Breathe in, breathe out

Which of these tools would be the best choice for viewing motherboard diagnostic messages when your computer starts?

A) Multimeter

B) POST test card

C) Power supply tester

D) Loopback plug

E) A big hammer and a lack of patience

The answer: B) POST test card

A POST (Power On Self-Test) card plugs into an available expansion slot and displays diagnostic codes as a computer starts. Based on the code, you can troubleshoot startup issues and motherboard problems.

Want to know more? Watch “Hardware Troubleshooting Tools.”

If you need to troubleshoot your computer, then you’ll need the right tools for the job. In this video, you’ll learn about multimeters, power supply testers, loopback plugs, and POST test cards.