Categories: TutorialsUbuntu

Fix: “Ubuntu No Wi-Fi Adapter Found” issue.

Many Ubuntu users are struggling with hardware compatibility issues such as: B. If they cannot detect a Wi-Fi adapter or graphics card. This is not a problem with any Linux distribution; Rather, it is because the system does not have the correct drivers installed.

This can be fixed by either running some commands in the terminal window or performing a software update using the Software Updater application. So, in this article, I will show you both methods step by step to solve No Adapter Found issue in Ubuntu.

Using the software updater

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STEP 01: Before starting, make sure you have saved the Ubuntu installation ISO file in your home directory. Next, run the following commands in the terminal window to mount the ISO:

$ sudo mkdir /media/CD-ROM

$ CD~

$ sudo assemble – oh loop [name of installation ISO file].iso

This method does not require an internet connection. If you have an internet connection, you can skip this step and go to the next step.

STEP 02: Go to the menu bar and look for Software & Update. Just launch it by clicking on it as below screenshot shown:

STEP 03: In the next window, click on the first tab i.e. Ubuntu Software tab. Now check the box just below Installable from CD-ROM/DVD.

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STEP 04: Next, go to the Additional Drivers tab. Here, enable Using Broadcom 802.11 LinuxSTA wireless driver source from bcmwl-kernel-source (proprietary) and then click Apply Changes.

This will start the installation process. Once this is complete, your Wi-Fi card should be working properly.

Using Broadcom’s wireless drivers

STEP 01: First, remove existing Broadcom drivers by running the following commands in Terminal:

$ sudo apt removes broadcom-sta-dkms bcmwl-kernel-source

STEP 02: Now it’s time to install Broadcom Wireless Drivers by running the following command in Terminal:

$ sudo suitable To install firmware-b43-installer

Once the installation is complete, you will find that the Wi-Fi adapter is now working properly and the no Wi-Fi adapter found issue has been successfully fixed.

Conclusion

This article has shared two methods to fix Ubuntu No Wi-Fi Adapter Found issue. These methods use Broadcom’s Software Updater and wireless drivers. We hope you found this article helpful. Check out the other Linux hints articles for more tips and tutorials.

Source

Ubuntu Server Admin

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