Wifi Not Working Linux Mint 20 Troubleshooting Guide

GNU/Linux Mint 20 Fixing Wi-fi Not Working Issue Guide

Hi! This Guide Try to Solve Step-by-step the Wifi Not Working Issue in Mint 20.x LTS GNU/Linux.

Especially relevant, the Issue is usually caused from these reasons:

• Missing Wi-fi Device Driver or Firmware
• Unsupported Wi-fi Adapter

So first, you have to know exactly what is your Wireless Card Vendor and ID.

Then is this Guide you’ll find detailed instructions about How to Install Drivers on GNU/Linux.

Finally, in case of an Unsupported Device you’ll find also some advise about to Get a Working USB Dongle replacement.

1. 1. Terminal Getting-Started Guide

   How to QuickStart with Command Line on Mint GNU/Linux:

   Console Mint QuickStart Guide

   Getting-Started with Command Line on Mint Linux

   First Update the Apt Repo Sources with:

   sudo apt update

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.

2. 2. Looking Up Card Model

   Then to Find Interface Vendor and ID For the PCI/PCIe internal Adapters simply run the Command:

   lspci -v | grep

   But for the USB Dongles try instead with:

   lsusb -v | grep

   The grep Command refine the result following the matching Keyword.
   

   And in the Output you’ll easily See the Card’s Manufacturer and Model:

   

[nextpage title=”Installing Driver”]

3. 3. Installing Wifi Driver

   How to Install Wireless Driver in Mint

   Wifi Driver Mint Setup Guide

   GNU/Linux Mint Wifi Driver Installation Tutorial
   And then in case of further Trouble you should also try to see: How to Update Firmware Guide.
   Last, you have to know how a Possible Turn around is of Buying some Cheap USB Wireless Dongle.

[nextpage title=”Buying USB Dongle”]

So here I have included Link to some of the Supported Wi-fi USB Adapters Alternatives!

But you are Free to Search Online about the more convenient Linux Supporting Adapter.