32GB of RAM installed, only 14GB useable?

Sneaky Devil

Reputable
Dec 19, 2014
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4,510
As it says on the tin, just installed 32 GB of RAM but I can apparently only use 14GB of it, its(obviously) 4 8GB sticks, all same brand Crucial Ballistix Sport.

I'm using Win 7 Ultimate SP1 and the computer is properly detecting all 32 GB.
 


Oxtervolt's comment has vanished, but I'm suffering from a similar issue.
Win 7 Professional SP1 and detecting 16GB, I have 16GB installed, but 12GB available. Plus I just had a memory dump crash.
Helps?