having problems with not being able to upgrade my video card i bought an NVidia GeForce FX SERIES 6600 512MB but i can't figure out if i have a slot for this thing if i do it has no female plug to push into it has holes for a female push plug and some slots that look like fax modem slots i am unable to locate my video card the plugs are vertical for the monitor and serial i don't know if there is just wires run up there or what but i can't figure it out someone help!