Hello, I am having problems that appear to be Video Card related. Starting May 24th, my computer started crashing when in Windows. I first noticed this while playing Madden NFL 2006. At this point, the computer would almost fully power off. The drives would all power down but the power light on the front of the case stayed on. To turn the computer back on, I had to hold the power button for 8 seconds to power down the MOBO and then press power again. While troubleshooting on May 25, I could get the computer to load windows but it would crash in the same way within 5 minutes. I booted the computer to BIOS only to monitor CPU Temperature (peak at 45C). After about 5 minutes, the computer would crash in the same way from BIOS. After removing the video card (NVIDIA GeForce 2 MX), I rebooted the system. Of course I couldn't see anything but Windows appeared to stay up for more than an hour. Every time with the video card in, it would crash within 5 minutes. I assumed it was the video card at this point and ordered a Radeon 9550. Once this card was installed, Windows loads and stays up for 8 hours or more. The same crash event happens whenever I try to use 3D graphics. I narrowed it down to this by using PassMark Performance Test 6.0. Any ideas what is happening and how I can fix this? Thank you in advance!