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Firefox wont show fullscreen youtube videos on an external display unless opened in safe mode, even with a fresh install and no addons

已張貼

After updating to version 72.0.1 I am no longer able to watch fullscreen youtube videos through an external device unless firefox is booted in safe mode. I have tried removing all of my addons and even uninstalling and reinstalling a fresh copy of firefox and the issue persists.

After updating to version 72.0.1 I am no longer able to watch fullscreen youtube videos through an external device unless firefox is booted in safe mode. I have tried removing all of my addons and even uninstalling and reinstalling a fresh copy of firefox and the issue persists.

被選擇的解決方法

You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting for changes to take effect.

You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.

從原來的回覆中察看解決方案 0
引用

額外的系統細節

已安裝的外掛程式

  • Shockwave Flash 32.0 r0

應用程式

  • Firefox 72.0.1
  • 使用者代理:Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0
  • 技術支援網址:https://support.mozilla.org/1/firefox/72.0.1/WINNT/en-GB/

擴充套件

  • Amazon.co.uk 1.1 (amazon@search.mozilla.org)
  • Bing 1.0 (bing@search.mozilla.org)
  • Chambers (UK) 1.0 (chambers-en-GB@search.mozilla.org)
  • DuckDuckGo 1.0 (ddg@search.mozilla.org)
  • eBay 1.0 (ebay@search.mozilla.org)
  • Google 1.0 (google@search.mozilla.org)
  • Twitter 1.0 (twitter@search.mozilla.org)
  • Wikipedia (en) 1.0 (wikipedia@search.mozilla.org)
  • Adblock Plus - free ad blocker 3.7 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}) (Inactive)

JavaScript

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  • adapterVendorID2:
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  • directWriteVersion: 10.0.18362.476
  • driverDate: 9-25-2019
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修改過的偏好設定

其他

  • User JS: 否
  • 輔助功能: 否
FredMcD
  • Top 10 Contributor
4399 個解決方法 61745 個答案
Make sure you are not blocking content. https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop
這篇文章有幫助嗎?
引用
cor-el
  • Top 10 Contributor
  • Moderator
17881 個解決方法 161785 個答案

選擇的解決方法

You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting for changes to take effect.

You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.

You can try to disable hardware acceleration in Firefox. *Options/Preferences -> General: Performance<br>remove checkmark: [ ] "Use recommended performance settings"<br>remove checkmark: [ ] "Use hardware acceleration when available" *https://support.mozilla.org/en-US/kb/performance-settings Close and restart Firefox after modifying the setting for changes to take effect. *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems You can check if there is an update for your graphics display driver and check for hardware acceleration related issues. *https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration
這篇文章有幫助嗎?
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提出問題者

Disabled protection for YouTube but no effect

Disabled protection for YouTube but no effect
這篇文章有幫助嗎?
引用

提出問題者

Thanks, tried disabling hardware acceleration and it fixed the issue

Thanks, tried disabling hardware acceleration and it fixed the issue
這篇文章有幫助嗎?
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