Surface Pro keeps changing brightness and color scheme

High-speed performance and long battery life are the obvious benefits of Surface Pro in everyday use. It also caters to your entertainment needs, like watching movies or playing games. Although good, the device has an unusual problem associated with it. While watching movies or streaming videos, the screen brightness and color scheme of Surface Pro changes continually. This happens even if ‘change brightness automatically when light changes’ option under display settings is set to ‘OFF’ position. If you are experiencing this issue where your Surface Pro Keeps changing brightness, here’s a way to get it fixed in no time.

Watching movies on portable devices like Smartphones and tablets is a favorite pastime for many of us. But unforeseen trouble can kill all excitement. Nevertheless, it easy to get rid of the issue with little work.

Surface Pro keeps changing brightness

After playing a video or game for 5 to 10 seconds, the display may suddenly change to high brightness. One can’t figure out the exact value because the display percentage may continue to show the old percentage.

First, Run the built-in Power Troubleshooter and see it helps you. You may access it via the Windows 10 Troubleshooters Settings Page or run the following command directly to bring up the built-in Power Troubleshooter

msdt.exe /id PowerDiagnostic

Once you hit Enter, you will see the Power Troubleshooter pop-up. Run it and see if that fixes the issue. If it does not the you will have to modify the Registry. It is therefore advisable to create a backup of your system before proceeding further.

Surface Pro keeps changing brightness

Launch the ‘Run’ dialog box and type ‘Regedit’ in the empty field of the box. Press ‘Enter’.

Now, navigate to the following path address –


There, the following value should be visible to you – ‘FeatureTestControl’=dword:00009240.

Change the above value highlighted in bold to 9250 (in hex) and exit the Registry Editor.

Now, simply restart your computer and check if the issue persists.

I hope this helps!

Related reads:

  1. Windows 10 Brightness not working or changes automatically.
  2. Surface device is suffering from screen dimming.
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The author Hemant Saxena is a post-graduate in bio-technology and has an immense interest in following Windows, Office and other technology developments. Quiet by nature, he is an avid Lacrosse player. Creating a System Restore Point first before installing a new software, and being careful about any third-party offers while installing freeware is recommended.

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