Lo and behold, modprobing hp-wmi caused the Bluetooth icon to appear again (on).
** Attachment added: "lsmod.log" https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/658675/+attachment/2814113/+files/lsmod.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/658675 Title: Turn off Bluetooth also turns off wifi To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/658675/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs