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 ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

Don’t toss your router just yet. Here are simple steps for using it to improve the Wi-Fi signal of your new equipment. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...

I have a computer with a cross over cable to another network device. I do not know the IP address or the MAC address of that device on the other side of that cable. Is there a way configuring my ...