Help!! my computer shows only a black screen??

blee93

Distinguished
Oct 24, 2009
3
0
18,510
i'm a newb at building computers but hear me out
when i boot my computer, nothing but a black screen comes out
now i'm sure this motherboard works because i transferred it from another computer that i built and ripped apart to use for this computer
i think everything else works i tried putting the ram one at a time
i tried replacing the cpu
any other suggestions?
 

blee93

Distinguished
Oct 24, 2009
3
0
18,510
sry about not posting that up earlier
Specs:
Ultra X-Blaster Clear Side Blk Mid-Tower Case
Patriot 4096MB PC 6400 DDR 800 MHz
AMD Athlon X2 7850 Black Edition Kuma 2.8GHz
Western Digital Caviar Blue WD1600AAJS 160GB 7200 RPM
ASRock ALiveNF7G-FullHD R3.0 AM2+/AM2 NVIDIA GeForce 7050 Micro ATX AMD Motherboard