Silly question but have you tried changing the batteries?
You might be able to order the remote by signing into My Virgin Media or clicking on Check service status further up this page, then when the page opens scroll down to the three tabs, broadand, TV and phone.
Click on the TV tab, then my remote isn't working and follow the prompts. You should be able to order a replacement remote from there
The Service you do for others is the rent you pay for your room here on Earth - Muhammad Ali
I am sorry to hear this and I can look into this for you, and can get you a new one sent out. I will pop you over a private message and take a look for you. Just keep an eye out for the purple envelope.