Hi @jennox123 and thank you for your post. Apologies for the delay in responding.
I've taken a look at things for you and there are no on going issues which may be causing the difficulties you've been facing with sound and vision.
In this case if this is still an issue at your end it would be best to get in touch with our support team for further help. You can reach us on 150 from a Virgin Media phone or 0345 454 1111, option 1 then 2.