Eu instalei o Ubuntu 16.04. Mesmo se eu clicar na opção habilitar wifi, a lista de Wi-Fi será exibida e desativada.
Também tenho o adaptador wi-fi TP-Link TL-WN722N.
lspci -knn | grep Net -A3; lista rfkill
08:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
DeviceName: Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Ada
Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec]
Kernel driver in use: rt2800pci
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
3: phy3: Wireless LAN
Soft blocked: no
Hard blocked: no