Ping Test

How to identify possible connectivity concerns:
If you’re unable to access the Internet, there are a few simple commands you can perform from your command prompt to assist in determining the source of your problem. The first step is running a ping test.
• Windows: Click Start, then click Run. In the run box, type cmd and click ok.
• Type “ping yahoo.com -t” and observe the prompt. If results are frequently above 100ms, “request timed out”, and/or “destination host unreachable” then troubleshoot further.