Black screen on start up

[Drapoel]

Hello.

I just instaled a new setup on my computer:

Asus Rampage II Extreme X58 S-1366
Intel Core i7-920 Quad 2.66GHz CPU
OCZ Gold XTC 6GB 1600MHz DDR3 KIT
Sapphire Radeon HD 4890 Toxic Edition
Corsair TX 750W PSU

When I have set up all the cabels and set up all the parts, I'm trying to start the computer, when i start the computer all of the fan's, cpu, HDD, all starts up. But the screen is just BLACK.

I have tried to reset the bios, tried to take out backup batteri, remove all ram but nothings happen..
When the computer start up, there is coming none beep, its just "quiet" and nothings happen...
Anyone who can help me with my problem?

[BUFF]

Hi

wrong area as this is abit suport - you'll get more people (incl. Asus users) looking if you post in http://forums.hexus.net/help-technical-advisory/