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Scharute
Ctrl-Alt-Del
Posts: 10
Registered: ‎02-14-2014
Location: United States
Views: 3,394
Message 1 of 3

Lenovo y510p with Windows 8.1 brightness slider not working

Good evening,

 

I will keep this short, I have a Lenovo ideapad y510p with Windows 8.1 (I got it with 8.1, did not upgrade from 8) . I noticed a problem yesterday, where I cannot adjust the screen brightness. If I use the keyboard commands (Fn + Up and Fn + Down) The slider appears on the top left of the screen, as always, but does not “slide” It stays static.

 

If I move the slider on the Setting menu, I can slide the value but the brightness does not change and the value is not reflected on the slider on the top left of the screen.

 

I am not sure when this happened for the first time.

 

Scharute
Ctrl-Alt-Del
Posts: 10
Registered: ‎02-14-2014
Location: United States
Views: 3,381
Message 2 of 3

Re: Lenovo y510p with Windows 8.1 brightness slider not working

Never mind, restored from last valid restore point and now it is working
hisfinalblade
Paper Tape
Posts: 1
Registered: ‎08-30-2016
Location: PH
Views: 469
Message 3 of 3

Re: Lenovo y510p with Windows 8.1 brightness slider not working

This is an old thread, but this might help someone else. Restore last restore point worked for me. I believe it has something to do with Windows Update. 

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