okay I hope im posting this in the right place sorry if I didn't. okay I have an hp presario desktop 2004 and i a unable to use the internet because my ipadress has disappeared i have tried turning off everything restarting new cables and everything ipconfig/release renew restore and nothing it won't show up and when i tried the releas it says that it has been released but theres nothing there with the renew it says unable to connect to the RPC driver. I have a cable connection so it's just a modem no router and i just use and ethernet cable to connect to the internet they are all working fine called cable company and they were unable to help either sais it must have something to do with the compter. so if there is anyone who can help please do i am desperate here....