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Laptop will randomly dim screen brightness and disconnect USB devices

davinchristian

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Joined
Oct 1, 2015
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Hello, i recently upgraded my Windows OS from 8.1 into 10 on my Alienware 17 Laptop. Ever since than, whenever my laptop is on battery powered, it will randomly dim the screen brightness and disconnect USB devices such as mouse and keyboard. However, after plugging in my charger back on and removing it instantly, my USB devices will magically turn on and work again till around 20% battery power level. i have been searching for solutions on the internet and found something similar experienced by another user

(http://answers.microsoft.com/en-us/...s/e3b8c020-6e05-4c7b-a7fe-1f6566c94e32?auth=1).

However, none of the solution given seems to work. And another thing is, I deleted my Windows.old folder making it impossible to do a rollback to Windows 8.1.

Please help

Thank you and have a good day.
 
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