How-To Geek on MSN

How to Check Open TCP/IP Ports in Windows

Run the command "netstat -ab" in an elevated Command Prompt, PowerShell, or Terminal window to see a list of applications and ...
PC World

How to check the power, current, and voltage of USB ports

Have you ever wondered whether your USB ports are really delivering maximum power? There are several ways to find out. Windows offers you built-in functions to check the performance of your USB ports.