If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...

If the Windows Network Diagnostics report displays the message The connection between your access point, router, or cable modem and the Internet is broken after you run the Internet Connections ...

Kathy Hintz wants to know why a friend can’t get an Internet connection. I hate network problems. They’re the worst. When they happen in my house, I tend to use a vocabulary that would shock Quentin ...