How to Fix a TV That’s Humming? (Within Seconds)

Television is a crucial part of modern entertainment, but sometimes technical glitches can interrupt your viewing experience. One common issue many people encounter is a persistent humming sound coming from their TV. This irritating noise can be distracting and spoil your enjoyment. In this article, we will explore various solutions to address the problem and help you enjoy a crystal-clear audio and visual experience once again.

How to Fix a TV That’s Humming

Why Won’t My TV Turn On

1. Check the Power Source

A humming sound might be caused by unstable power supply. Ensure your TV is properly plugged into a stable power outlet. Unplug it, wait for a few seconds, and plug it back in. Sometimes, a simple reset can resolve power-related issues.

2. Examine Audio Cables

Loose or damaged audio cables can lead to humming. Inspect the audio cables connected to your TV and other devices. Ensure they are securely plugged in and not worn out. Replacing faulty cables can significantly improve audio quality.

3. Grounding Issues

Improper grounding can cause interference and result in a humming sound. Make sure all components connected to your TV, such as speakers and gaming consoles, are properly grounded. This can eliminate unwanted noise.

4. Separate Audio and Video Components

Placing audio and video components too close together can lead to interference and humming. Keep speakers and other audio devices away from your TV and other video sources to prevent electromagnetic interference.

5. Update Firmware

Outdated firmware can sometimes lead to technical glitches, including humming. Check the manufacturer’s website for firmware updates for your TV model. Keeping your TV’s software up to date can resolve various issues.

6. Adjust Audio Settings

Incorrect audio settings can result in humming. Access your TV’s audio settings and adjust equalizer levels, surround sound settings, and audio presets. Experiment with different configurations to find the optimal settings that eliminate the humming.

7. External Interference

Other electronic devices like cordless phones and microwave ovens can interfere with your TV’s audio. Identify and remove or relocate such devices from your TV’s vicinity to minimize interference and reduce humming.

8. Shielding and Insulation

If the humming persists, consider using shielding materials or insulation to prevent electromagnetic interference. Apply these materials to audio cables and power cords to minimize unwanted noise.

9. Check Speakers

Faulty or damaged speakers can also contribute to humming. Inspect your TV’s built-in speakers or external speaker systems. If you notice any physical damage, consider repairing or replacing them to eliminate the humming.

10. Professional Inspection

If all else fails, it might be time to seek professional help. Contact a TV repair technician to diagnose and fix the issue. They have the expertise to identify complex problems and offer appropriate solutions.

11. Use a Ground Loop Isolator

For persistent humming caused by ground loop issues, a ground loop isolator can be a lifesaver. This device eliminates the humming sound by breaking the ground loop and preventing interference.

Vizio TV Won't Turn On


Q: Why is my TV suddenly humming?

Sudden humming can be attributed to various factors, including power fluctuations, faulty cables, or electromagnetic interference. Refer to our guide for detailed troubleshooting steps.

Q: Can a faulty power outlet cause TV humming?

Yes, an unstable power outlet can lead to humming. Ensure your TV is connected to a stable power source and consider using a surge protector to prevent power-related issues.

Q: How do I know if the humming is due to external interference?

To identify external interference, temporarily turn off nearby electronic devices one by one and observe if the humming changes or stops. This can help pinpoint the source of the interference.

Q: Is TV humming dangerous?

TV humming itself is not dangerous, but it can indicate underlying issues. Ignoring the humming could lead to further complications. It’s best to address the problem promptly to prevent any potential damage.

Q: Can I fix TV speaker humming on my own?

Yes, you can try some troubleshooting steps mentioned in this guide to fix TV speaker humming on your own. However, if the issue persists, seeking professional assistance is recommended.

Q: How much does it cost to repair a humming TV?

The cost of repair can vary based on the underlying issue and your location. Minor issues like loose cables might not cost much, but complex problems could be more expensive to fix.

Fire Stick Remote Blinking Orange Light


Dealing with a humming TV can be frustrating, but it’s a problem that can often be resolved with a bit of patience and troubleshooting. By following the steps outlined in this guide, you can identify the source of the humming and implement the appropriate solutions. Whether it’s a simple cable adjustment or the use of specialized devices, your efforts will be rewarded with a noise-free and enjoyable TV viewing experience.

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