This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

youtube - no video playback on full screen mode

  • 1 phendula
  • 59 inale ngxaki
  • 38 views
  • Impendulo yokugqibela ngu cor-el

more options

when playing a youtube video from the youtube website it won't play at full screen, it only plays back video from the video player window. When I try to go full screen I only get the audio portion and a black screen.

Full screen will play Youtube videos back properly from Internet Explorer or if I play back a video embedded in a website, but not from Mozilla.

This has been going on four or five days now and I was hoping it would correct itself, but to no avail.

Thank you, Annette

when playing a youtube video from the youtube website it won't play at full screen, it only plays back video from the video player window. When I try to go full screen I only get the audio portion and a black screen. Full screen will play Youtube videos back properly from Internet Explorer or if I play back a video embedded in a website, but not from Mozilla. This has been going on four or five days now and I was hoping it would correct itself, but to no avail. Thank you, Annette

All Replies (1)

more options

Try to disable the hardware acceleration in the Flash Player. See Flash videos won't play full screen

Flash "Display settings" window: