Black screen on boot, then windows login screen apears!

BlackSpirit

Honorable
Jun 14, 2014
10
0
10,510
I have a new build

Asrock extreme 6 tb4
2x r9 290
I5 3570k
8gb ram

I put a new os on (win 7 64bit ultimate) and i was able do download everything after some swaping if the cards ram and reseting the cmos. It where running but everytime now its not showing a video signal till windowsls login . And the amd ccc is only showing r9 200 series gpu dont know if thats ok ( crossfire is anabled ) .
 

BlackSpirit

Honorable
Jun 14, 2014
10
0
10,510
So i can get in the bios if i conect the monitors into the 1st card but the i cant get into the windows . If i switch both conectors (2screen) to the 2nd card (bottom one) i get the windows screen