The Perils of Repair... Doing 21st Century Voodoo
 

However, when their computer stops behaving, it's even worse than with the average consumer electronic device, because 1) it happens more often than with the other stuff and 2) a computer can work badly or not at all with being "broken."

This is truly a mystery to the average person. They can understand a part inside being broken, but they don't truly understand this thing called software. They truly don't comprehend how or why something immaterial can maim their computer just as easily as a short-circuit.

Even worse, on the whole, I would say the majority of computer problems are caused by users, one way or the other. In other words, it's their fault the computer isn't working right, and let's say accountability isn't exactly hard-wired into most people.

http://www.overclockers.com/tips00898/