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Why all do videos stop when i maximize them on youtube ? i can only hear sound. It hasnt happened before. It works with other browsers. I wouldnt like to change mozilla.

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I think this happened a couple of weeks ago. I sudden realized that everytime i change the quality of a clip on youtube or simply maximize it the video stops playing .. i can only hear the sound. Trying with different browsers works just fine. Please help

I think this happened a couple of weeks ago. I sudden realized that everytime i change the quality of a clip on youtube or simply maximize it the video stops playing .. i can only hear the sound. Trying with different browsers works just fine. Please help

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Try to disable the hardware acceleration in the Flash Player.

See Flash videos won't play full screen

Flash "Display settings" window: