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Samsung TV won’t turn on: How to fix Samsung TV?

Samsung TV won’t turn on: How to fix Samsung TV?

If your Samsung TV won’t turn on, it could be an issue with the outlet, cable, remote, or TV itself. In some situations, it may be on but just shows you a black screen. The key is the standby light, a little light at the edge of the TV that you aim the remote at. In normal use, the standby light is on when the TV is off (indicating the TV is on standby), and the standby light is off when the TV is in use (or doesn’t have power).

Quick guide where you will learn How to fix Samsung TV that won’t turn on. If your TV display screen stays off while trying to turn it ON, this may also repair it. We will walk through the reasons, solutions and discuss some troubleshooting tips with you. It isn’t as tricky as you might think! I hope this will help you.

Samsung TV won’t turn on

If your TV does not turn on check whether the standby light is on. By holding your smartphone under the TV. You can easily find the stand-by light. If the standby LED is not turned on. Unplug the power cable and plug it back in. Disconnect and reconnect the invisible connection cable between the TV and the OC ( One Connect) Box. Make sure that the invisible connection cable is not pinched or bent sharply.

Check the standby light again. If the light is turned on, press the power button on your remote to turn on your TV. If the standby light turns off when you press the power button. Your TV is correctly connected to the power supply.

Blank Screen

If the TV screen is still blank. Softly tap it with your finger. If the part of the screen you tapped on blinks. Your TV is correctly connected to the power supply. On the remote control, Press the HOME or MENU button. If the menu screen is displayed, either the external input device is not working properly, or the connection to the TV is faulty. Check the connection of the video input cable to your TV or OC box. While doing this make sure that the external device is turned on.

Check the cable

If it does not turn on, make sure the power cable is properly connected to the device and the wall outlet. Check the connection of the video input cable to your TV and OC box. Make sure that the cable between your TV or OC box or external devices are properly connected.

Also, make sure that the correct source is selected on the menu screen. If the same problem continues, try connecting another external device to the TV. Using an HDMI cable. If the display is correct your external device may be faulty.

How to check the standby light?

Standby Light

The first thing to check is the standby light that is on the lower edge of your TV. You usually see it on when the TV is off and you don’t see it when the TV is on or is unplugged. If you see it blinking it indicates a problem, generally with power supply issues.

We will check three different things first that depending on the standby light.

  • A solid standby light
  • No standby light
  • The blinking standby light

A solid standby light

A solid standby light means the unit is getting power. So we don’t have to check the cord or the plugs right away. We can start by resetting the TV. Moreover, If the TV turns on without the remote control, the remote control is the problem. You can replace the batteries. If that doesn’t work, skip over the Electrical Supply section, your TV is receiving power.

No standby light

This could mean one of two things. The first is that your TV does not have the correct amount of power, and the second is that the TV is on, but your screen is not producing a picture. We will start this with an electrical supply.

The blinking standby light

This means a power problem. This can be due to a blown wall outlet, a faulty surge protector, or blown capacitors on the Samsung TV itself. We will start with electrical supply as well but with a different initial focus.

Reasons

Some reasons about Samsung TV won’t turn on.

  • Software Glitch
  • Faulty Electrical Supply
  • Remote Software Glitch
  • Input Source Mismatch
  • Faulty HDMI Cable/Connection
  • Backlight Malfunction
  • Faulty Power Supply
  • Motherboard Failure

Software Glitch

Sometimes the software on your TV gets hung up on a process and has trouble returning to normal function. To fix this you will need to perform several troubleshooting steps.

  • Unplug your TV and leave it for 60 seconds.
  • Then press and hold the power button on the TV for 30 seconds.
  • Now plug the TV back in.

Does it work? If this doesn’t solve the issue by itself, you can also add another step to the same process. While the TV is unplugged, you have to press and hold the power button of your Samsung TV for 30 seconds.

By doing this, you essentially soft reset the TV, and it should turn back on just fine unless there’s a more serious problem.

Faulty Electrical Supply

Faulty Electrical Supply

If you cannot power on your TV, the first thing you will want to check is that you have the TV plugged into an outlet that is working. After making sure that the outlet is working, you will want to check and see that your TV has a standby light. The standby light will be blinking or illuminated on the front of the TV. You do not have standby if you do not see a light in the front.

You’ll also want first to make sure that the outlet it’s plugged into is providing power. Plug it directly into an outlet that you know works properly. If that doesn’t work, try another outlet.

