How to Disable Auto Brightness in Windows 8.1

Posted by Britt Duncan - November 6, 2014

You may find that the Windows 8.1 can automatically adjust the brightness of the screen according to ambient light and temperature when you work on your laptop. This feature seems smart and personalized, but actually it has its shortcomings. For instance, you won’t be able to view the contents on the screen if you move the computer to a place with low light condition. If you are experiencing this problem, you can follow this tutorial to disable the auto-brightness.

Method One

1. Press Ctrl and X keys to open a menu, and then select Control Panel > System and Security > Power Options.
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2. Click Change plan settings option on your currently active power plan.
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3. Click Change advanced power settings on the Power Options dialog.
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4. Expand Display and then expand Enable adaptive brightness. Change it to Off for both Plugged In and On Battery options. Click Apply and OK.
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Method Two

1. Press Win and R keys to open the Run box, and type a command services.msc to the box and press Enter.

2. Double click the Sensor Monitoring Service, and select Stop (if running) and disable the Sensor Monitoring Service. Click Apply and OK.
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