Virgin Media Hub no longer working

Hi,

My Hub 5 is no longer working. I have tried turning it off and on again, but during boot up it seems to get stuck at the flashing green light. I believe this is supposed to be a download of a software update, but it has sat like this for several hours, and does not seem to come out of it.

There was a lightning strike quite close to the house yesterday at around 2pm, although it did not strike the house. The hub has not been working since then. Immediately after the strike, the red light was flashing. I switched it off and on again at that point, and it has been getting stuck at the green flashing light ever since.

Please help, I have no internet and no home phone. Thank you