Having an issue starting up my computer. Left it unattended briefly, the cat knocked the tower over, and now it will not start up with the PCI-E connected to the video card. I was able to start up fine using onboard video. Do you think this is an issue with the video card, or the power supply?
Running: Asus M3N78-PRO, AMD ATHLON 64 X2 DUAL CORE 6000+, ULTRA LSP 550W power supply, Geforce 9800 GT 512MB
Running: Asus M3N78-PRO, AMD ATHLON 64 X2 DUAL CORE 6000+, ULTRA LSP 550W power supply, Geforce 9800 GT 512MB