I got the gtx 590 a few days ago along with triple hd monitors. When i play games like Crysis 2 or GTA IV on 3 monitors, my computer shuts down by itself. I am running an 850w psu, I thought that was sufficient for the 590 under load. GTA IV also freezes on high settings.
Processor: i7 2600k
psu: cooler master silent pro 850w
Graphics: Asus GTX 590
Ok, now that shutting down by itself doesn't happen anymore because a power cable was slightly unplugged. GTA IV and Crysis 2, even on the lowest settings, causes a system crash and an endless audio loop. The gpu does whir a bit, but temps don't seem to exceed 70 something degrees even under load. THe card is in a cooler master haf x!! This shouldn't be happening. Crysis 2 in windowed mode still freezes... Hard drive is defragged, crysis 2 runs off my ssd.