Same problem:
With USB 3.0 enabled on bios, PC restart after shutdown With USB 3.0 disabled on bios, PC shutdown without restart
Hardware: Dell Optiplex 9020 with latest bios (A16) OS: Ubuntu 16.04 & 16.04.1
Same problem:
With USB 3.0 enabled on bios, PC restart after shutdown
With USB 3.0 disabled on bios, PC shutdown without restart
Hardware: Dell Optiplex 9020 with latest bios (A16)
OS: Ubuntu 16.04 & 16.04.1