Can you paste your dmesg right after the boot (with the adapter plugged in)? lsusb -v also helps.
Then run dmesg -c, unplug, plug it again, and paste the output of dmesg again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509859 Title: Edimax AC-1200 (rtl8812au) does not work on boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rtl8812au/+bug/1509859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs