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so I have a weird problem, when I'm watching a video online in full screen mode on Firefox 64, I can see my desktop wallpaper in the background when the there is a dark scene. It only happens with my profile account. It's kind of annoying actually. Does anyone know why this is happening? Thanks

Adrian Lopez
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  • You are watching a video using *what* program? Please edit the question to show what exactly you did, what you expected to happen, what really happened. A screenshot of the video player showing the wallpaper by partial transparency would help. – AlexP Dec 23 '18 at 12:16
  • I just noticed that only happens in firefox, i have a screenshot showing the problem but i don't know how to post it here sorry, I'ts my first question asked here and i don't know yet how it works – Adrian Lopez Dec 23 '18 at 12:18
  • https://www.dropbox.com/s/gdaspnv677zr1y5/Captura%20de%20pantalla%20de%202018-12-23%2013-23-59.png?dl=0 – Adrian Lopez Dec 23 '18 at 12:29
  • Let me know if you can watch the screenshot in that link – Adrian Lopez Dec 23 '18 at 12:30
  • Cannot reproduce. Please try with a [video from YouTube](https://youtu.be/QWbMckU3AOQ?t=55); also, try running Firefox with an empty profile and *edit the question* to include the relevant information. – AlexP Dec 23 '18 at 15:25
  • The link should work, because I tried it on my gf's phone and I can see the image. Also I tried what you suggested, open the same video in an empty profile session and the problem dissapears. That means there is something wrong with the way my profile deals with the videos? I'm actually clueless here – Adrian Lopez Dec 23 '18 at 19:49
  • If the Firefox works fine with an empty profile it usually means that the undesirable behavior is caused by an extension. Try disabling the extensions one by one and see if the undesirable behavior stops. – AlexP Dec 23 '18 at 21:15
  • I just did that and so far so good mate, thanks a lot. It's the gnome shell extension apparently that is causing the problem. I will keep an eye on this and see if the problem is gone for good. Thanks again. – Adrian Lopez Dec 23 '18 at 21:53
  • @AdrianLopez, I have the same problem, Firefox shows me a background wallpaper or a window, depends on what is underneath the firefox showing a dark video. Disabling extensions didn't help. I use Manjaro+GNOME with AMD RX580 with free driver. – some_engineer Dec 26 '18 at 09:57
  • Possible duplicate of [Firefox 64.0 renders content transparent](https://askubuntu.com/questions/1100753/firefox-64-0-renders-content-transparent) – some_engineer Dec 26 '18 at 10:02

1 Answers1

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The solution is here: Strange "ghost images" / transparency effect in full-screen videos

TL;DR; -> Change layers.acceleration.force-enabled option to true in the about:config

some_engineer
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  • Thanks a lot mate, that worked for me, I thought I fixed it with the solution Alex P suggested but the problem came back. Now it is definetly fixed apparently! Thanks again, It was damn annoying – Adrian Lopez Dec 29 '18 at 17:08