I don't know if this is a cablemodem problem, or an HP Pavilion problem, or a Windows 7 problem. When I try to register something within a program (say, Quicken) or connect to my bank, or register my installed Office suite, or even update my virus definitions, there is always a communications...
I have a Motorola SBV5120 SURFboard cablemodem and I´ve never experience any problems connecting to Internet. But I tried to use a Tenda W541R router and I can´t access the Internet. My Internet provider support service said there´s no problem with the modem (I still can connect if I use it...