Monitor Goes To Sleep When Screen Has Lot Of Black
Aug 26, 2015
I can't remember when and how this started, but definitely after upgrading from Windows 8.1 to Windows 10 Pro.So, my screen (Acer LCD, connected to GTX 560 with 1 meter DVI cable) started going black (power light on, background light completely off) when I watched a video that had lot of dark on it. Happens in some games as well where the cut scenes change.
I tested it by full screening a plain black image and the screen went to sleep, mouse cursor dissapeared.Moving the mouse does not wake up the screen, only when i press Win key to bring up some color to the screen. (the task bar seems to be enough to wake the screen.)I have checked all the power settings and turned off all the sleep settings, 'Turn off display after' is set to 'Never' 'Multimedia settings' are set to ' Prevent idling ' and 'Optimize video quality'
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2. Duplicate (Screen is still black with mouse cursor, but I saw a little bit of red and blue pixels at the bottom where the task bar should be until I disconnected and re-connected the VGA, then it was back to black screen and cursor)
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