New RAM caused boot failure

I DO have a question now, actually. If I wanted to add my old RAM in, (different brand, same amount) with my new RAM, will I need to crank my voltage up? And by how much? Here's the old RAM: http://www.newegg.com/Product/Product.asp?Item=N82E16820145420 x2

Because when I added those in with my new, my computer would have IRQL_NOT_LESS_OR_EQUEL blue screens or just freeze at a loading screen.
 
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