I have had display driver failures, with the nasty black screen, for years, with both Vista and 7. I currently have a dual-boot, with one drive having 7x64 and a new drive vistax32 SP1. I use the vista drive almost exclusively, as the 7 drive takes 15 minutes to shut down, and has frequent DDF's. Now, the vista drive has started having them. I took it off Aero, optimized for performance and stopped using my Logitech wireless mouse. So far, it's been stable. I know this is a very mysterious problem, with many possible causes/solutions. I'm just wondering if anyone has any thoughts on it. It happens only online, and even then only certain websites, often when there's a video playing. I tried updating the driver, but as with the 7 drive, when I find a relatively stable driver, I tend to stick with it. The newer drivers are even worse. I'm currently using the onboard video that came with the computer, a Gateway GT 5656, dual core with 8 GB RAM, with Nvidia graphics.