dclowes wrote:I suggest you clear your cmos (default it) and try again
I think, this is not possible for him!
I suggest to test with minimum configuration:
Remove all drives, just test with power supply, motherboard, RAM and CPU. In this constellation you should be able to enter the BIOS.
If not, the problem is one of this components and it is not related to the OS.
Of course, this is not yet a solution, but then you're an importent step further.