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- Press Windows key + R and type cmd.
- Right-click on the first option and select Run as Administrator.
- If you want to disable the Adaptive Brightness feature when your device is unplugged, copy and paste the following command and press Enter: powercfg -setdcvalueindex SCHEME_CURRENT 7516b95f-f776-4464-8c53-06167f40cc99 FBD9AA66-9553-4097-BA44-ED6E9D65EAB8 0