Asus routers, like any other routers, faces several technical issues that are experienced by many users. Among them, the most frequently faced error is the Asus router authentication error. This error occurs when users try to establish their WI-Fi network with a connected Android device. 

Sometimes, it appears when the router is not properly connected with the Wi-Fi network. Additionally, entering the wrong credentials such as username or password can cause this error as well. 

Easy Solutions to Fix Asus Router Authentication Error

As the Asus router authentication error occurred when you trying to connect to a Wi-Fi network on your Android device. This is a very embarrassing situation for you. Therefore, it is high to resolve the issue.

Here, in this section, we illustrate a few solutions which will help you out to get rid of this situation.

Solution 1: Reset the Wi-Fi network Connection

The first thing that you need to do is to reset the Wi-Fi network. This will roll back the router back to its default factory settings. As a result, it should easily resolve the issue on your Asus router. 

Thus, you can do this by following the instructions below. 

1. First, turn off the router and unplug all the cables connected to it. Next, locate the reset button at the back of the router. If you cannot find it, then you can look for it online or by searching your model number online. 
2. Now, take a small pin and press the reset button with the help of the pin or something equally thin. Keep pressing for about 10 seconds and then release it. 
3. After successfully resetting the route and the Wi-Fi network, connect the cable with the router in their respective positions.
4. Now, configure all the internet settings as before and try to connect to the internet. 
5. Finally, check whether you are getting a stable network on your android device or not.

Solution 2: Change Wi-Fi Network Connection

Another effective solution to resolve the authentication problem is to change the Wi-Fi network. Hence, you need to change the IP setting of the devices or you need to modify it to get a safe and secure connection.

Alternatively, you can change your DNS settings as well. Follow the instructions below to do so. 

1. Press the Windows key along with the letter ‘R’. Next, type ‘Control’ and press the enter button on your keyboard.
2. In the Control Panel window, head over to Network and Internet and go to Network and sharing center. 
3. Here, select the ‘Change adapter settings’ and find your primary network adapter. It will either be a wireless connection or a ‘Local connection’. Right-click on it and choose properties. 
4. From the Networking tab, select Internet Protocol Version 4’ and click on Properties. Select ‘Use the following DNS server’ and enter the following under Primary and Secondary respectively.
   
   • 8.8.8.8
   • 8.8.4.4
5. After doing this, restart your system and you should not face this issue anymore. 

Solution 3: Check the Wi-Fi Password

According to users, the Asus router authentication error has occurred when you enter some wrong credentials such as a wrong username or password. 

In case you’ve forgotten the password, then you have to reset your router to go back to its default settings. Thereafter, you can enter a new password and use it to re-login on your Asus router.  

Final Words

To conclude, the above steps should help you to fix Asus router authentication error easily. Make sure that you follow each step carefully. If you’re still facing this issue, then you need to get in touch with technical support to have them resolve this issue. However, this issue should be easily resolved by resetting your router or updating the firmware of your Asus router.