Full Screen Youtube button doesn't work in Safari

Discussion in 'Mac OS X Lion (10.7)' started by Nosrettap, Dec 12, 2011.

  1. Nosrettap macrumors member

    Dec 22, 2010
    I recently upgraded to OS X Lion and now the youtube full screen button in the lower right hand corner of the video does not work. Such as on this video: http://www.youtube.com/watch?v=Hbxt7IZwx94

    It works in other web browsers, namely Chrome, but it doesn't work in Safari. Note, I noticed this about the time Youtube updated their website so it may be an issue with youtube rather than my browser.

    Help please!
  2. lotones macrumors regular

    Aug 6, 2010
    I've been getting the same thing just recently. This just started this week, as far as I can tell. It may be a YouTube thing.
  3. Comeagain? macrumors 68020


    Feb 17, 2011
    Spokane, WA
    According to the YouTube site, you need to use your browsers full screen function for true full screen. (the arrows in the corner of safari. )
  4. LastZion macrumors 6502a

    Apr 13, 2006
    That still doesn't work (full screen safari on and full screen button doesn't work)
  5. Pyrhonen macrumors member

    Dec 20, 2011
  6. thundersteele macrumors 68030

    Oct 19, 2011
    are you (those who have problems) using the html5 mode of youtube?
  7. pcgeek12345 macrumors regular

    Oct 9, 2011
    New Jersey
    Same here.
  8. deziac macrumors newbie

    Dec 29, 2011
    The Solution.....

    I had this same annoying frustration for the past few weeks. I too began to have issues when Youtube upgraded their website.
    Anyhow, after numerous attempts to delete and reinstall Safari and Adobe Flash w/ no success, I just dealt w/ it and settled for pressing control and popping out the video to enable fullscreen. Nevertheless, this was still very annoying...
    That being said, today I tried harder to find a solution to solve the problem. I found out that Youtube and their experimentation w/ html5 automatically selects the trial of use of html when visiting if your pc or mac and browser meets their criteria.
    To get to the point and the solution, just visit the link provided below and select to turn off the html5 trial.

    This should solve all problems that many of us have been experiencing.
  9. Michaelgtrusa macrumors 604

    Oct 13, 2008

    Same here. What link?
  10. roadbloc macrumors G3


    Aug 24, 2009
    I guess that means nobody has the problem then. :roll eyes:

    I've been having this problem for quite a while now. I get the feeling it might be something to do with flash.
  11. Michaelgtrusa macrumors 604

    Oct 13, 2008

    I have it with some pages.
  12. thundersteele macrumors 68030

    Oct 19, 2011
    did you notice that the solution was posted above?

    It's youtubes html5 implementation to replace flash. You can deactivate it by going to

  13. Michaelgtrusa macrumors 604

    Oct 13, 2008

    I got, You are not currently in the HTML5 trial.
  14. thundersteele macrumors 68030

    Oct 19, 2011
    Interesting. You do have flash installed, right? I don't have flash in Safari, I know the fullscreen doesn't work on those videos that play in html5. For flash vids I use chrome... not a great solution, but I prefer it this way.
  15. Michaelgtrusa macrumors 604

    Oct 13, 2008

    Yes I have flash installed and the issue seems to have gone. Odd.
  16. substance44 macrumors newbie

    Feb 13, 2012
  17. mcmacker4 macrumors newbie

    Aug 13, 2012
    That worked perfectly for me, thanks.
  18. Nvpatfan macrumors newbie

    Oct 29, 2012
    Still no success in getting YouTube videos to work. I did the HTML5 thing that didn't work any thing else!
  19. matador1, Nov 7, 2012
    Last edited: Nov 7, 2012

    matador1 macrumors newbie

    Nov 7, 2012
    It didn't work for me either.

    I updated to iOS6 and it removed Youtube app.
    Since then I'm watching Youtube within the browser (Safari and Chrome) and it seems impossible to remove the address bar and make it full screen.
    That's really annoying.
    I also installed the official Youtube app. but I think it's for iphone originally and even if you make it 2X, it still is not in full screen.

    My daughter gets crazy!
    Any help (on full screen issue) will be highly appreciated.

    Here's the solution (in my case).
    I ran the browser (Safari), went to youtube.com, and LOGGED IN to my youtube account.
    Now I have the full screen back!

    Tried it again without logging in >> the same thing = no full screen.

    Hope this helps in your case too.
  20. sinnersaint, Aug 8, 2013
    Last edited: Aug 8, 2013

    sinnersaint macrumors newbie

    Aug 8, 2013
    Same problem!

    Anybody got a working solution? Some videos work.. Some don't!
  21. Makabetka macrumors newbie

    Nov 9, 2014

    Try to update your flash player, visit adobe flash site!

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