Not got my OS yet. But I'm just trying to enter Bios but I keep getting a BOOTMGR error. Not sure where the error stems from and how to work out what needs addressing.
Board - Gigabyte GA-Z77M-D3H
if you get that message the bios screen has gone pass you..most time it the del or f1 when the computer posts. check your usb keyboard see if it lighting up..if it not try moving it to a usb 2.0 port. if you have too use the clear the cmos jumper to force the pc to go into the cmos. or try a ps-2 keyboard or another usb one.
Problem solved. For some weird reason it wouldn't enter bios with the vga cable plugged in. Started up the PC with monitor disconnected and then connected it afterwards and it let me in.
Sorry to bother you
But I am actually having the same problem (can't access the bios on new build)
I was just wondering how you did this?
Did you power up and then as soon as the LED came on did you plug the VGA cable into the computer, or did you wait a bit