Steps to adjust brightness automatically in Windows 10: Step 1: Access Settings from Start Menu and open System. I am having a problem with adjusting the screen brightness on my Surface Pro 4. My laptop type is : Toshiba Satellite C55DA, windows 10. If the first two methods haven’t produced a result, the following steps just … I have my power options set to high performance (max brightness, don't dim, etc) when plugged in, but when I sleep/hibernate and unplug (carrying it to class) I can no longer adjust the brightness. I also tried the following methods: Enable or Disable Adaptive Brightness in Windows 10 Option 1: Those options aren't available Option 2: Doesn't work Option 3: I did this one, but didn't change anything The further right the slider, the brighter the screen. I checked into HP's support site I was told there is no driver currently for my system(hp pavilion 15 e084ca made somewhere between 2011 to 2013 don't k=now for sure). Hope we … Right after I updated the latest version of windows 10, I can't change the screen brightness for my laptop. When I try to use the brightness buttons on my Logitech K750 keyboard, the brightness meter pops up, but the brightness doesn't change. Can’t adjust screen brightness and Windows 10 brightness not working properly issues are not rare among the Windows 10 operating system users. So, you can still choose whichever method you need.