Background: Linux Mint Debian running in Mate Environment Prior to verify the model of you wireless Network Controller, it is important to ensure that Network Manager(which is default in Gnome and Mate) is running. Issue command: sudo lshw -C network Please note that *-network UNCLAIMED is shown prior to installing the required package listed below. Ensure that your /etc/network/interfaces file is clean as mine: source-directory /etc/network/interfaces.d auto lo iface lo inet loopback The most you need to add are the three lines above. From the above the model is RT3090 Wireless 802.11n PCIe. Required package: ' firmware-ralink ' and ' wireless-tools ' package Install the ' firmware-ralink ' driver (perhaps ' wireless-tools ' too if not already installed) to provide support for RT3090 driver. Issue command: sudo apt-get update && sudo apt-get install firmware-ralink Important: ensure no Ralink RT28xx driver i
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