Having patience is very important when troubleshooting computer problems. Becoming frustrated or not taking notes can extend the troubleshooting process significantly. Always take careful note of things that may have changed. Did you install a new piece of hardware or software? Was there a bad thunderstorm or a power outage? All of these things may be part of the underlying problem so take careful notes. Before you click "OK" or restart your computer, be sure to write down any error messages. Take careful note of what programs you were running...