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BIOS only recognizes 4GB RAM but Windows 8 x64 sees 8GB

Last response: in Memory
January 16, 2014 3:55:07 PM

I had a 4GB RAM stick, but I decided to upgrade. So, I just bought another 4GB stick.

I have an Asus M5A97 R2.0 Motherboard. The first stick of RAM is Spectek Select 4GB DDR3 1600 while the second stick is Kingston 4GB DDR3 1600.

No matter what slots I place the sticks, BIOS only recognizes 4GB of memory. I've done each individually in different slots to ensure that both sticks work and all my slots work.

When I go ahead and continue with Windows 8, it detects 8GB but says that only 4GB are usable.

Are these two particular brands incompatible or is there something I am missing?
a b * Windows 8
a c 241 } Memory
January 16, 2014 4:46:06 PM

It may be incompatibility but with both in have you tried resetting CMOS?