  • If a solid red light appears, try turning on the TV. If that doesn’t work, jump to the next section.
  • If the red light appears but is blinking, continue.
  • Start by removing any surge protectors, extension cords, and power strips from the path between your outlet and TV. You’ll want to plug your TV directly into the outlet.
  • If the light becomes solid, the problem is with one of the cables in the middle.
  • You can add the cables into the system one by one until the blinking light reappears.
  • If the light continues blinking, jump to the Input Source Mismatch cause below.

Remote Software Glitch

Remote Software Glitch

If your remote software is getting glitches, follow these steps. Resetting the remote is very simple.

  • Remove the back of your Samsung remote control and also take out both batteries.
  • While the batteries are removed, press and hold the power button on the remote control for 30 seconds.
  • Once the 30 seconds are up, go ahead and put the batteries back in your remote control and try turning on your TV.

Input Source Mismatch

Input Source Mismatch

Sometimes, when Samsung TVs don’t turn on, they’re just on the wrong input source.

  • If you have HDMI 1 set as the source and your source is connected to HDMI 2 you will not see anything.
  • To resolve this, click on the input/source button on your Samsung remote control or from a button on the side of the TV. And navigate through all the different inputs until you find the correct one.

Faulty HDMI Cable/Connection

Faulty HDMI Cable/Connection

If the TV is shut down while connected to the device via HDMI it will frequently not turn on unless the connected device is on. This could also depend on your usage or just the overall quality of the cable you purchased. Over time these cables will wear out and fail.

Bad HDMI Connections come in a few forms:

  • Loose HDMI Connection
  • Faulty HDMI Port
  • Bad HDMI Cable

Loose HDMI Connection

First, make sure that your HDMI connections are snug! then follow these steps.

  • Unplug your HDMI cable from your TV and the device.
  • Do this for each device connected to your TV via HDMI.
  • Replug the device and check your connection.

Faulty HDMI Port

The HDMI ports on your Samsung TV are not working because of these reasons:

  • You have set your TV to an input that does not have any device connected.
  • The source does not have power or is off.
  • The HDMI cable has come out loose on both ends.
  • The resolution on your source does not match that of your Samsung TV.
  • You are using a damaged HDMI cable.

Samsung TVs often have multiple ports, sometimes up to four! Use a different port and see if you get the picture back.

  • Unplug the HDMI cable connected to the TV.
  • Plug it into a different HDMI port. Note the HDMI port number.
  • Switch the input channel using your remote.

Bad HDMI Cable

The last possible fix here is to replace the HDMI cable you’re using and see if it does work. Because HDMI cables do not last forever. If you’ve owned the cable for a while or have moved it around several times, there is a chance it is broken and not working correctly.

Backlight Malfunction

Backlight Malfunction

Your power source is working, and your TV is on, but nothing is showing on the screen. The black screen is caused by a failed backlight.

  • If your TV’s backlights are NOT working, turn the lights off in the room, and turn “ON” your TV.
  • Then bring up the TV menu.
  • Use the flash from your smartphone,
  • Or get yourself an actual flashlight and shine the light onto your Samsung TV screen.
  • Make sure that you’re about 6-12 inches away from the screen.

You can replace the backlights yourself; you can order units to fit your TV, and replacement involves just screws and connectors.

Faulty Power Supply

Faulty Power Supply

There are a couple of tests you can do to see what has failed.

  • Remove the power cord and all other cables connected to the unit.
  • Remove the back cover of the unit.
  • You should also look at the power supply board for burn marks or swollen components, especially capacitors. These can fail in a way that the TV will start to behave strangely and then just go dark.

Samsung TV Bad Power Supply Symptoms

There are a few Samsung TV Bad Power Supply Symptoms. Knowing these symptoms helps you solve the problem using the right solutions and also reduces your panic.

  • TV Not Turning On
  • Standby Light Off
  • Flickering TV Screen
  • Lines On the Samsung TV Screen
  • Blank TV Screen

Motherboard Failure

Motherboard Failure

I will show you how to properly diagnose a bad mainboard for Samsung TVs. Follow these steps:

  • Disconnect the power cable from the main board to the power supply.
  • Turn on your TV and see if the backlight turns on.
  • If the backlights turn on the issue is the main board.
  • Order a new mainboard by using the code number on the motherboard.
  • Order from any best TV parts website.
  • Then install it and enjoy.

Conclusion

Hopefully, this article may help you. The most important thing is to stay calm. Then, you’ll be able to solve any problem. You can also visit our website RepairBuddy for more information.

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