Quote - > Quote - I have an ATI HD 5700 and no such problems. Unfortunately, I can't help you because everything worked as expected "out of the box", and I never had to tweak my settings. But I doubt that it's an ATI/OpenGL compatibility problem.

What driver version are you using for your card? Mabey I can try the one you're using and see if it makes a difference.

...and as far as working out of the box, my ATI/AMD Sapphire HD 5770 Flex works perfectly in everything except any form of Poser [Poser Pro, Poser 8 and Poser Pro 2010 64bit, yes I have all 3 installed] and DAZ|Studio.

OpenGL is OpenGL, it shouldn't matter what video card is used.

My previous card, the ATI X1900XT worked just fine using the last available legacy drivers. I only upgraded because of a couple of DirectX 11 games that I bought.

I have the latest drivers. 8.850.0.0

There was a recent optional win7 update for ATI 5700 series drivers that I put off installing until I was ready to test, in case I needed to restore afterwards. But there were no problems.

Maybe the Sapphire Flex sucks for OpenGL and whatever I have doesn't. (Apparently, without opening the case, I can't tell exactly what I have.) But it just seems so unlikely to me.

Then again, ATI horror stories abound on the 'net. It surprises me that anyone gets these cards to work for anything.

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PoserPro 2014, PS CS5.5 Ext, Nikon D300. Win 8, i7-4770 @ 3.4 GHz, AMD Radeon 8570, 12 GB RAM.