youtube sound, no video

[bobcat]

RE 5.3
Q: Movies are not working on the YouTube site. Why does it say I must enable JavaScript and Flash even if I already allowed youtube.com?
A: YouTube recently split its content across two domains, likely for performance reasons. Therefore you must allow both youtube.com and ytimg.com (you're probably missing the latter).

My problem is that there is no video, just sound. OK for music only tracks, but not for other YT videos.

Latest Firefox. Latest NS.

I allowed all scripts temporarily, including ytimg.com

Win 7

HP 6930p

[therube]

Disable NoScript, restart FF & see if there is any change.

[bobcat]

By disable do you mean uninstall? Or disable globally? Or disable on youtube?
I know how to uninstall, but not how to do the other two.

[therube]

By disable do you mean uninstall?

Yes.

[bobcat]

OK I uninstalled NS.
And youtube videos display the picture and sound.
Could have told you before. I was using the same video before, during, and after.

[therube]

> I was using the same video before, during, and after

URL?
And is the video being served to you as Flash or HTML5?

[bobcat]

https://www.youtube.com/watch?v=1fFd-9Mr6KI
HTML5