Hi!
I've just moved into a new flat. There was a letter from Virgin Media saying our flat was already wired for Virgin Broadband. I signed up for the 108mbps package, received my router, and was texted the next day to say my broadband had been activated.
There are several applicable cables in the flat, but none work (the wireless light is green but the power lights keeps flashing; no light for the internet). Here are the cables:

I can't seem to find a Virgin wall box anywhere, although there are some for other providers.
If I have to have an engineer come and install a wall box, I first need to clear this with the letting agency, something I thought I could avoid as Virgin said my flat was already wired for their broadband.
If anyone could help out with further info, it would be much appreciated.
Many thanks in advance!