Please boot using kernel 4.10.0-20, and run "sudo dkms install bcmwl/6.30.223.271+bdcom -k `uname -r`" And see what really happens.
Please boot using kernel 4.10.0-20, and run 30.223. 271+bdcom -k `uname -r`"
"sudo dkms install bcmwl/6.
And see what really happens.