AdamVGR on "Theme settings vanished"

Hi,

I've been using a theme called Revolution-Tech for a number of years. In the WP dashboard, I was always able to find an option to change the link for the YouTube video I have in the right hand coer at http://www.vg-reloaded.com but all of a sudden that menu option seems to have disappeared and I currently have no idea how to change it either.

Would love some advice on this.

Thanks

A lot of my PHP files say this:

To determine what video is shown on the homepage, go to your WP dashboard and go to Presentation -> Revolution Tech Options and enter your video code here.-->

But Presentation has vanished as has the options for the theme. Only thing it lets me do is change a few settings in preview mode, but not the video ones.