Once we made sure our recovery drive on the working computer had enough space for the contents of the failed drive, we waited. And waited. A full scan and recovery of our 120 GB drive took four days.

If you think you're dealing with a dead computer, don't panic. Follow these steps to try to save it—or at least recover your files.

Computer science combines the principles of engineering, mathematics and science to study and develop computers, networks, hardware ... Security analysts are often intimately involved in planning for ...