I found a workaround and finally got this card to work in ubuntu 12.04 /linux mint 13, It's not really a fix though but it works.
http://ubuntuforums.org/showthread.php?t=2150830 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1186654 Title: No wireless in Ubuntu 12.04 with Ralink card 539b (rt2800pci) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1186654/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs