First, “start with the wall;” that is, start with the wall to make sure all the connections are intact. If everything is connected, reboot the computer. Making sure the computer is connected and then rebooting solves most problems.
Secondly, “guess and check.” Go with your gut feeling. If the printer isn’t printing, it could be out of paper. If the LCD projector is not projecting, maybe a cable is loose. He writes, “Simply take a second to breathe and look at the big picture.”
Simple answers for stranded technology customers.