How To Install A PSU

by Rustam Iqbal

The Power Supply Unit (PSU) ( AMAZON ) is an essential part of a computer responsible for delivering voltage to all components. The installation of this module is the last step. If you don’t know how to install a power supply, this article is here to save you some time and effort.

Installing A PSU

Installing A PSU

The implementation of the power elements requires a lot of consideration. So you’ll find all the necessary information on the unit’s installation. Let’s start!

Before Getting Started!

Before Getting Started!

Before starting the installation procedure, the following necessary points need your consideration:

  • First of all, don’t forget to disconnect all the powered cables.

  • Ensure that the power adapter is compatible with your system. Not all voltage units can be placed in any system, so you should ensure that the bought module is compatible.

PC manufacturers assemble the system with their unique voltage components. You must contact the manufacturer or vendor to get a suitable voltage adapter.

  • You should get all the tools before starting the installation. Usually, it requires screwdrivers to open the lid and remove the module.

  • You should avoid current shocks by discharging yourself with the help of a grounding strap, as it can be tragic for you and your components.

Remove The Previous Power Supply!

Remove The Previous Power Supply!

  • If replacing the power supply with the new one, you should remove the old one.

  • Remove the lid of the tower case with the help of screwdrivers.

  • Remove all the cable cords connecting all the internal components. You should remember the sequence of removing cables that can be used as a reference for replugging in the future.

  • Remove the screws that fasten the power supply with the case.

  • Now that the old adapter is disconnected from the case, you can remove it.

Installing A New Power Supply!

Installing A New Power Supply!

  • As the old one is removed, the case is ready to install the new one.

  • Place the power supply in the case and ensure that it is placed correctly.

  • The fan of the power unit must face toward the internal components of the computer.

  • Tighten it with the help of screws.

Connecting Cables!

Connecting Cables!

  • As the adapter is appropriately placed, connect it to the GPU, motherboard, storage, and other modules.
  • Firstly, you should plug the motherboard into a voltage adapter with a 24-pin connector.
  • Next, connect the 8-pin CPU connector.
  • The remaining parts should be plugged in, like HDD, SSD, or other drives.
  • You should plug all the cables according to the PC manual. However, without a manual, you should plug the wires in the same sequence as unplugging the old one.
  • In the end, you should recheck and ensure all the parts are plugged in correctly.

Now all the cables are plugged in, place the removed lid on the case and seal it with the help of screws. Maybe your PSU has a power switch that requires manually powering ON or OFF.

Switch the button to ON mode. At this stage, your system is ready to operate. Turn on the system and start performing your tasks.


After rounding off the whole process of PSU installation, we come to the conclusion that installing a power supply unit is very simple and you don’t need to seek the help of a professional builder.

You just need to pick a power supply with more than the required capacity and connect it with correctly as instructions in the user manual or go for any video help from the PC builders and your work is done.

Rustam Iqbal

Hi, I'm Rustam Iqbal. I love traveling, computer hardware, and software. I’m constantly trying to learn new skills and programming languages. Reviewing new pieces of hardware is one of my favorites hobbies. Drop by any time to leave me a message if you have any questions.

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