Installed memory 2GB (1GB usable): Why can I only use 1GB of RAM? How can I make all 2GB useable? Having this kind of problem? Here’s a quick fix -Go to Start Menu -Search and Run msconfig -go to Boot, click Advanced options… tick the Maximum Memory box -restart pc -and subscribe to my blog 🙂 Share this:TweetShare on TumblrLike Loading...