Question: Why Does My TV Make A Noise When I Turn It Off?

Why does my TV make noise?

A crackling or popping sound from your TV is normal and is not a malfunction.

These sounds occur when parts expand or contract slightly due to temperature changes in the room or your TV.

The sound location may change or become less noticeable due to environmental changes, such as temperature or humidity..

How do I turn off the startup sound?

5 Answers. In System -> Sound and Display -> System volume you can set it, unfortunately the power on/off sound is also tied to the touch feedback sound (ie you press a button, hear a sound). If that’s not a problem, turn it all the way down and problem solved.. Try Silent Boot from the android market.

Why are my speakers making a high pitched noise?

The sound is most likely acoustic feedback caused by wrong speaker settings. Check that the microphone for the speaker is disabled: Make sure that the “Microphone, Realtek High Definition Audio” is set as Default Device. …

How do I turn off the Apple startup sound?

To disable the startup sound that plays when you turn on your mac, simply hold down the mute button while pressing the power button.

Why is my LG TV making a buzzing noise?

Humming noises are usually emitted from the power supply area and normally cannot be heard at normal listening volume. Some TV models have cooling fans, and these may be heard at very low volumes. If the fan noise is obtrusive, then the TV may require service.

How do I turn off the sound when I unlock my android?

Open Screen Lock app and open Settings, scroll down to the bottom and you will be able to find the option to uncheck and turn off the sound when locking and unlocking the screen using the widget or notification bar.

What does a blown TV speaker sound like?

The most common aural indication of a blown speaker is an unpleasant buzzing or scratching sound, by itself or roughly at the pitch of the note the speaker is attempting to reproduce. Or there could be no sound at all.

How do you know if your TV is going bad?

Your TV screen is going out or fading. The TV is on, but the picture doesn’t look right. One side of the screen is faded. … If your TV’s backlight display is faulty and you don’t have a repair and replace benefit or manufacturer’s warranty, you may have to shell out some cash on professional repairs.

How do I stop my Samsung TV from making a noise when I turn it on?

How to Remove the Startup Sound From a Samsung TVTurn on your Samsung TV and press “Menu” on your remote.Use the arrow keys on your remote to scroll to “Sound” and press “Enter/OK” on the remote.Scroll using the arrow keys to the “Melody” option.Press “Enter/OK” to switch it to “Off” mode.More items…

How do I stop my TV from making a high pitched noise?

The TV produces a high-pitched noise.Change the channel or video input of the TV. … Turn off the TV.Ensure that any audio or video components are connected to the TV properly.Remove all third party audio or video components connected to the TV. … Unplug the TV power cord from the AC outlet.Let the TV set without power for 30 seconds.More items…•

Why is my Samsung TV making a buzzing sound?

1 Check the audio cable and ports The cables connected to your Samsung TV might be the problem. A loose cable may diminish picture and sound quality and create the humming. Connecting a cable to the wrong port on the back of your TV also may result in audio and video problems.

Why do old TVs make a high pitched noise?

Why do old box TVs make a high pitched sound when they turn on and while they are running? … That high pitched sound was produced by the flyback transformer which produced the high voltage for the CRT anode, around 25kV. The frequency was 15.75 kHz (B &W) or 15.734 kHz (color).

How do I stop my speakers from buzzing?

How to stop speakers from buzzingCheck the Connections. Make sure cables are flush. … Fixing a Ground Loop. … Test for Frequency Interference. … Tweak the volume. … Try a different Audio Input. … Changing Speaker Cable. … Update your Audio Drivers. … Check if your Speaker is Blown.