MPB (late 2012/2013) lags in youtube fullscreen mode?

Discussion in 'MacBook Pro' started by Sinsinx, Mar 21, 2013.

  1. Sinsinx macrumors newbie

    Mar 3, 2013
    Hey, my new macbook pro lags when I put youtube in fullscreen mode, and i'm not sure why.

    I have WoW open, but last night I didn't, and it still lagged.

    Please help.

    I have the 2.6ghz processor, 1gb of dedicated vram. Not sure why this is happening.

    The "lag" is just super choppy screen effects, very unwatchable.
  2. justperry macrumors G3


    Aug 10, 2007
    In the core of a black hole.
    Make sure you have the latest Flash version, if you haven't done so also update to 10.8.3.
    You could also try to use HTML 5 on YouTube.
    If this all does not help try reseting SMC and PRAM and check whether or not the discrete GPU does the job instead of the integrated GPU.
  3. 147798 Suspended

    Dec 29, 2007
    I'm looking at upgrading from a 2009 to 2012 MBP, because I have these kinds of issues. It sounds like the upgrade doesn't really help??
  4. xShane macrumors 6502a


    Nov 2, 2012
    United States
    You can thank Flash.

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