Can't play embedded videos in Yahoo!News with Firefox
I've been having this problem with Firefox going way back, but finally decided to ask the question. Anyway, the embedded videos in Yahoo!News can't be played. I tried right-clicking and activiating Flash, and that just brought the player into a black screen, but still no video shows up to be played.
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Hi, try disabling hardware acceleration in Flash, and disable Flash protected mode; see - Adobe Flash plugin has crashed - Prevent it from happening again
If that doesn't help, try Firefox Safe Mode to see if the problem goes away. Firefox Safe Mode is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
- Click the menu button
, click Help 
and select Restart with Add-ons Disabled.
If Firefox is not running, you can start Firefox in Safe Mode as follows:
- On Windows: Hold the Shift key when you open the Firefox desktop or Start menu shortcut.
- On Mac: Hold the option key while starting Firefox.
- On Linux: Quit Firefox, go to your Terminal and run firefox -safe-mode
(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article to find the cause.
To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.
When you figure out what's causing your issues, please let us know. It might help others with the same problem. Thank you!
Did all of these seperately and in combination and none of these fixed the problem. The embedded videos are not showing up in the player on Yahoo!News.