My laptop is a Dell Inspiron with an i3 processor and Intel HD Graphics chip. It has a 15.6" screen and its model number is N5050. My problem is that the computer automatically adjusts the screen brightness based on what images are being displayed on the screen. (This happens only when the laptop is running on battery, when it's plugged in there's no problem) For instance when I open up a word document the screen becomes very bright because of the white background it is displaying but when the screen displays a darker image like a webpage with a black background the screen brightness noticeably dims. At first I just assumed this was some graphics or power saving setting. I checked both the Intel Hd Settings menu and the power savings menu but I couldn't find any options that corresponded to this description. Is there some well hidden setting causing this, is my laptop screen deffective, or is this just the way the laptop is? I need to know. It's driving me nuts.
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Hi I'm facing the same issue on my DELL laptop, for me the "Dell System Manager" was the way to fix it.
Go to "Start" => "All Programs" => "Dell System Manager" and start the application called "System and Devices Manager".
Inside that application there is a Check-Box called "Enable Ambient Light Sensor", un-check it and the screen will stop dimming out.
I hope this helps :)
Is there a working solution for this? I've tried everything suggested here and everywhere else and the screen still dims when there's a darker image being displayed and lights up when there's a bright/white image.
The only thing that's worked for me is disabling the display drivers for the intel 3000 graphics which causes its own issues.