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
![SOLVED] - (I messed up something royal) 16 gb of Ram being read, but only 6.95 usable | Tom's Hardware Forum SOLVED] - (I messed up something royal) 16 gb of Ram being read, but only 6.95 usable | Tom's Hardware Forum](https://i.imgur.com/AHe9Grb.jpg)
SOLVED] - (I messed up something royal) 16 gb of Ram being read, but only 6.95 usable | Tom's Hardware Forum
![how to fix gb usable RAM problem - how to fix Unusable RAM ( 4 GB installed 2.6 GB usable) - YouTube how to fix gb usable RAM problem - how to fix Unusable RAM ( 4 GB installed 2.6 GB usable) - YouTube](https://i.ytimg.com/vi/bhHiE_VBJ-A/maxresdefault.jpg)