Tv Keeps Turning On and Off Repeatedly [Solved]

You are not the only one! It is a most irritating problem that a number of television users suffer from as they watch television or try to tune into a key match. 

There is screen flashing and sound interruptions and in no time the television which once worked as it was supposed to is out of function. 

For those facing such an issue, the quest for the solution begins here and now.

In this helpful article, we will look at reasons why a television keeps going off and on by itself and outline a practical approach to dealing with this problem in a user-friendly way. 

In simpler terms, we will explain what this problem is all about, why it occurs, and what can be done to resolve it. 

And whether you have the LED, OLED, or plasma, the information provided in this article will assist you in identifying and solving the problem.

Why is My TV Turning On and Off by Itself?

Hisense TV red light on but no picture

There are however basic steps that are needed to be taken which are: finding out what exactly It is that is making your TV faulty. 

 

There can be several reasons, or one many times when a TV starts switching itself on and off. 

 

Some problems can be easily identified, other problems might be more complicated and require a deeper examination and an attempt to repair.

Common Causes of TV Turning On and Off

1. Power Supply Problems

TV  Turning itself on and off can also be a result of a faulty power supply, which is one of the most common problems five.

 

If your television appliances receive fluctuating power from the socket or if the internal power supply unit has a defect, Your TV may have developed a fault that makes it switch itself off and on randomly.

2. Remote Control Issues

 

Have you consulted your remote lately? If your remote control is broken, it could trigger an off command for the television. 

 

Unresponsive buttons, erosion of batteries, or even other remotes around could be the reasons.

3. HDMI-CEC Conflicts

 

HD multimedia interface is used commonly to hook up gadgets such as gaming devices or DVD players, streaming gadgets into the TV. 

 

Some HDMI appliances come with inbuilt HDMI-CEC which enables automatic switching on and off of connected appliances. 

 

But when this feature is switched on in the TV and when both the TV’s HDMI and HDMI-CEC settings are conflicting, the TV will keep switching on and off.

4. Faulty Capacitors

Hisense TV Picture Dark 

Inside every television are capacitors whose work is to balance the power and voltage for the different components of the television. 

 

In case one or many of the capacitors fail, there is a good chance that the television will keep switching on and off as electricity will not be steady to the appliance.

5. Overheating

 

TVs come with special features that allow them to self-shut down if they reach certain temperatures to avoid internal damage. 

 

However, if the air vents are congested, cooling mechanisms are ineffective, or if dust has settled within the television’s internals. 

 

Any of these could cause excessive heat and damage the TV leading to constant shutdowns.

6. Firmware/Software Glitches

 

In the same manner that many electronic systems are vulnerable to bug issues, TVs also have software bugs. 

 

If your TV firmware is old or if there are issues with the internal OS of the TV, it can suffer from continuous rebooting.

 

In that case, the TV could go into a cycle of restarting itself numerous times.

7. Power Strips or Surge Protectors

 

In certain cases, the use of power strips and surge protectors can result in power surges only if they are fried or used excessively. 

 

A faulty power strip can also result in the turning off and on of the television set repeatedly.

8. Internal Hardware Failure

 

There are occasions when an internal hardware device like the motherboard, display driver, or any internal board may be defective causing internal problems. 

 

In such instances, the television will not work correctly regardless of any simple steps taken to rectify the problem.

9. Settings Conflicts or Auto Power Options

 

Switching some specific televisions on or off automatically is possible because those televisions have automatic on or off features as energy saving features. 

 

If you accidentally enable a setting like “Auto Power Off” or “Sleep Timer”, the TV may work more than intended or less than intended, leading to frustration.

Troubleshooting the Problem: Step-by-Step Guide

 

Such problems can be rectified by following the steps given below:

1. Check the Power Supply

Cause:

 

Because of failed power, it can turn on and off your television without you controlling it. 

 

This can be attributed to a loose power connection, worn-out wires or the power supply unit within the device..

Fix:

Check the power cable: 

The power cable should be examined for breakage or loose plugs. Check its secure connection to the electric power socket.

Try another power socket: 

Occasionally, these faulty outlets may create problems, Prevent such scenarios by putting your plugin in another electrical socket

Use a different power cable:

In case you have an extra cable, try replacing it and check if it works. 

 

The previous cord may have been defective but if that has solved the issue it means that the cable was.

Consider using a surge protector: 

If the TV power shortages are because of an unstable power supply, plugging in a surge protector may help address those issues.

 

Otherwise, if there is still a case of no change, there is a risk that the internal power system might have issues. 

 

A specialist service might be necessary, may need to repair it or swap it out.

2. Test the Remote Control

Cause:

 

Excluding the common causes of this TV DISTANT malfunction a loose, blocked or sticky button on your remote control may be the cause of power interference in your TV.

