Computer Keeps Blowing A Fuse Discover The Causes And Solutions

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Are you tired of dealing with the frustration of your Computer Keeps Blowing a Fuse? This can be a common problem, but it doesn’t have to be a mystery. In this guide, we will explore the various causes of this issue and provide solutions to help you fix it. Whether you’re dealing with a power supply issue, a hardware malfunction, or a software problem, we’ve got you covered.

With our help, you’ll be able to troubleshoot and fix your computer’s fuse blowing problem quickly and easily. So, if you’re ready to get to the bottom of this issue and get your computer back to running smoothly, read on!

Causes Of computer keeps blowing a fuse

The reason of computer keeps blowing a fuse, such as a damaged or incorrect power cord, a faulty PSU, and fluctuations in the power supply. So here are some main reasons of a computer blows a fuse:

1. Faulty or incorrect power cord

This is one of the common reasons. Sometimes we are unaware of a faulty power cord and we continue to use it to establish a connection. In this way, the computer keeps blowing a fuse because your connection is not established correctly. That means you are using a power cord that is not compatible with a particular system model. So we can say that the faulty or incorrect power code is the major reason why a fuse blows off.

2. Fault in the Power Supply Unit

 As a computer user knows very well, a power supply unit is located behind the computer system. This unit is so important for the smooth functioning of a system. So, if there is a problem with a blown fuse, then the faults might be in the Power Supply Unit. Must check out if there is any disruption in the power supply unit, because if there is any fault then your computer system blows a fuse and shuts down automatically.

3. Fluctuating power supply

Fluctuating power supply is another reason this computer keeps blowing fuse issues.  Sometimes, your PC system does not receive enough power supply as it needs for functioning or operating. Therefore, due to the power supply, the computer can blow a fuse. When a computer starts to blow a fuse then it will make the major causes of the computer shut down.

4. Faulty components

 Faulty hardware components are also the big reason for a computer continually blowing fuses. So you must check out if any component is faulty. Due to faulty hardware components, the computer starts to blow a fuse.  It is a common issue that might happen anytime during the lifetime of your computer.

Despite these causes that are mentioned above, there could be any technical causes or faults, so we recommend contacting a system engineer to solve the problem if can’t be able to identify this technical fault.

Reasons of computer keep blowing the power supply

There are many reasons behind the issue that keeps blowing the power supply but two things are mostly happening. One is that the system starts to overheat and the computer shuts down to protect the system. The second thing is that, to plug the PSU directly into the wall outlet without using any protection such as UPS or surge protector. You just need to Change one of these two situations then the computer will not blow through any more power supplies, at all. Let’s talk about these major reasons:

1. Excessive heating

Sometimes PC faces excessive heating issues because to receive the amount of power supply. In this way, the computer shut down automatically to avoid any harness. Because of the screen when the power supply is blown.

2. Absence of a surge protector

  When you plug the power supply unit directly into the outlet, this issue occurs. As it is a fact that, the power outlet has a large amount of power supply, that is harmful to your computer. Therefore, you should always avoid connecting the PSU directly to the power outlet.  So we must suggest using a surge protector or any other protective component when you connect the PSU to the power outlet. In this way, this issue could be avoided.

How to test a PC power supply?

However, after facing this issue, you need to test a PC power supply but if you notice frequent shutdowns, then there are many other problems faced by the computer if the power supply is improper. Such as,

  • It starts making Unnecessary noise,
  • Internal hardware components stop functioning smoothly.
  • The fan keeps spinning.
  • The monitor screen starts to crash

All these problems are signs of a poor power supply.  These problems will damage the system.

You can test if your PC is suffering from a poor power supply:                                                                           

  • Connect the power supply
  • Now check if the 24-pin connector that is compatible with the motherboard.
  • Now you have to Find the green cable and connect it to the red cable
  • After that, the power supply’s fan will start spinning. And the motherboard start to be monitored

If this ill not works, then there is a problem with the power supply.

You can also use a multimeter to measure the power supply. Or you can also get the help of an experienced person.

How to fix a blown fuse on the computer?

After identifying the cause and then take the necessary action. You can fix the blown fuse issue in this way:

  • First of all, remove the power cord.
  • Now check the inside of the computer case.
  • Remove all the cables carefully from the components and motherboard.
  • Now remove the power cards
  • Next, remove the screws.
  • Check the unit properly

If the problem is still, it is better to get help from any technician.

Why PC keeps blowing the power supply?

Basically, the power supply in a computer system has a lot of responsibility. Its task is to take electricity from the wall and refine it to remove spikes, then distribute this electricity into much smaller voltages and then deliver all these smaller voltages to the many components that are located in a computer. If the computer keeps blowing power supplies, that means it is not a good situation.


Hopefully, now you are fully considered why the computer keeps blowing the fuse and how can you resolve the issue. Sometimes the problem is not so big e just make them bigger. That’s way if you notice this kind of issue, pin out the exact reason and try to handle it before it is too late. If you are not confident to do so then must take guidance from any expert in this field. We hope so this article on “why computer keeps blowing fuse” will help you a lot in this case!

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