What are the signs of overheating psu

As with all computer components, the power supply unit (PSU) is susceptible to overheating. Overheating can lead to a host of problems, including system instability, reduced performance, and even component failure. So, how can you tell if your PSU is overheating In this article, we’ll discuss the signs of an overheating PSU and what you can do about it.

PSU overheating Sings

One of the most common signs of an overheating PSU is a fans that spin louder than normal. If you notice that your PSU’s fan is running at a higher speed than usual, it could be a sign that the unit is overheating. Another indication that your PSU is overheating is if it emits a strange smell. If you smell something burning coming from your computer, there’s a good chance that your PSU is overheating.

Fan running slow

In addition to the above symptoms, you may also experience system instability or reduced performance. If your computer crashes or locks up more frequently than usual, or if it takes longer for applications to load, it could be because your PSU is overheating. So, if you’re experiencing any of these symptoms , even though your fans aren’t running faster than usual, it’s possible that your PSU is overheating.

Air ventilation

One way to check if an operating PSU is overheating is by putting your hand on the back of the case where the power supply unit draws in air (cooling) for proper ventilation. If the PSU is operating correctly and getting enough cool air, you should feel a steady breeze out of the rear vents/holes on most cases. If no airflow can be felt, then there may be something restricting or blocking that airflow. If you are feeling either no air coming from the PSU or hot air coming from the PSU onto your hand, then there are two possibilities:

1) The on your power supply unit has failed and should be replaced, or

2) Your PSU is getting too much airflow and you may need to install a dust filter.

If you’re unable to replace your PSU right away, there are a few things you can do to help cool it down. One thing you can do is make sure your computer is in an open area where there is plenty of airflow. You may also want to try installing a dust filter on your case if one isn’t already installed. And lastly, you can try reducing the load on your system by closing down any unneeded applications.

There are several signs that can indicate an overheating PSU. These include, but are not limited to:

1. The system shutting down unexpectedly.

2. The system restarting unexpectedly.

3. The system running slowly or not at all.

4. The fan on the PSU spinning faster than normal.

5. Smoke or a burning smell coming from the PSU.

If you notice any of these signs, it is important to shut down your computer and unplug the PSU immediately. Do not try to continue using the computer as this could result in further damage to your equipment. Bring the PSU to a qualified technician for inspection and repair as soon as possible. If you do not feel comfortable doing this yourself, a technician from a computer store can help you. Please note that if your PSU is still under warranty, you may need to return the original unit for servicing or replacement.


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Wasim Cheema
By Wasim Cheema

Wasim Cheema is a tech enthusiast who is passionate about all things that have to do with laptops and gadgets. He provides unbiased laptop reviews on different tech sites, where he has been sharing his thoughts on the latest technology for over 8 years now. His technical knowledge has helped him in providing sound advice on various topics including laptops, tablets, smartphones, and other consumer electronics which are often difficult to find a reliable source of information on the web.


The Laptop Arts is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

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