Please excuse the Vanity post - I am desperate! I have a new PC with Windows 7. At odd times I loose the Internet connection. I know cable internet signal is coming through the router as other PCs in the system have connections. At first the lost connection was happening each time I would reboot. Now it happens at seemingly "random" times .... I realize it's probly not random, but I can't see a correlation yet ... and the connection usually comes back when I reboot again. The Dell tech support wants me to reinstall the windows software. That would...