GNU/Linux Mint 19 MacBook Air Wi-fi Driver Installation Guide
Hi! The linked Post shows you How to Install MacBook Air Wireless Wifi/Bluetooth Driver in Mint 19.x Tara/Tessa/Tina/Tricia GNU/Linux.
And the MacBook Air are equipped of the Broadcom Wi-fi Cards.
So the linked Guide describe Step-by-step How to Install Broadcom Wireless Driver on Linux Mint 19.
1. Launching Terminal
How to QuickStart with Command Line on GNU/Linux
2. Looking Up Card Model
Then to Find Wireless Card Model
For the PCI/PCIe internal Adapters simply run the Command:lspci -v | grep Wireless
But for the USB Dongles try instead with:lsusb -v | grep Wireless
The grep Command refine the result following the matching Keyword.
And in the Output you’ll easily See the Card’s Manufacturer and Model:3. Installing MacBook Air Wifi Driver
How to Install MacBook Air Wireless Driver/non Mint 19 GNU/Linux