How to Fix No Wi-Fi Adapter Found Error in Debian 12

Wondering how to fix the No Wi-Fi Adapter Found Error in Debian 12? You’re at the right spot!

How to Fix No Wi-Fi Adapter Found Error in Debian 12

After installing Debian 12, I was unable to connect to my Wi-Fi. And, upon opening the Wi-Fi settings, I saw this Wi-Fi Adapter not Found error:

viewing adapter not found issue on debian 12

This annoying error restricts performing all the activities and operations in which the Internet is used. So, to fix it quickly, I follow the below steps:

Step 1: Open Terminal

First of all, navigate to All Apps or Activities menu, type Terminal, and open it:

opening terminal using activities menu of debian

Step 2: Remove Interfaces Configuration

Then, open /etc/network/interfaces configuration in a text editor like nano:

sudo nano /etc/network/interfaces
opening interface configuration file in nano editor in debian 12

Clear content of the opened interfaces configuration file:

clearning content of interfaces configuration file in nano editor in debian 12

Hit CTRL+O to save the changes and CTRL+X to exit the nano editor.

Step 3: Restart the System

From the top right side of your Debian desktop screen, click on the system tray, and select the Power option. After doing so, click on the Restart… option from the drop-down menu:

restarting debian 12 using power menu

Grant your system permission to Restart:

giving permission to restart debian 12

Step 4: View Wi-Fi Settings

After a successful reboot, your system automatically connects to the Wi-Fi. For confirmation, click on the Wi-Fi icon from the system tray and open the Wired Settings:

viewing fixed wifi adapter issue in debian 12

This operation opens the Settings application, where you can view and configure your Wi-Fi related settings:

viewing connected wifi in debian 12

That’s how I fixed the Wi-Fi adapter not found error on your Debian 12 within a few minutes!

Does this method work for you too? I’d love to read your feedback!

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