12GB RAM installed and only 8GB usable in Windows 7 Ultimate x64

AngelL10

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Dec 28, 2012
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Hi guys. I bought recently a stick of 4 GM RAM from Patriot and my windows is not using them all. It does see 12 GB in total but only 8 usable and I've tried checking and unchecking that box in msconfig but it didn't work. What can i do? :(
Here's a picture of my bios. http://postimg.org/image/cpqzqsr3t/
I just reset my bios to its default settings and now i get BSOD. Im helpless, i can t get into windows anymore. Here s what it sayshttp://postimg.org/image/a1ll8qhmf/ the picture looks like that because it would dissapear so fast so i used slow motion to get it. What can i do? I removed the ram but it s the same.
 

AngelL10

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Dec 28, 2012
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I was using 8 gb ( 2 x 4 gb ram sticks ) and i got another 4 gb stick. I swaped them all and it s tge same. BSOD
 

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