This mobo has onboard DSub and DVI connectors. Try plugging your monitor into the mobo. If this works, then the BIOS may need to be changed to read from your GPU first.
... im a little embarassed. I found the problem. i simply forgot to plug the power supply into the 8-pin EATX12V. i only plugged the 24-pin.
now its works like a charm i still didnt hear any beeps though
thanks for your help anyway guys
Nice. Regarding your no beep concern, are you sure you have a mobo speaker installed? Keep in mind this speaker is not the same as connecting your desktop speaker or X.1 audio system. A mobo speaker looks like this: