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Black screen when brightness below 75% (Windows 10, AMD Mobility Radeon HD 5000 series Graphical Processor)

Question asked by eelkek on Sep 22, 2015
Latest reply on Dec 3, 2015 by eelkek

I recently installed Windows 10 on a notebook with a AMD Mobility Radeon HD 5000 series Graphical Processor. Installation ended in a black screen. When I reboot/startup I initially see a Windows 10 logo that disappears after approx. 5 s. Then the screen turns black. The screen goes alive when the brightness is increased using the function key (F6). The screen remains live as long as brightness is 75% or higher. The screen goes dark when decreasing the brightness to values below 75%. External screens have no issues.


Has anyone experienced this problem and/or know a solution?