asrock n68s ucc and msi gtx460

[tryme try]

i have a asrock n68s ucc and i just got a msi gtx460 ,no signal on the monitor,the video card works try it on other pc's,on this mobo i had a gt430 and works fine. specs of my mobo: asrock n69s ucc, athlon II x4 640 8gb kingston pc3 10600,psu b quiet e5 450w monitor samsung syncmaster s22a1009,the cable is a vga with adaptor for dvi cuz de video card have only dvi and monitor has vga only.
I did update bios downgrade,reset bios nothing works,if someone can help me pls thank you

 

[popatim]

If the 460 has two dvi ports, try the other one. One is usually dvi-i (vga compatible) and the other is dvi-d (hdmi/DP compatible)

 

[tryme try]

i try'd both and nothing no signal, can be incompatible the gtx with the motherboard pci ex slot?