Motherboard problem?
 

Back in May, my hard drive (Seagate Barracuda 7200.10 ST3250410AS 250GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive)crashed so I turned it in under its warranty. When I got the new one, I plugged it in only to find I had no video. I bought a new video card (GIGABYTE GV-N250-1GI...