Ok so , I have Dell XPS 8900, I changed the mobo recently. After some minor hiccups everything seemed fine for about a week. I tried updating the bios tonight and Now my computer wont boot.  When I connect the computer it blink the power button. 2 times, pause, 3times, and repeat.. 2,3,2,3(Just orange light)  Anyone can help me? Thanks in advance for any help.