- In this post, we are going to discuss how to fix “Your DNS server might be unavailable” error in Windows. This is an error that sometimes appears in Windows that causes you cannot access the internet. It is surely frustrating to have this kind of error if you like to access the internet a lot. Hence, scroll down to find out how to fix DNS server error in Windows.
Causes for “Your DNS server might be unavailable” error
There are some indicators that can cause the DNS server error in Windows. We are going to show you what they are, so that you know what to do or what to check when you face this DNS server problem in Windows.
Read also: how to fix Windows Update nor working
The reasons that cause “Your DNS server might be unavailable” error in Windows are:
- Incorrect configured DNS.
- Wrong DNS server address.
- Network connection failure.
- TCP/IP problem
- Two or more anti-viruses in one operating system
- Router problem
Above are the list of factors that might be the cause or DNS server issue in Windows. There might be others reasons too, but those are the most common ones. Since you have known the reasons of “DNS server not found” or “DNS server might be down” error in Windows, now let’s talk about the solutions.
How to Fix DNS Server Error in Windows
There are several ways to fix the DNS server issue in Windows. You can follow the steps below so that you no longer see “Your DNS server might be unavailable” error message in your PC.
Method 1 – Do basic troubleshooting
We will start with the basic ways that you should do to fix the error. Follow the steps below:
A. Reset Router
This DNS server not found error can come from the router. You can try resetting the Router to get rid of the problem.
1. Firstly, shut down your computer.
2. Then, unplug your Router.
3. Press the Reset button using a pin or needle.
4. Connect the Router again.
5. Start PC.
This is the very basic method you can do when you get this problem for the first time.
B. Uninstall Anti viruses
If you have more than one anti-viruses installed on your PC or computer, you can uninstall one of them and only install one antivirus for your PC. Having more than one anti-viruses in one operating system can lead to system crash.
Just choose one antivirus that you think is the best, such as Avast, AVG, Norton or other antivirus and keep it update.
C. Update Windows and Drivers
Outdated drivers or Windows bugs can be one of the causes of DNS server might be down error in Windows. We strongly recommend you to download and install the Windows updates and drivers if any.
After you have performed the three basic methods above, you can check if the DNS server not found error has gone.
Method 2 – Request New IP Address
The second method that you can try if the basic methods above fail is request for new IP Address from ISP server. This method can solve most problem related to the internet network. The steps are as follows:
1. Press Windows + R together to access Run dialog box.
2. Then, write cmd and press OK to open the Command Prompt window.
3. Type these following commands in the Command Prompt and press Enter after inserting each of the command:
- ipconfig /flushdns
- ipconfig /release
- ipconfig /renew
The commands above will reset your DNS. Your PC will ask a new IP Address and
“DNS server could not be found, could not be reached” errors or warnings will no longer appears in the future.
Method 3 – Reset TCP/IP using cmd
Resetting TCP/IP (Transmission Control Protocol and Internet Protocols) is another way to resolve DNS server error. Below are the messages that usually show up when you have an error with TCP/IP.
- DNS server timed out
- The DNS server isn’t responding
- DNS server disconnected
- The Diagnosis Policy Service is not running
- DNS server keeps disconnecting
The solution to fix this issue is resetting TCP/IP. Do the steps as follows:
1. Firstly, hit Windows + X and choose Windows PowerShell (Admin) / Command Prompt (Admin).
2. Secondly, write the following command in the Command Prompt:
netsh int IP address
3. Finally, press Enter.
The method above should have fixed the DNS server error and you will not see the “Your DNS server might be unavailable” problem in the future.
Method 4 – Use Google’s Public DNS
This is the other method you can do to solve DNS server error in PC Windows. Google has provided public DNS that can be used for everyone for free. We are going to show you how to set up Google’s Public DNS in your PC or computer.
To set up your DNS, do the tutorial below:
1. Hit Windows + R key simultaneously to open Run dialog box.
2. In the Run dialog box, write ncpa.cpl and hit OK.
3. Search for your network profile. Right click on it and choose Properties.
4. Then, select Internet Protocol Version 4 (TCP/IPv4) and press Properties.
5. Next, choose Use the following DNS server addresses. Insert the following address:
Preferred DNS server: 184.108.40.206
Alternate DNS server: 220.127.116.11
6. Press OK.
Now, check your internet connection. The DNS server error must have gone.
That’s all. Those are the four best methods you can try to fix DNS server error in Windows. If you still experience the problem after you try all the methods above, we suggest you to call your engineer support. We hope it helps you resolve DNS server problem in your PC. Thank you for reading win10repair.