Addressing Network Connectivity Problems

Q: I’m running into connectivity issues. Can you offer advice on how to diagnose a connection issue and name a tool or application that can help?

A: Troubleshooting connectivity issues can be, well, troublesome. Always have a plan of action, or you can easily make problems worse. The following action plan is a good place to start:

1. Data link: Check cables, the network adapter and lights.

2. Software: Monitor the firewall and any other applications.

3. Network: Verify IP configuration and network connection.

As you complete each step, check to see if your network connection has started working.

Start with the data link by checking some of the obvious components of your network. This may sound simple, but sometimes ignoring the most obvious things can waste a lot of time. Make sure your network cable is properly plugged into your network adapter slot on your computer and the other end of the cable is properly connected to your router or modem, depending on your network setup.

If you are using a modem, usually there are lights that detect a connection with your computer and indicate whether the modem is responding. Try unplugging your model and leaving it unplugged for about five to 10 minutes. Plug it back in and give it some time to load. If your modem is connected to a router, perform the same steps for the router as you did with the modem. Lastly, check the lights on your…


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