How to tell if your PSU is dying?

how to tell if your psu is dying?

One of the reasons the computer won’t switch on is a faulty power supply. Here, I will describe in detail How to tell if your PSU is dying? the most prevalent indicators of a power supply failure that will occur if the power supply unit is dying, the causes behind it and how you can extend the power supply unit’s life. 

A desktop PC’s power supply unit has a capacity of 300W or less, 300 to 600W, or 600W or more. The greater the quantity, the higher the price, but the greater the power. 

See also : How To View Broken Phone Screen On Computer


If this power supply unit fails, it will be unable to give adequate power to each component, resulting in various difficulties. Furthermore, because of the power issues, it is possible that other components will be damaged or that the device will not switch on.

I have prepared 11 unusual indicators that may indicate a Power Supply breakdown in your PC to assist you. With this article, you will learn how to identify problems with the PSU,  How to tell if your PSU is dying? whether it is a modular or nonmodular power supply unit, and when it is time to replace your old PSU with a new one. 

Signs that indicate  to tell if your PSU is dying

Some signs that indicate that your PSU is dying are below: –

1) Random black and blue screen crashes-

The Blue Screen of Death is a common power supply failure indicator.

random black and blue screen crashes

if your PSU is dying.However, a shortage of electricity frequently causes the system’s many physical components to malfunction. 

2) How to tell if your PSU is dying ? It shows Display issues-

It’s a 50/50 likelihood that the problem is with the monitor or the power supply.

How to tell if your PSU is dying display issues

if your PSU is dying. Examine the display for erratic flashing or the emergence of lines and dots. Try it once with a computer’s power supply and a conventional power supply.

Check also : RAM Cleaner For PC To Improve System Speed

3) Freezing-

Various factors can cause the freezing of a personal computer; therefore, it cannot be said categorically.


But it may also be caused by a power supply unit failure. So it tells your PSU dying.

4) How to tell if your PSU is dying ? it makes Strange noise from PC case-

If you hear different noises coming from the CPU,,carefully investigate the sound.

pc sound

And if it is anywhere near the power cable, chances are you’ll need to start saving for a new PSU. 

Also see: How To Get Advance Download Manager (ADM) For PC?

5) Smoke/Burning smell-

You may even hear a sound like a mini-explosion, and the equipment may suddenly shut down and emit a burning odour.

burning smell from pc

An exploding capacitor from the source normally causes this; thus, you will need to replace the capacitor (which can be difficult if you do not have the necessary tools) or change the power supply.

6) Random computer crashes and restarts-

How to tell if your PSU is dying?, While working on the computer and suddenly, it’s pitch black.

How to tell if your PSU is dying restarting automatically

The CPU turns off without warning, then restarts, erasing your unsaved progress. That’s because your motherboard didn’t receive enough electricity to function. Your Power Supply Unit maybe malfunctioning.

7) Computer turns on for some time and then suddenly turns off –

This is one of the error seen during start-up. Although this is typical, it does not always indicate that your power supply has failed.

How to tell if your PSU is dying shutdown of pc

Sometimes it’s all due to dust build-up inside your cabinet, which might cause overheating or make it difficult for the driver slots to load. As a result, the boot is abruptly removed. 

8) How to tell if your PSU is dying? your PC won’t start but the case fan spins-

The case fans are spinning, but the computer isn’t booting up.

pc fan spin

If you have tried and it’s still the same, Then it’s a lost cause. Re-plug the entire motherboard after opening the complete cabinet.

9) Presence of frequent electric shocks when you touch the metallic part of the computer-

How to tell if your PSU is dying?, When you contact the power supply, you are shocked, then this shows a lack of insulation between the high-voltage circuits of the power supply and the case.

How to tell if your PSU is dying shock from pc

Because energy is necessary to power the system, repeated high voltage surges may cause the power supply to fail over time.

Check also : Best Folder Lock For PC | Top 8 Picks Of 2021

10) The power supply fan spins, but there is no power to other devices-

Large voltage surges can damage your power supply if your PSU is dying .

power supply fan spins

You  should also point out the implications of low voltage input. Simply, your power supply fan may be spinning but your CPU will not switch on. 

11) Overheating of PSU-

Your computer’s power supply unit (PSU) may overheat if the load created by the computer is too great .

over heating

 if the unit’s internal cooling fan fails to function.It may result in  your PSU  dying


Also see : How To Get Kinemaster For PC Without Bluestacks?

For individuals who use a computer on a regular basis, the power supply unit is a delicate. Component that must be repaired promptly if it fails, regardless of the initial symptoms. Many folks, I’m sure, don’t know how to identify whether their power supply unit is faulty. In this article, I hope to clear up any misconceptions so that you may self-diagnose your power supply and evaluate if it is in good working order or is on the point of failing. Keep a close eye on the check, and keep the dust off the rack, and your Power Supply Unit will last a long time.

Recommended For You