Is your battery ok?You can check how it works with some other systems.Personaly I check in linux enviroment (live distribution of linux mint - small and very fast to boot) and if problems appear here too then you should consider other options for fixing battery, not software ones. Link to comment Share on other sites More sharing options...
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