High speed performance and long battery life are the obvious benefits of Surface Pro in everyday life. It also meets your entertainment needs, like watching movies or playing games. Although good, the device is associated with an unusual problem. When watching streaming movies or videos, screen brightness and Surface Pro colors change constantly. This occurs even if the "Change brightness when light changes" option in the display settings is set to "OFF". If you encounter this problem where your Surface Pro Continues to change brightnessHere is a way to fix it in no time.
Watching movies on portable devices such as smartphones and tablets is a favorite pastime for many of us. But unforeseen problems can kill any excitement. Nevertheless, it is easy to get rid of the problem with little work.
Surface Pro keeps changing brightness
After playing a video or game for 5 to 10 seconds, the display may suddenly switch to high brightness. The exact value can not be determined because the display percentage can continue to display the old percentage.
First, start the built-in power troubleshooter and see it help you. You can access it through the Windows 10 Troubleshooters settings page, or run the following command directly to view the integrated troubleshooting guide for the power supply.
msdt.exe /id PowerDiagnostic
After you press Enter, you will see the pop-up window Troubleshooting Power Problems. Run it and see if that solves the problem. If this is not the case, you will need to modify the registry. It is therefore advisable to create a backup of your system before continuing.
Launch the "Run" dialog and type "regedit'In the empty field of the box. Press & #39;Enter"
Now navigate to the following path address –
HKEY_LOCAL_MACHINE SYSTEM ControlSet001 Control Class {4d36e968-e325-11ce-bfc1-08002be10318} 0000
In this case, the following value must be visible to you – "FeatureTestControl '= dword: 00009240.
Change the value above highlighted in bold in 9250 (in hex) and exit the registry editor.
Now, just restart your computer and check if the problem persists.
I hope it helps!
Related readings:
- Windows 10 Brightness does not work or changes automatically.
- The surface unit is suffering from darkening of the screen.