Without a good power supply, a computer cannot able to Perform the operations. Among the many ways that a computer won’t turn on, a complete loss of power is rarely the worst case scenario. There is the chance that your PC isn’t receiving power because of a many serious issues . Overloaded power supplies and inadequate cooling can be the major cause of the power failure on the computer. There are several possible reasons why a desktop, laptop, or tablet computer might not power on or may got power failure, so it’s very important that you should go through these steps through a troubleshooting procedure that are outlined below.
1.Check your Equipment :
When you got power failure on computer, you need to check whether all the charging equipment are properly connected or not. For a good power supply there must have a good connected between all the devices . Disconnected in one system from original to targeted port creates a problem in power supply . A loose or unplugged power cable is one of the top reasons why a computer won’t turn on.
2. Perform a “lamp test” :
This test is performed in order to verify power is being provided from the wall or not. Your computer isn’t going to turn on if it’s not getting power, so you need to make sure that the power source is working properly. This test is mainly focused that the power supply is granted from source port to destination port. In this test you need to properly check and connect the overall devices from source port to Destination port .
3. Replace the computer’s power cable or AC adapter:
On a desktop, this is the power cable that runs between the computer case and the power source. The AC adapter for a tablet or laptop is the cable that you plug into the wall to charge your battery. A bad AC adapter is a common reason why mostly tablets and laptops won’t turn on at all. Even if you don’t regularly use the power cable, if it has failed, you should know that it hasn’t been charging your battery. For the test purpose, you can replace the computer’s cable or Ac adapter to check it has been charging well or not.
4. Replace your motherboard:
If you’re using a desktop then you should be confident that your wall power, power supply, and power button are working, it’s likely that there is a problem with your PC’s motherboard and it should be replaced.It is effective to find where the problem is and help in detecting the problem.