Suddenly you cannot access any websites through the Internet. Then you try to troubleshoot the network problems on your Windows. It tells you the DNS server not responding error. You may see one of these:
The DNS server isn’t responding.
Your computer appears to be correctly configured, but the device or resource (DNS server) is not responding.
This problem could be probably caused by your incorrect DNS server address. So you can follow these to correct your DNS server address:
1. On your keyboard, press the Windows logo key and R at the same time to invoke the Run box.
2. Type control and press Enter.
3. Click Network and Sharing Center in Large icons.
4. Click Change adapter settings.
5. Right-click on Local Area Connection, Ethernet or Wi-Fi according to your Windows. Then click Properties.
6. Click Internet Protocol Version 4(TCP/IPv4), then Properties.
7. Tick on Obtain an IP address automatically and Obtain DNS server address automatically. Then click OK.
8. Click Internet Protocol Version 6(TCP/IPv6), then Properties.
9. Tick on Obtain an IP address automatically and Obtain DNS server address automatically. Then click OK.
Restart your computer and try to access the website you want to go again and see if it succeeds.