The Ping Thing
Meanwhile, back at the DOS command prompt, another essential network troubleshooting tool is the Ping command, a great
A smart first step is to ping your computer's local loopback address (127.0.0.1). At the command prompt, type ping 127.0.0.1 and wait a few seconds for a response. Windows will attempt to ping your system's network card, to see if it's working. If you receive packets back, you know your network adapter is okay. Now ping a specific external address by
If, however, you can't get a response from an external site, try pinging the IP address of your default gateway. (You can obtain this address by using the Ipconfig command.) If you ping the default gateway and don't receive a response, it means Windows can't communicate with your router, your modem, or both. And in that case, you need to do a hardware check of your modem
A Physical Checkup
If software troubleshooting commands don't
If the link light is off but the ethernet cable is plugged into a powered-on PC, that's a clear indication that you need to replace the ethernet cable.
If the link light is on and you don't have connectivity, power off all of your network devices, wait a minute, and then power them back on. It is important to do these steps
- First turn off your PC, then unplug the power cord from your modem. If you are using a router, remove its power cord as well.
- Restart the modem next. After it has reset and its lights indicate online connectivity, power up your router and wait for it to reset.
- Once that is done, turn on your PC, open your browser, and check to see if you are connected.
If all of that fails, you've done what you could, and