Burning Smell From PC? 10 Reasons Why It Could Happen

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If you’re experiencing a burning smell from your PC, there’s a good chance that it’s due to a hardware issue. Some common causes of this issue include overheating, a faulty power supply, or a malfunctioning motherboard.

In most cases, the best course of action is to take your PC to a technician for diagnosis and repair. However, if you’re comfortable working with hardware and are familiar with the inner workings of your PC, you may be able to fix the problem yourself.

1. Case fans

The first thing you’ll want to do is check the fans on your PC to make sure they’re spinning freely. If any of the fans are clogged or blocked, clean them off and see if that fixes the problem. You can also try increasing the airflow to your PC by placing it in a well-ventilated area.

2. Power supply

If the fans are spinning properly and the problem persists, you may want to consider replacing the power supply. And if that doesn’t fix the issue, you may have a defective motherboard on your hands. In either case, it’s best to take your PC to a technician for further diagnosis and repair.

3. CPU fan

The next thing you will need to check is the CPU fan . If this fan isn’t spinning, the CPU will overheat and can be damaged. You can try cleaning the fan with a brush or compressed air to see if that fixes the problem.

4. LCD Monitor

If it is an All-in-one PC, then the burning smell could be coming from the LCD filament. If this is the case, then you will need to replace the entire monitor.

5. Hard-disk

If your hard-disk is on its way out , it could be emitting a burning smell. This is because when a hard disk fails, it can overheat and start to smoke. If you’re experiencing a burning smell and you have reason to believe that it’s coming from your PC, it would be best to turn it off and take it in for repair.

6. Graphics card

Graphic cards can be very expensive and can be easily damaged if overclocked. If you’re experiencing a burning smell and you think it might be coming from your graphic card, it’s best to turn off your PC and take it in for repair.

7. Processor

The processor is the heart of your PC. If it fails, your PC will die. If you’re experiencing a burning smell and you think it might be coming from your processor, stop using your PC immediately and take it in for repair.

8. Computer case

A computer case can overheat if it’s not getting enough air. This can cause the computer to start smoking and emit a burning smell. If you’re experiencing a burning smell and you think it might be coming from your computer case, stop using your PC immediately and take it in for repair.

9. Battery

If its a laptop then the burning smell could be from a damaged battery . Stop using your laptop and take it in for repair.

10. Malfunctioning motherboard

If the burning smell is coming from your desktop PC, it could be caused by a malfunctioning motherboard. Stop using your PC and take it in for repair.

If you’ve tried all of the above and your PC is still giving off a burning smell, it’s time to take it in for repair. There may be something wrong with the internal components of your PC.

Keep in mind that not all burning smells mean something is wrong with your PC. Sometimes electronic equipment just smells like that. However, if you’re not sure and the smell is giving you a headache or making you nauseous, it’s best to err on the side of caution and have your PC checked out by a PC repair professional.

Author:
I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...