Try a pinhole reset and the set up instructions below.
Ensure the router is on and take a pen or a paperclip and look on the back of the router and you will see a small round hole big enough for the pen to go into press the reset button in this hole for approx 10 seconds then switch off the router and modem and switch modem on first let the lights settle then the router and wait till all lights are green now run the set up again
Quick router set up for the V9
connect your laptop direct to the router in port 1to 4>open internet explorer>in the address bar put http://192.168.1.1/ when the login screen appears put in the username : virgin and the passphrase : password> the Netgear router page will now appear, down the left side click on Wireless settings>now name your network, something you remember and replace the passphrase with a new one at least 8 characters long and click apply, wait for it to finish updating and close the page.
disconnect cable from laptop and router, ensure inbuilt wireless switched on, go to system tray and look for connect to a network icon ( not the virgin icon ) click it and find your network name, click connect put in your passphrase and when it says connected open a browser page and you should be connected.