-4
votes
1answer
556 views

Upgrading Dell Optiplex 380 with 8GB DDR3 RAM [closed]

I've Dell optiplex 380 machine and I've 32bit Windows 7 ultimate OS on it with DDR3 2*2GB RAM on it. I want to upgrade my machine to use 8GB RAM with 64bit windows 7 ultimate OS and want to install ...
0
votes
5answers
1k views

ubuntu does not use 100% ram

I am running ubuntu 8 on a 2GB laptop. Whenever I look in my system monitor, I see my memory usage is slightly below 1G. Why isn't ubuntu using the full 2GB? Let me say that the full 2GB are ...