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 ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

How to find a hostname via public IP address? In order to find the hostname of a computer with a public IP address, you have to pass the address to the Domain Name System (DNS) server. Here are the ...

Your computer's IP address, the string of numbers used to identify your computer online, can be found in Windows easily. You usually don't need to know your IP address, and it's usually assigned ...

Turn off your router. Unplug the power adapter from the wall socket. Wait for a few minutes. Plug the power adapter from the wall socket and turn on your router. Now ...

Internet networking involves a lot of alchemy, and I confess to occasionally dropping an eye of newt (or an IP of newt) into a boiling pot to fix problems on my local network. There’s a particular ...

A MAC Address or Media Access Control Address is a unique identifier assigned to every Network Interface Card. In this post, we will see what is MAC Address and how do you change a MAC Address in ...

In an upcoming blog I expect to write about configuring a home router, which requires logging on to it. This, in turn, requires knowing the IP address of the router. Non-techies typically don’t know ...

To find your IP address on a Mac, go to System Preferences. Your Mac computer may also have an external or public IP address. To find your external IP address, you can use Google. An IP address, short ...