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watching youtubes using firefox full screen

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  • 1 人有此问题
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  • 最后回复者为 cor-el

gssgss
gssgss
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While watching youtubes, my full screen button has suddenly disappeared in the lower right corner and been replaced by the miniplayer button. Works fine watching youtubes on chrome and IE. Any ideas how to get it back? 10-31-21

While watching youtubes, my full screen button has suddenly disappeared in the lower right corner and been replaced by the miniplayer button. Works fine watching youtubes on chrome and IE. Any ideas how to get it back? 10-31-21
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Sharak
Sharak
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You're watching on youtube.com or is it embeded into some other website? On YT everything works fine on my Firefox. Embeded players may block going fullscreen and Firefox is not the cause of that.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window