I had the same problem the easiest thing is to replace the broadcom wifi card. its really simple to do that.
order yourself an Intel Wifi card like me. costs around 45 USD it will work without doing anything once you replaced the broadcom card no need to type in any commands. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/135b62dc-5074-4bff-8318-9c14c96adefd%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.