I can't use edimax ew-7711usn device on debian stretch. I've loaded
firmware-misc-nonfree package. I'm seeing the device and wirelees networks in network manager. But I can not connect to one of them.
...:~$ lsusb
...:7711 Edimax Technology Co., Ltd EW-7711UTn nLite Wireless Adapter [Ralink RT2870]
How can I solve this problem?
Please help me.