The really frustrating thing is that nobody wants to take responsibility for it. I've contacted MSI and Gigabyte now. Gigabyte confirmed the 8800GT works with my mobo, but wouldn't give a straight answer on the G92 GTS. MSI were even less helpful. They just said they don't know anything about compatibility and no issues have been reported anyway (um, what was my report :3eyes: ) so contact the retailer. (In very broken English). If either one had said it was known issue and there was a fix on the way, I'd have said fair enough and waited. I wouldn't mind if I had an exotic mobo, but it's not like Gigabyte 965's are that rare! Either way it's very worrying that Nvidia let a product get this far with a bug this serious. I'm hardly the only person suffering from it - it's even been flagged in a couple of reviews! At the very least they should post a list of compatible motherboards as the only official compatibility info we have is a pcie 16x slot with a 400w psu (cos PCIE 2.0 is fully backwards compatible). I've done a lot of troubleshooting, and the only thing I've learnt is it's not a pure power issue, as you can run the card perfectly using the same psu with a different mobo. I also know it's not a case of insufficient power through the pcie slot, as whacked the voltage up +0.2, with no luck at all. It could be a driver issue, but I've seen a lot of Nvidia drivers in my time, and this would be a first for me :bang: I'd have bought an HD3870xt by now, but it looks like that's a downgrade from my old g80 gts.