Youtube videos playing 5-10fps when in fullscreen mode.

Discussion in 'Mac Apps and Mac App Store' started by cupique, Nov 5, 2012.

  1. cupique, Nov 5, 2012
    Last edited: Nov 8, 2012

    macrumors newbie

    Sep 4, 2006
    I've been having problems with youtube's flash-player after installing mountain lion. Videos play fine otherwise, but if I switch to fullscreen framerate drops dramatically. CPU usage stays low the entire time but video stutters like no other. I did even a fresh install of OS X, but even that didn't change a thing. Any other videoplayer works fine in fullscreen so it isn't about videocard being hosed. It isn't a buffer problem either, because if I let the video buffer fill up, the problem persists. Other flash-based players also work fine. Problem occurs in all major browsers.

    Is anyone else experiencing this or is it just me?


    iMac 27" late 2009

    2,8Gz Intel Core i7
    16GB DDR3
    ATI Radeon HD 4850 512 MB
    OS X 10.8.2

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