Zotac GeForce 560 ti Blue Screen of Death

fredefl

Distinguished
Oct 6, 2011
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Hello, I have just bought a Zotac GeForce 660 ti (ZT-50303-10M).

When i use it without drivers it runs fine (But with a bad screen resolution).
When i use the driver that was on the cd, the picture is very bad.
When i use the 275.33 driver, it runs great, but I can't play 3D games.
When i use the 285.38 drive, the screen loses signal when Windows starts.

Also sometimes Blue Screen of Death accours.

I have a 500 W power supply.
And my motherboard is a Gigabyte EX58 UD5.

What can the problem be? Is my power supply allright? Or do i need a new one? And if so, what size?

Thanks in advance!