Display turns off when watching videos (then video starts to lag), how to fix it?

Posted by Bad Learner on Ask Ubuntu See other posts from Ask Ubuntu or by Bad Learner
Published on 2011-11-20T18:23:39Z Indexed on 2011/11/20 18:25 UTC
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display

Okay, here's the thing - - On my Ubuntu 11.10 64-bit installation, I have the display set to turn off automatically after 3 minutes of inactivity.

There are two problems now:

the display turns off even when I am watching videos. But I don't want to keep fiddling my mouse or keyboard when I am watching a movie.
Okay, like I said above, the display turns off, then I move the mouse a bit each time, and the display turns back on. But now, the video doesn't play properly, it lags. A lot actually.

Are these issues common? Can these be fixed?

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