Oftentimes, the Microsoft Lumia 640 displays the Authentication Problem message when ever you try to connect to a Wi-Fi network. This kind of error message can possibly be caused by several places. So, so that youre able to connect properly to the Wifi network with your Microsoft Lumia 640, we decided to produce this tuto. So we will observe together what to do and where to look to resolve this problem of Wifi authentication. We will see at initially what you must do on the Microsoft Lumia 640. Finally, we will see what it is required to do and check on your Wifi box.
How to proceed when the Microsoft Lumia 640 has an authentication problem on the Wifi network
Forget the Wifi network on your Microsoft Lumia 640
In the event that the Wi-Fi network to which you want to connect has been changed since your last authentication, your Microsoft Lumia 640 may display the text message: Authentication or authentication error . In the event that the trouble comes from there, the solution is straightforward. Simply forget about the Wifi network in your Microsoft Lumia 640. To achieve this, go to the settings of the Wifi network and keep pressed on the network in question. You will after that have the option to select the option: Forget this network . Once it’s completed, youre able to try again to connect to the Wifi network. If the trouble is not fixed, go to the next step.
Press the box button
Whether your box is Orange, Bouygues Telecom, SFR or Numéricable, it might happen to have a trouble of authentication Wifi on the Microsoft Lumia 640 because the box is not in Synchronization mode . If you need to activate the synchronization mode of your box, it is very basic. You should find a synchronization button to press. When ever this is completed, a light will most of the time start blinking. You can actually after that try to reconnect to the Wifi network with your Microsoft Lumia 640. In the event that it still will not function, go to the next trick.
Retype Password
Oftentimes the authentication problem comes from the solution you type the Wifi network security password. In truth, it is sometimes subtle to type a security password Wifi on its Microsoft Lumia 640. We consequently advise you to try all the following possibilities:
- Type the code without spaces or hyphens
- Type the security password in uppercase
- Type the security password in lowercase
Restart your box
As in a great many computer problems, the solution is at times very simple. In truth, 80% of the computer problems are solved by restarting the machine. We therefore recommend you to restart your box and your Microsoft Lumia 640. Then try to reconnect with your Microsoft Lumia 640.
Check box settings
In the event that none of the previous solutions did function, the problem might be found to be on the box of your provider. It will consequently be required to go in the parameters of the box and to check whenever the system of key is in WPA / WPA2 . In the event that this is not the case, select this option. Then try to connect your Microsoft Lumia 640 again to Wifi. In the event that the authentication trouble continues, we highly recommend that you contact your service provider or a telephone store.
