Install Ubuntu 20.04 to Dell Precision 3450. Turn on -proposed channel, and run "sudo ubuntu-drivers install" will install oem-somerville-butterfree-meta. After installation finished, reboot the system. Kernel will switch from 5.11.0-27 to 5.14.0-1042 and hardware is working properly.
Install Ubuntu 20.04 to Dell Precision 3450. Turn on -proposed channel, and run "sudo ubuntu-drivers install" will install oem-somerville- butterfree- meta. After installation finished, reboot the system. Kernel will switch from 5.11.0-27 to 5.14.0-1042 and hardware is working properly.