It happens often that users face issues with network, be it office network or the home network. In such a case it is good to have a toolkit ready to act fast and resolve the problem. The toolkits include built-in Windows tools, which require a few basic commands to diagnose a network problem to help them get resolved fast.
So whether your computer is not being able to connect to the internet, or have any network resources, the tools can still work for you. Here we take a look at the best ways to diagnose network issue:
The first thing to do is to check the condition of the network cable. If it is fine, then do a IPCONFIG /all as given in the image.
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Now, check that the IP address, default gateway and subnet mask are all correct. Sometimes the network problem gets resolved by making modifications in the IP address and other aforementioned system. If the network still gives you trouble, follow next step.
Check the servers by IP address using the ping command. Now check for DNS issues by using the server's name.
There could be something wrong with the internal DNS. However if it works, then try pinging a website like www.google.com to test external DNS resolution.
Even if that works well, then run a Netstat ""a and check who is connected to your system. It could be due to a Trojan or virus attack, that the system is not working properly.
If you find everything clean, then try pathping or tracert between the system and your internet connection to diagnose any remaining network issues.
You might find out that another machine is using the same IP address or host name as your desktop or machine, which is causing network issues. If this happens, you can use Angry Ipscanner.exe to look out for that IP address or the entire network to find the host name.
If yes, then use Wireshark (earlier called Ethereal) which will check network adapter for all traffic and responses. AskTheAdmin.com can help you with your output!