I have 12gb of ram installed in my computer, and just a week ago, i was able to use all of it, but now, I launch my computer and it says 3.95gb usable. My bios recognizes that it is installed, and I dont have a cap in my msconfig. I don't understand what's going on.
https://gyazo.com/ee73c9bff2503d710e3f31335cecfba8
https://gyazo.com/ee73c9bff2503d710e3f31335cecfba8