Ram usage

[Microsoft342414]

I have two ram cards in my desktop that are 4 gb. I just recently put in 2 gb of ram and my usage is now 6 gb but 3.25 gb are usable. Why is this happening, my desktop is windows 7 home premium 64 bit, hp pavilion.

 

[Layback Bear]

Your, My System Specs

Computer type Laptop
System Manufacturer/Model Number Dell Inspiron 640m
OS Windows 7 Home Premium 32bit

Tick the Windows Flag key and the Pause key and post a picture using this tutorial by Brink.

http://www.sevenforums.com/tutorials/9733-screenshots-files-upload-post-seven-forums.html

 

[AddRAM]

The rest is hardware reserved, just open Resource Monitor and you`ll see