AMD card display problem

If video card built by AMD/ATI,

If so, the Vari-Bright feature must be on. To fix this go to:

1. AMD Vision Engine Control Center (or AMD Catalyst Control Center)

2. Power

3. PowerPlay

4. Uncheck the “Enable Vari-Bright” option.

download the AMD Catalyst Control Center (AMD Vision Engine Control Center on other laptop) at the AMD/ATI website
here:

hxxp://support.amd.com/us/gpudownload/Pages/index.​aspx

and that will fix your problem.

Turn Adaptive Brightness On

To Turn Adaptive Brightness On or Off in Power Options

1. Open the Advanced Power Settings for your power plan.

2. Expand Display and Enable display brightness, then set adaptive brightness to be turned on or off for when your computer is On battery and Plugged in. (see screenshot below)
Screen

3. When finished, click on OK, and close the Power Options window.