Windows 8 and 8.1 Forums

Recently Updated To 8.1, Cannot Change Brightness

  1. #11

    Posts : 21,859
    64-bit Windows 10

    I'm afraid that I don't know what else to suggest other than trying the latest or different video driver to see if it may help.

      My System SpecsSystem Spec

  2. #12

    Posts : 7
    Windows 8.1

    Alright, thanks for trying.
      My System SpecsSystem Spec

Page 2 of 2 FirstFirst 12
Recently Updated To 8.1, Cannot Change Brightness

Similar Threads
Thread Forum
Windows 8.1, cannot change brightness
Hi new here. Got a new computer over the holidays. Everything was working great for about a week. Then I couldn't change my brightness anymore. 1) The FN key does nothing with the brightness. It works for sound controls and other shortcuts but not brightness. 2) Trying to change the brightness...
Drivers & Hardware
My brightness won't change. Please help.
I've had my laptop for about a month now(It is an ASUS I don't remember the exact model, but it has a 745 Nvidia GEFORCE Graphics Card) and everything has been working fine until a few days ago I noticed my screen won't change my brightness no matter what I try. I've used the fn hotkeys, Power...
General Support
Cannot change screen brightness in Win 8.1
Hey, Guys. I just yesterday finished my new computer (16Gb RAM, i5-4470k, GTX 770, Win 8.1, etc.) and I just today realized that I cannot change the screen brightness. The button is grayed out and says "Unavailable" which I know cannot be possible. Now, i have done my research and people say...
General Support
Can't change laptop brightness on 8, but I can on Win 7
I have an Acer Aspire 8930G with Windows 8.1 x64 and Windows 7 x86 as a dual-boot. I use 8.1 as my everyday OS and only boot into 7 to play older games that only work with a 32-bit OS. Ever since I installed Windows 8, I have not been able to adjust the brightness of my screen. Note that this...
Graphic Cards
Recently updated: Problem with games/ Graphics
I recently updated to windos 8.1 and now games are not working on my pc it says stuff like Could not find a Direct3D device taht supports the XNA Framework.
Updated to Win 8.1 now laptop won't sleep/adj brightness
Hello I updated to 8.1 over the weekend and now I have two issues, that might be related: 1. My laptop monitor's brightness cannot be adjusted. 2. My laptop will not go into sleep mode. I have updated my display drivers and I have played with the power settings. I have even tried to restore to...
General Support
Can't change the brightness of screen.
I have gone into the control panel and tried changing the screen brightness but nothing seems to work. I am the system administer so I should be able to set all changes. Hope you can give me some direction.
General Support

Eight Forums Android App Eight Forums IOS App Follow us on Facebook