Gaming PC PSU Replacement – The Old One Caught Fire!

Gaming PC PSU Replacement – The Old One Caught Fire!

OVERVIEW:

In this guide, we’ll walk you through the process of replacing a faulty power supply in a gaming PC. Power supply failures can lead to system instability or prevent your PC from turning on entirely. By following these steps, you’ll learn how to safely remove the old power supply and install a new Corsair CXM 750W unit. Let’s get started!

REPAIR TIME & SKILL LEVEL:

This repair is estimated to take about 1 to 2 hours to complete and is of INTERMEDIATE difficulty, requiring careful handling of power connectors and basic PC building knowledge.

STEPS:

Tools You Need

For this repair, you will need a Phillips screwdriver, a replacement power supply unit, and basic cable management tools such as zip ties or Velcro straps to organize cables.

Unplug All Connectors

Disconnect the GPU 8-pin, motherboard 24-pin, and CPU EPS 8-pin cables.
Unplug the SATA power cable from the SSD.
Ensure all power cables are fully disconnected before proceeding.

Remove Cable Management

Flip the case over to access the back panel.
Pull out the CPU 8-pin, 24-pin, and GPU 8-pin power cables from cable routing channels.
Organize cables to prevent tangling before removing the power supply.

Remove the Old Power Supply

Unscrew the four screws at the back of the power supply unit.
Carefully slide the old power supply out of the case.
Clean out any dust or debris inside the case before installing the new unit.

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Unbox the New Power Supply

Take out the Corsair CXM 750W power supply from its packaging.
Identify the attached cables: 24-pin motherboard and 8-pin CPU power.
Gather additional cables: SATA for SSD and two PCIe cables for the GPU.

Connect Power Supply Cables

Plug the necessary power cables into the modular power supply ports.
Ensure the PCIe connectors are correctly labeled before plugging into the GPU.
Connect the SATA power cable for SSD and fan power.

Install the New Power Supply

Slide the new power supply into the case.
Secure it using the same four screws removed earlier.
Double-check the orientation for optimal airflow and cooling.

Route Power Cables

Start with the GPU power cables and route them through the appropriate case cutouts.
Route the CPU 8-pin cable and motherboard 24-pin cable through their designated slots.
Ensure cables are neatly organized to avoid obstructing airflow.

Plug in All Power Connections

Connect the CPU 8-pin power cable to the motherboard.
Secure the 24-pin motherboard power connector.
Plug the GPU 8-pin connectors into the graphics card.

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Final Cable Management

Flip the case over and pull any excess cable slack to tidy up the build.
Connect the SATA power cable to the SSD.
Make sure all connections are secure and cables are properly routed.

Power On and Test

Plug the PC into a power source.
Press the power button to verify that the system powers on correctly.
Ensure all fans, storage devices, and components receive proper power.

CONCLUSION:

Replacing a faulty power supply is an essential repair to restore your PC’s functionality. By carefully disconnecting, removing, and reinstalling a new unit, you ensure proper power delivery to all components. Always check cable management and verify all connections before turning on your system. With this guide, your gaming PC should be back in action in no time!

VIDEO TUTORIAL:

Looking for a more in-depth tutorial? Check out our complete teardown video for a detailed step-by-step walkthrough.

MAIL-IN REPAIR SERVICE:

We offer professional power supply replacement services. If you’re unsure about doing this repair yourself, send your device to our expert technicians for fast and reliable repair.

https://tekdep.com/device-repair/