Fix:

Remove the batteries: 

Take off the batteries: 

 

To begin with, take out the batteries from the remote control first. In case your TV continues to turn on/off after this procedure, the problem is with the remote control.

Clean the remote:

Wipe the remote: 

Remote controllers’ dirt, dust, and jammed buttons may be the reason for the glitchy behavior. Wipe the remote with a soft cloth and see if any buttons are stuck.

Try a universal remote:

Should the television quiet down and stop its annoying flicker upon attempting to utilize another remote control.

 

Then it is without question that the source of the irregularities is the user’s original control device.

Check for interference:  

Ensure that no other device other than your console, including other remotes and smartphone applications that are connected to your television, broadcasts signals.

 

If all of the above measures are ineffective at resolving the problem, looking for a new remote control or calling the manufacturer of the device for assistance can be suggested.

3. Disable HDMI-CEC

Cause:

 

It is essential that this feature is disabled in any  TV set as it can cause conflict with any device currently plugged into the TV.

 

Which is the reason for the TV turning on by itself, or randomly turning off.

Fix:

Navigate to the settings:  

Push the ‘Home’ or ‘Settings’ button on your TV remote.

Find HDMI-CEC settings: 

There are many manufacturers of television sets and depending upon the brand the HDMI-CEC setting is labeled differently, such as “Anynet+” (samsung), “Bravia Sync” Sony and “Simplink” LG.

Turn off HDMI-CEC: 

After disabling this setting, it is advisable to see if the problem goes away. 

This setting has been designed in such a way that once it is disabled the TV will no longer switch on and off due to connections of HDMI devices.

 

4. Inspect for Overheating

Cause:

 

One cannot work for long while the space containing the television is boiling hot and therefore the TV itself will automatically shut off to self-preserve any internal components that may be overheating.

Fix:

Clean the vents: 

Eliminate vent blockages: Make use of compressed air or a damp cloth to wipe off dust and other particulates that get stuck on the vents. 

 

Vent obstructions may lead to a lack of proper air circulation and heat build up.

Check the TV placement:

Do not, however, put your TV in a small enclosed area with bad ventilation. 

 

If you can, do not place it back down on the surface all the way.

Monitor the temperature: 

You should try and feel the TV if it has very hot surfaces to indicate overheating issues. 

 

An extra cooling fan may be required near the television, while moving the TV is another option.

5. Update or Reset Your TV Firmware

Cause:

Hisense TV black screen red light flashing 

Tv can be noticed to constantly recycle itself when the firmware is outdated or software bugs are seen to exist in the device.

 

Fix:

Check for updates:

On the controls of the TV, navigate towards the control options and find out if there are firmware updates which are available. 

 

These days, manufacturers and innovators update particulars as it has become more common.

Factory reset:  

Force resetting the TV to its original factory settings is usually a common procedure in the case where updating the firmware does help with such issues. 

 

A warning needs to be flashed informing users that a factory reset will obliterate every single configuration and setting of the device.

6. Replace or Repair Internal Components

Cause:

A somewhat similar problem can arise with the manufacturer’s toggle switch faulty to completely repair or replace the broken machine.

Fix:

Consult a technician:

It is advisable to seek help from a professional TV repair service in instances where the internal hardware has to be fixed. 

 

Manufacturers offering a warranty on your TV will assist you in obtaining repairs, or provide you with a new one.

Frequently Asked Questions (FAQs)

Why does my TV turn on and off randomly?

 

When a television set exhibits the problem of intermittently switching itself on and off, it is usually due to any one of these reasons; 

 

Faults in the power supply, a defective remote, a malfunction of the HDMI-CEC, excessive heat, or bugs in the software.

Can a power surge cause my TV to turn off and on?

 

Power surges or unstable power supply would indeed cause either a short circuit or a reboot of the TV. It is advisable to use a surge protector for this reason.

Should I unplug my TV if it keeps turning off and on?

 

If a TV Turns off and on repeatedly it is advisable one takes the TV off the wall sockets for several minutes. 

 

Which would most probably assist in reformatting the TV power supply and eliminating any possible temporary physical problems with the TV device.

How do I know if my TV has a hardware issue?

 

In case the TV is still under warranty and the customer service representatives say that everything is normal. 

 

Regarding the troubleshooting steps performed, ringing up a professional technician is appropriate.

Conclusion

 

There can be many possible causes for your TV to switch itself on and off repeatedly, however, this troubleshooting manual can assist you in resolving the issue without the need for any assistance. 

 

Failure in power supply, interference from the remote control, HDMI conflicts, and overheating issues are some of the normal causes of the problem.

 

But many options can be explored before seeking help from a professional repair. 

 

In most cases, with a little bit of effort and time, one can get back to the routine of watching television without any interruptions.

Hisense TV problems with pictures