If the error is coming when no Wi-Fi adapter is found in your Ubuntu 22.04, then, you have to install a WiFi adapter in your Ubuntu system, you can do this with the command sudo apt install firmware-b43-installer and it will be fixed.
Ubuntu 22.04 No Wi-Fi Adapter Found
If your WiFi adapter is not working properly, Here are some steps to fix the no wifi adapter found issue from the Linux Ubuntu 22.04 system:
Step 1 – Open Terminal
First of all, open the terminal or command line by pressing Ctrl + Alt + T.
Step 2 – Remove Existing Broadcom Drivers
Then execute the following command on the command line to remove existing Broadcom drivers from Linux Ubuntu system:
sudo apt remove broadcom-sta-dkms bcmwl-kernel-source
Step 3 – Install Broadcom Wireless Drivers to Fix No WIFI Adapter Found Ubuntu
Once the existing Broadcom drivers have been removed, then execute the following command on the command line to install Broadcom wireless drivers in Linux Ubuntu system:
sudo apt install firmware-b43-installer
Step 4 – Restart System
Finally, restart the Linux Ubuntu system.
Once the above-given steps are complete, we will notice that the Wi-Fi adapter is now working properly, and the “No Wi-Fi adapter found” issue is fixed successfully.
Here is the video guide on how to fix no wifi adapter found in ubuntu 22.04:
Conclusion
Through this tutorial, we have learned a simple and easy way to fix or resolve the wifi adapter issues.
