If you have a DSL line in your office and use a DSL modem to connect your business computers to the Internet, you might need to use the modem's Internet Protocol address. If you don't know the IP ...

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 ...

(Internet Protocol address) The address of a connected device in a TCP/IP network, which is the worldwide standard both in-house and on the Internet. Every desktop and laptop computer, server, scanner ...