I fry a UPS and install a printer

My workstation began to reject the ATI Radeon x1600 pro, like a tumor when video rendering. It did have slight screen tearing issues after I installed the card, but I was ignoring it. I just rendered the video without the Radeon installed.

Not sure if the PSU or the Dual GPUs are the problem. ... https://www.youtube.com/watch?v=u3SnAmV-9pI