If your V6 is rebooting and won't startup, it may have a fault.
You'd be best calling VM and reporting that. 150 from a Virgin phone or 0345 4541111 from any other phone.
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