GNU/Linux Mint NETGEAR WNA3100M N300 Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install NETGEAR WNA3100M N300 Wireless Driver in Mint 18.x/19.x/20.x/21.x/22.x GNU/Linux Desktop.
And the Netgear WNA3100M N300 Dongle make use of the Realtek rtl8192CU Chipset.
Especially relevant, in case to check your Adapter Chipset see: How to Check Wireless Device ID on GNU/Linux.
Most noteworthy: the Realtek rtl8192CU Linux Mint Driver is already bundled in the Latest Linux Kernels.
Installing Realtek rtl8192cu Driver in Mint
How to Install Realtek rtl8192cu Wifi Driver in Linux Mint
Here Mint Realtek rtl8192cu Installation