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Last reply by 03-27-2017 Solved
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How to disable automatic brightness adjustments on Dell Inspiron

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.

Replies (16)
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Nice Solution To Irritating Problem

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THANK YOU! This is the only one that worked for me out of all others i tried.. thanks again. that was really annoying me

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One quick way to change the automatic changes on Windows 10 is to press the Windows key and then type "brightness" and choose "Turn auto brightness on or off."  Selecting that will lead to this menu: 

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Perfect!! Thank you for the tip, it's exactly what I was looking for.

The dimming and brightening was driving me nuts and I just got this laptop.

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This is exactly what I needed to change on my Dell laptops. I got tired of having the display dim and brighten constantly. Thank you!

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Thanks

Your suggestion was the only one that worked (tested several).

Really annoying feature that never should be implemented by Dell.

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For who disabled adaptive brightness but it still sucks, download this driver version 

I rescued my self with this <Admin Note: Profanity removed per TOU Policy~RK>

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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 :)

Regards,
M. Abuyasin

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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.

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