I have just run this program earlier and after the desk top reboot I could not connect to the internet. I have run a check on my computer found the the IP address show

what has happened? I have called the service provider the technician claim that the cable from the modem to the computer need to be replaced. but I have used another cable, having done the IPCONFIG still finds the IP address not available. Currently am using the same modem connected to a wireless router, with my laptop the modem is working, but the desk top is not