All You Tube videos are not working. The screen is black and nothing happens. I can view them on my iPad with no problem.
MacBook Air, OS X Mountain Lion (10.8.4)
see if this thread helps
https://discussions.apple.com/thread/5265387?answerId=22827053022#22827053022
Thanks. I didn't get it working in Safari but it made me think of loading FireFox which is working fine.
Do you know how to delete cookies and cache?
Thanks again,
Keith
One of the following steps should help.
1. System Preferences > Other/ Flash Player > Advanced > Delete All
Press the "Delete All" button
2. Install Adobe Flash Player.
http://get.adobe.com/flashplayer/
Quit Safari.
Restart computer. Relaunch Safari.
3. Enable Plug-ins
Safari > Preferences > Security
Web Content: > "Enable Plug-ins".
or
Internet Plug-ins > "Allow all other plug-ins
4. Check whether you are currently in YouTube HTML 5 trial.
At the bottom left of the page uncheck the box beside
"You are currently in the HTML5 trial".
5. Reset Safari.
Click Safari in the menu bar.
From the drop down select "Reset Safari".
Uncheck the boxes next to all items.
Check the box next to "Remove all website data".
Click "Reset".
6. Turn off Extensions, if any.
Safari > Preferences > Extensions
Now try YouTube.
Best.
you tube not working on macbook air 2013
