Troubleshooting your Power Supply is an important step when troubleshooting the computer especially when the computer is totally dead.
A faulty PSU (Power Supply Unit) also causes constant system freezing, crashes, unnecessary reboots and other mysterious errors can occur. A PSU is a common unit that has to check if a computer shows the above signs. PSU is the common thing that fails due to the aging of the computer.
Important: Please be aware of the Problems of Electrostatic Discharge (ESD) to the internal components of your computer and steps to prevent it.
Troubleshooting your Power Supply Unit
You can manually troubleshoot Power Supply Unit by using a multimeter or can do a paper clip test to troubleshoot the PSU.
Make sure that your Power Supply Unit turns ON by doing the test given in the above link. The above link just tells you that your PSU switches ON perfectly but does not guarantee that your PSU supplies required voltage to your peripherals.
To find out that we need to do multimeter testing to ensure that required voltage is given to the corresponding units. Check out the below link to find out how!
The above test is to ensure that your PSU supplies the required voltage to the computer peripherals.
Tip: To avoid all the testing methods given above, you can check your computer using any PSU that are working fine. Any working PSU from your friend will do it. If your computer powers ON perfectly using their PSU you can be sure that your PSU is faulty. You can either get it serviced or replace it with a new PSU.
Did your Power Supply pass all the test but your computer still refusing to turn ON?
Well, there are several reasons why your computer won’t start other than the faulty power supply. Please visit Troubleshooting DEAD computer for more help in your troubleshooting process.