Build a Computer Power Supply Tester

Build a Computer Power Supply Tester(2)

Use

1.Turn the power supply off.

2.Connect the green wire to the pin with a green wire leading from it, on the main connector of the power supply.

3.Connect the black wire to a pin with a black wire leading from it.

4.Connect the red wire to a pin with a red, orange or yellow wire leading from it.

5.Remove your hands from any bare metal

6.Turn on the power supply.

7.Check if the LED lights. If not, check your circuitry and try again. If that doesn't work, the power supply may be bad. If the LED lights, quickly turn the power supply off.

8.If the LED lit, move the red wire to a different pin that is red, orange or yellow.

9.Repeat the last three steps as needed.

the article source:http://www.wikihow.com/Build-a-Computer-Power-Supply-Tester