How to do a GPU Simple test to find out short circuit problems for beginners

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Frog - Tech - Tips

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Published on April 16, 2023 9:32:49 AM ● Video Link: https://www.youtube.com/watch?v=8NKm-fkAKhc

Game:

Short Circuit (1987)

Category:

Guide

Duration: 8:03

253 views

10

In this video, I will show you how to do a simple short circuit test to diagnose where the problem is and why your PC doesn't start. This test can help you determine if your GPU (graphics processing unit) is faulty or not. A GPU is a component that handles the graphics output of your PC, and it can sometimes cause issues with the power supply or the motherboard. To perform this test, you will need a screwdriver, a paper clip, and a multimeter. Follow these steps:

1. Turn off your PC and unplug it from the power source.
2. Open the case and locate the GPU. It is usually attached to the motherboard with a PCIe slot and has a fan or a heatsink on top of it.
3. Remove the GPU from the motherboard by unscrewing the screws that secure it and gently pulling it out of the slot.
4. Set the multimeter to measure resistance (ohms) and touch the probes to the pins on the GPU that connect to the PCIe slot. You should see a reading of infinity or very high resistance, which means there is no short circuit.
5. If you see a reading of zero or very low resistance, that means there is a short circuit somewhere on the GPU. This could be caused by dust, dirt, corrosion, or physical damage. You will need to replace the GPU or have it repaired by a professional.
6. To test if the GPU is causing problems with the power supply or the motherboard, you can use a paper clip to short the green wire and any black wire on the 24-pin ATX connector that connects to the motherboard. This will turn on the power supply without turning on the PC.
7. Plug in the power cord and turn on the switch on the back of the power supply. You should hear the fan spinning and see some LEDs light up on the motherboard. If nothing happens, that means either the power supply or the motherboard is faulty. You will need to replace them or have them repaired by a professional.
8. If everything works fine, that means your GPU is not causing any issues with the power supply or the motherboard. You can reinsert it into the PCIe slot and secure it with screws. Make sure to connect any power cables that are required by your GPU model.
9. Close the case and plug in everything back. Turn on your PC and see if it works normally.

I hope this video was helpful and informative. If you have any questions or comments, please leave them below. Thank you for watching and don't forget to subscribe for more PC troubleshooting tips and tricks.

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