990FXA-GD80 16gb RAM installed 7.9gb Usable, rest is hardware reserved | MSI Global English Forum - Index
I have 4GB RAM installed in my computer but it says that only 2.45 GB is usable. I want to use whole of 4GB of RAM. How can I do it? - Quora
8GB RAM installed, but showing only 3.98GB usable [Solved] - Hardware
3 Ways to Install RAM - wikiHow
Why do I have only 5.88gb memory usable even though I have an 8gb RAM card?
Installed Memory vs RAM Usable by Windows | Installed Memory,RAM Usable,Windows,Diagnose Problems with Installed Memory vs RAM Usable and Reported by Windows
My laptop says Installed memory RAM 6.00Gb (5.89GB usable) - Windows 10 Forums
6gb Ram installed, 2.22gb usable (Windows 8.1 32bit) - Microsoft Community