Ancient machine Q 6600 vs newer card GTX 660 - No display

Darksoulza

Reputable
Dec 3, 2014
1
0
4,510
I recently tried to install a gtx 660 to a rather old machine. Booted up the machine, and no display.
Is this system incompatible withthe card/ or so out of date that it wouldn't display:

Specs
CPU - Core 2 quad Q 6600
MOBO - Foxconn - G33
PSU - 550W

Any help appreciated