Couple weeks ago my Ubuntu 12.04 LTS was unable to start and wanted automatically update to 14.04 LTS.
All other programs and software I was able to fix and update but I cant find the way to set up my Radeon Drivers HD 6470M.
Only Catalyst 14.6 Beta sounds reasonable. I have only this kind of screen on my system setting as this:

So any tips what to do now?