Ever since updating to FF 56, YouTube will play audio but not video
I can play video on other sites, but for some reason, when I try to play anything on YouTube, the audio plays but the screen stays blank. The progress bar makes it look like it thinks it's playing the video, too, but the screen displays as blank. I think it has to do with the FF update, but it's possible that's a coincidence. I haven't changed anything else that I can think of, though.
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Youtube currently uses the HTML5 player.
https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues
According to the article, this shouldn't be the problem if I am running Windows 7 with Windows Media Player installed, which I am.
Any other ideas?
hi, can you try to update your graphics driver? https://downloadcenter.intel.com/download/24971/Intel-HD-Graphics-Driver-for-Windows-7-8-64-bit?product=81500
Make sure you are not blocking content.
Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
I definitely don't use adblock.
Checked for driver updates and intel says there aren't any.
What changed with the FF56 update? That's when this started.
OK this is even weirder.
I just tried again with another YouTube video, and this time an ad played normally but when the actual content started, again it only had audio and no video.
Why would it ONLY play ads?
You can open the YouTube test page to check support in Firefox for playing HTML5 media.
When I go to the test page, it shows everything checked off as A-OK.
But I managed to figure out how to turn off hardware acceleration (finally), and that seems to have solved it.
There was a help page buried in the bowels of YouTube that gave the explicit instructions I needed.
Whew!
Thanks for misc suggestions.