I backed up my original BIOS. I then downloaded and flashed an engineering BIOS posted by another member. It works great until something updates and the laptop starts up to a black screen, no activity. It can be reflashed with the engineering BIOS and work again until etc. etc.
I've attached the original dump of this laptop with its serial number and other information in tact. I've also included the new engineering BIOS. Maybe somebody could take a look and...