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#11
Which exact step does it Blue Screen at? Clean Install Windows 7
Remember you must boot the DVD in order to install 64 bit as you cannot run the installer from a 32 bit OS!
Good idea to test your RAM and remove all but one stick to try install, then swap sticks.
If it won't install in AHCI mode, then try IDE mode, after resetting BIOS to defaults: Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS
Next try wiping the HD with Diskpart Clean Command booting the DVD to access DISKPART At PC Startup