Have you tried removing the power cable from the hub, waiting 2 minutes then putting it back in, also do this with any ethernet wires connected to it also. Next if this does not work try a factory reset.
If I Have Tried To Help You Hope It Helps: I am fairly knowledgeable about technology in general and will try to help you to the best of my ability.
Sky World Customer (TV), Virgin Media Fibre Optic Gig1; Virgin Media Phone Package
Want To Contact Virgin Media's UK Call Centre? Here's How: STEP 1: Dial 150 (Virgin Landline) or 0345 454 1111 (Non Virgin Phone) STEP 2: Option 1 for TV, Broadband or Home Phone
STEP 3: If The Number You Are Calling From Belongs To Your Virgin Media Account Select Option 1 If Not 2 (then enter the Virgin Media Home Number or press # then tap in Virgin Media Account Number STEP 4: Select Option 4 - To Make Changes To Your Package Or Tell Us You Are Moving STEP 5: Select Option 4 - If You Are Thinking Of Leaving Us STEP 6: Select Option 2 - If You Are Thinking Of Leaving Us For Any Other Reason
UK Call Centre Times: Mon - Fri 8am - 9pm Sat - Sun - 9am - 6pm