Hi everyone. I am so pleased I have discovered this forum. For about 2 months now I have been putting up with multiple daily crashes. The system is about 2 years old and has been faultless up to the point where it started crashing. I spoke to the manufacturer who suggested memtestX86 and a core temp test. These have both come back without issue. Since then I cannot get him to help anymore. I am at the point of throwing it away and buying a new machine. It would be great if I did not have to do that! So, I have completed my PC specifications. Intel i7 920 6GB 1333MHz DDR3 Intel X58 Motherboard ATI 4890 Graphics 1GB Dual DVI Ports 700 Watt PSU Card Reader AVG Virus 1 year Windows 7 Home Prem 64bit Coolermaster 330 all black (as shown in my listings) 2 X 120mm Cooling fans 150N Wifi (Draft N) Bluetooth Samasung DVD/CD Writer 500GB Western Digital Caviar 7200rpm Hard Drive The screen basically just freezes and I cannot do anthing other than re boot. It would be a dream to get this PC working properly again. Please help. Many thanks.