1.    18 Dec 2016 #1
    Join Date : Dec 2016
    Posts : 2
    windows 10

    Why can I only change my screen brightness when my laptop is charging?


    Just did a recent update on Windows 10. I can't change my screen brightness by pressing the increase/ decrease brightness button on my keyboard. If I do press the brightness button, I am still able to click and drag to change the brightness. When my laptop is plugged in I do not have this issue.

    Can someone help me here? I am really frustrated.
      My ComputerSystem Spec
  2.    18 Dec 2016 #2
    Join Date : Jun 2016
    Los Angeles
    Posts : 1,198
    Windows 10 Pro

    This is one of the power options. Go to Start/Search and type power options. You should have two settings, one for battery only and one for being plugged in. Running at full brightness will drain the battery faster.
      My ComputerSystem Spec
  3.    18 Dec 2016 #3
    Join Date : Dec 2016
    Posts : 2
    windows 10
    Thread Starter

    Quote Originally Posted by spunk View Post
    This is one of the power options. Go to Start/Search and type power options. You should have two settings, one for battery only and one for being plugged in. Running at full brightness will drain the battery faster.
    I used to be able to change the brightness by pressing the keys before. That's what I am trying to fix.
      My ComputerSystem Spec
  4.    18 Dec 2016 #4
    Join Date : Aug 2014
    Forever West
    Posts : 4,080
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    I've also experienced that on a couple of Notebooks [different brands] and it seems Win10 is over-riding the ability of the Fn key in favor of the setting in Power Options [Control Panel]. I haven't actually found proof of that except for what I've seen.
      My ComputerSystem Spec

 


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