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#11
Upload the bugcheck report from your bluescreen crashes to the Crashes & Debugging forum where the real geniuses hang out: https://www.sevenforums.com/crashes-d...tructions.html
They'll be able to tell you quickly what is causing the crashes.
Are you booting either OS via the BIOS boot menu key or BIOS Boot order, or do you have a Windows Dual Boot menu configured? It might be best to remove the WIndows Dual Boot and use the BIOS to boot. We'll need to see a screenshot with both HD's plugged in to advise the steps to do this.