Thanks for all the positive replies, everyone! I will continue my research and update you as I go. Key Hydra looks like a very interesting piece of software. I think I've seen it before when I was looking for ways to optimize my workflow before I had problems with my hand. At the moment I am looking for alternative ways to…
Ok, so I'm not a technician or whatever but in my experience - if the computer is rebooting like that then it's a hardware issue. Power supply, GPU or a mainboard that can't quite cope with the attached hardware running at full load. In your case I'd get my hands on a much much lower spec GPU first and try working your…