Essential BIOS 1.3.0 update for Alienware x15 and x17 owners now available to boost performance and enable hybrid graphics switching - NotebookCheck.net News
r12 boot list can not selected, : r/Alienware
Solved: 15 R3, unable to boot up - Dell Community
Boot new Alienware R12 from old PC's M.2 SSD as ext. Sabrent USB - Windows 10 Forums