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 ...

A high-speed Internet connection is no longer a luxury for most businesses; it's a necessity. As a result, many businesses now use broadband cable connections to surf and work over the Web at ...

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 ...