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YouTube videos lag sometimes (weird noise, but video continues playing).
Hello. Sometimes youtube videos start having a weird noise, but the video itself keeps playing. This doesn't happen a lot at all, but I'd like to know what the problem is.
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Crashes or other problems with certain multimedia content in Firefox (such as Flash videos, animations or games) can often be resolved by performing the steps in these Knowledge Base articles:
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Flash is up to date.
What media player is used if you check this via the right-click context menu of the player area?
Is that the HTML5 media player?
A Flash based player shows a Flash context menu.
The Cisco OpenH264 plugin is currently only used with WebRTC and not for playing videos.
http://andreasgal.com/2014/10/14/openh264-now-in-firefox/ You can try to disable hardware acceleration in Firefox.
Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available" You need to close and restart Firefox after toggling this setting.
https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
In Firefox Safe mode these changes are effective: