Q. Often when I go to defrag my computer, I have to analyze the drive first to see if it needs to be defragged. Most of the time it says it doesn’t need to be. Is it OK to defrag anyway? Will it hurt ...

I have my main computer running dual-head, and computer #2 (with its own KB and mouse) plugged into the secondary input of my main monitor. #3 is a laptop, and #4 (when it's running; it's currently ...