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Flash video playback crashes one of my displays (flickering lines)

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  • 5 have this problem
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  • Last reply by cor-el

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I am using a dual display setup. When I play back a Flash video in Firefox 18 one of my screens shows flickering lines and can only be reset by shutting down and restarting Windows.

If I move the Firefox window to the other screen and start playback the main screen still crashes but I can see the video itself playing fine on screen 2. So the Flash plugin didn't crash.

But it seems as if it had changed resolution and/or refresh rate to some strange value. So the picture of how the screen looks after the video playback began.

Picture: http://www.abload.de/img/distorted_by_flashbful7.png

I did no recent changes to the graphics drivers but the problem started about 1-2 weeks ago.

I am using a dual display setup. When I play back a Flash video in Firefox 18 one of my screens shows flickering lines and can only be reset by shutting down and restarting Windows. If I move the Firefox window to the other screen and start playback the main screen still crashes but I can see the video itself playing fine on screen 2. So the Flash plugin didn't crash. But it seems as if it had changed resolution and/or refresh rate to some strange value. So the picture of how the screen looks after the video playback began. Picture: http://www.abload.de/img/distorted_by_flashbful7.png I did no recent changes to the graphics drivers but the problem started about 1-2 weeks ago.

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You can check for problems caused by recent Flash updates and try these:

  • disable a possible RealPlayer Browser Record Plugin extension for Firefox and update the RealPlayer if installed
  • disable protected mode in Flash 11.3 and later
  • disable hardware acceleration in the Flash plugin