because many things inside the bios get changed over time. not all of them are visible to the user.2 hours? do you save and reboot after every single change?:p
please never load settings from previous BIOS versionsit's better to screenshot your old settings (to USB stick, smartphone or tablet) and re-enter those values manually.
oh, I love tutorials that don't advise to backup certain things. looking at you, mister 1usmus!did you find a DTS key sticker?Edit:MAC sticker is obviousS/N: 14 out of 15 should be clear. 1 digit (the first) remains uncertain.UUID: R.I.P. - unless yo...