to the forum.
How does your brother connect to the Internet? Through a Cable Modem or the TV Set Top Box?
If it's through the Cable Modem, then he may just need to unplug the modem from the mains, plug it back in, then plug the computer into the modem when the lights have settled.
If he connects through the set top box, then he'll need to do that, but also, the first time he tries to visit a site, he will get prompted to enter his PID (long customer ID number) and Pin (4 digit pin). Both of these can be obtained from Customer Services. If he doesn't get the prompt, he may need to type the address which (IIRC) is
http://start.ntl