I have the following problem in which first thing is that I use the Windows 7 (64) now for quite a while I have not encountered problems. Now I got upgraded hardware. I have retrofitted a new processor and more RAM. It appears like the loading screen of Windows 7, with the "wavering" Windows icon. Then there is the icon suddenly stops and the computer takes a lot to the hard disk. Will appear for a short time then a blue screen where the file "atikmdag.sys" is found. Then the computer reboots and all begins again. The message indicates the video card drivers from ATI. I have Mainboard of Asrock AliveXFire R3.0 and processor of AMD Athlon X2 6000+ and 2x2GB Ram. The problem only occurs when I have 4 GB of RAM in the system. With 1 GB, 2 GB and 3 GB it runs without any problems. Also, Win-XP will boot fine at 4 GB. I have already flashed the BIOS to version 3.30, without success. I also noticed that under Vista 64 already had a similar problem, Microsoft offered for the two patches, which have solved this problem. Is there anything similar for Windows 7?
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