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Massive Battery Drain


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#1 jg19

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Posted 19 October 2016 - 02:26 PM

Hello!

 

Ever since the Windows 10 update, the battery life in my Lenovo 7844P8U has been drastically reduced.  With the battery that is in it, it used to last 10 hours on Windows 7, now it will only last 5.  I have tried going in and turning off location, apps that are running in the background, I even changed the screen to dim at 100% when unplugged.  I am at a loss and have no idea what to do now.  Any ideas?  I need this laptop to last around 10 hours.  Any help is extremely appreciated! :)

 

Thanks!



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#2 JohnC_21

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Posted 19 October 2016 - 03:00 PM

It could simply be a coincidence as battery life was supposedly improved on Windows 10. You can determine your last full charge and other info by opening a command prompt and typing 

 

powercfg /batteryreport

 

http://www.howtogeek.com/217255/use-the-hidden-powercfg-tool-to-optimize-battery-life-on-windows/



#3 jg19

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Posted 19 October 2016 - 05:57 PM

It could simply be a coincidence as battery life was supposedly improved on Windows 10. You can determine your last full charge and other info by opening a command prompt and typing 
 
powercfg /batteryreport
 
http://www.howtogeek.com/217255/use-the-hidden-powercfg-tool-to-optimize-battery-life-on-windows/


Thank you for that! I wonder how far back the report goes.

#4 JohnC_21

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Posted 19 October 2016 - 06:32 PM

I am not sure. I have only have a Windows 7 laptop so I have only used the energy report.

 

Here is some more info.

 

http://features.en.softonic.com/check-your-windows-8-battery-health-using-the-hidden-command-powercfg






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