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 ...

When in an area without Wi-Fi access, you can use your 3G/4G-enabled smartphone to surf the Internet or use it as a laptop modem. 3G/4G Internet access, though, is usually limited to urban areas where ...

If you have a Bluetooth enabled laptop or desktop with a modem, using the dial-up service from your handheld can be easier than sharing an internet connection. One example: you're in a hotel room and ...

Before installing your new modem, you need to disconnect your old modem from your cable wall outlet and computer first. Connect the modem power cord into an electrical outlet. Connect the other end to ...