Saturday, December 22, 2007

Components: Troubleshooting Power Supply

You are troubleshooting a computer that will not boot. The fans turn on, but the computer will not start.
What should you try?
1. Use a multimeter to check the voltage at the outlet.
2. Replace the power cable.
3. >>Verify that the power supply is connected to the motherboard.
4. Verify that correct driver for the power supply is installed.

Explanation : You should verify that the power supply is connected to the motherboard. You know that the power supply is working because the fans are running. However, it might not be supplying power to the motherboard. Therefore, you should verify that it is properly connected to the motherboard.
There is no need to use a multimeter to check the voltage at the outlet. You know the outlet is supplying power because the fans turn on.
There is no need to replace the power cable. You know the power cable is transmitting current because the fans turn on.
Power supplies do not require drivers. They are the first thing to start up and supply power to the other devices in the computer.
Objective: Personal Computer Components