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
What does “Installed RAM 8.00 GB (5.88 GB usable)” mean on a new ThinkPad E495 Ryzen 3 laptop that I received today 11/11/19? I purchased it directly from Lenovo.com with an AMD
![I have 16gb of RAM installed, but it says that only 13.9gb are usable. Can someone explain me why and how to fix it? : r/pcmasterrace I have 16gb of RAM installed, but it says that only 13.9gb are usable. Can someone explain me why and how to fix it? : r/pcmasterrace](https://preview.redd.it/32tbn0gmh9k61.jpg?auto=webp&s=7ee4f3f2081e63b4f76ba89ac0451acf085b884e)