Youtube only showing half screen

Discussion in 'Mac Basics and Help' started by Karlsruhe, Dec 25, 2015.

  1. Karlsruhe macrumors newbie

    Karlsruhe

    Joined:
    May 15, 2011
    #1
    Hello,
    For some time when I maximize youtube it only shows half screen. Can anyone know how to fix this? It's really annoying.
     

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  2. Erdbeertorte macrumors demi-goddess

    Joined:
    May 20, 2015
    #2
    Just click on the running video and it should switch to full screen.
     
  3. john.spirou macrumors member

    Joined:
    Oct 7, 2014
    #3
    I have the same problem in safari
    I did a reset of the app but the problem continues....
     
  4. Karlsruhe thread starter macrumors newbie

    Karlsruhe

    Joined:
    May 15, 2011
    #4
    It does but it still is annoying and not a problem solver but a temp fix. It does it again on any HD video on youtube if I try to make it full screen. It seams that if the movie is not HD it maximize it ok.
     
  5. Alexander B. macrumors member

    Alexander B.

    Joined:
    Aug 2, 2011
    Location:
    Moscow
    #5
    What is your screen configuration? Is this a secondary or main screen? Is Flash enabled in Safari?
     
  6. Wyvernspirit macrumors 6502a

    Wyvernspirit

    Joined:
    Jul 23, 2002
    Location:
    Massachusetts
    #6
    Happens to me on my MacBook Pro (Late 2011) on its screen, ever since I hooked it up to an external display.
     
  7. Alexander B. macrumors member

    Alexander B.

    Joined:
    Aug 2, 2011
    Location:
    Moscow
    #7
    I had a similar problem with youtube and an external display. Seems to be Flash related in my case. Try to disable Flash (unblock allow plugins in Safari settings) and see if it helps.
     
  8. ApfelKuchen macrumors 68020

    Joined:
    Aug 28, 2012
    Location:
    Between the coasts
    #8
    I've seen this recently. The issue is that it doesn't automatically switch from one stream resolution to the other. On the machine I saw it on, Flash wasn't even installed.

    My guess is that YouTube made a programming change of some sort that isn't playing well with certain versions of Safari and/or OS X. Maybe it'll be patched, either by YouTube or Apple. Or maybe you need to update OS X. Or maybe YouTube has addressed the issue on their support site. Meantime, clicking Play/Pause or clicking on the video resolves the issue. Annoying? Yes, but it's a pretty easy workaround. Sure beats having no workaround at all.
     
  9. vkd macrumors 6502a

    vkd

    Joined:
    Sep 10, 2012
    #9
    I saw this last weekend on a friend's PC running Windows. I clicked the maximise icon in the lower right corner of the video, the video appeared to change resolution but the space it occupied did not change, in other words it was more like a zoom function. It was not constant either, in that it happened sometimes with some browser tabs whilst other youtube videos in other browser tabs maximised normally. Internet Explorer was being used, by the way. So, my opinion is that it is an anomaly in Youtube's use of HTML5 code, now that they are moving away from Flash and as noted above, it has been seen on a m/c w/o Flash installed.
     

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