"sudo poweroff" did it for me / alternatively press hardware-power-button for 5-10 sec until lights go out. Disabling and again Enabling Wifi in BIOS might also help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950515 Title: WiFi Killer AX500s DBS stopped working in kernel 5.13.0-21-generic on Dell XPS 13 9310 and others To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950515/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs