Sky Sports HD are in EPG positions 501-509, SD is 510-519. Are you able to select any of the HD channels or are they greyed out?
On a V6, follow Home > Help & Settings > Help > TV Care > I'm missing some channels
If that doesn't resolve, then the channels in question are not in your package.
I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more
Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks
Thanks for Posting this on our Forums, I am sorry you don't seem to have HD channels on your TV guide even though your package states you should!
I can see Japitts has given some useful information above, has this helped in this case?
If not, we will be here to help further.