display not turning on

I haven't updated the bios yet after purchasing. So i build this new pc and now having some issues while turning on the pc. When i click on the start button my pc starts booting up and the delete button to go to bios message shows up but when it tries to show windows welcome it just seems to go...

I've had an ACER S271HL for the past 4 years now, and everyday before this week it has worked perfectly fine (though it had a very very few dead pixels), though starting this week the power light kept flashing blue and orange repeatedly and the display would stay blank, though after a few...