What causes a TCL TV screen to go black? (2023)

One of the probable reasons why this can happen is an issue with the HDMI cable that outputs the display from whatever device you are using the TV with. Another reason can be that the TV's backlight is failing. Most TVs rely on a backlight to light up the image, and an issue there can cause black screens.

How do I refresh my TCL TV? Scroll and select About. Scroll and select System Update. The Software Update pop-up box will display, select Network Update. The TV will search for an available software update, once prompted, click OK to confirm.

How do I reset my TCL TV black screen?

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Unplug your TV, unplug all devices that are plugged into your TV and then hold the power button down for about a minute or so. Then plug one video source (preferably a local DVD / BR or Game console) in and plug the TV in, restart. See if that resolved it since a bad cable box can sometimes cause a dark screen as well.

What to do if your TV is on but the screen is black?

Unplug the power cord from your digital box, wait for 30 seconds, then plug it in again. Wait until the box has fully powered on again, then see if the picture has returned. If that doesn't fix it, If you have an HDMI cable connected to your TV, you could try an HDMI handshake.

Why does my TCL TV have no picture?

Restart the TV.

The location of the power button on most models in underneath TCL logo on the bottom of the TV or behind the TV towards the right edge. Please consult your user's manual for the exact location. Unplug the TV from the power outlet. After 30 seconds, plug the TV back.

How do I reboot my TV?


Reset the TV with the remote control

  1. Point the remote control to the illumination LED or status LED and press and hold the POWER button of the remote control for about 5 seconds, or until a message Power off appears. ...
  2. The TV should restart automatically. ...
  3. TV reset operation is complete.

How do you update your TV?


To update the software immediately, manually update your TV through the TV menu.

  1. Press the HOME button.
  2. Select the Apps. icon.
  3. Select Help.
  4. Select System software update.
  5. Select Software update.

How do I reboot my TCL Roku TV with a black screen?


In order to power reset your TCL Roku TV, follow the steps below:

  1. Turn off your TCL Roku TV using the remote.
  2. Unplug the Power Cable.
  3. Wait for 5-10 Minutes and plug the power cable again.
  4. Check if the issue is resolved.

Why is my TV turning on but no picture?

Check the TV's Input

If there's no picture showing on your screen, the first thing to check is the input source. … Connect the device to different ports on your TV to see if the port is the issue. If the problem persists, try connecting other devices to your TV or switching from one input setting to another.

What do you do when your Roku screen goes black?

Roku Keeps Blacking Out / Going Black

When the Roku TV continues to blackout, it's likely due to minor tech bugs. Rebooting the device will reset all of its hardware and applications. A reset will resolve any errors triggering the black screen, restoring Roku's usual high-quality images.

How do you fix a TV that turns on but no picture?

Unplug the TV cord from the power socket. Leave it unplugged and while it's unplugged press and hold the Power button on the TV for 25 seconds. Release the power button and plug the cord back in. Turn ON the TV using the remote control or manually and check if there's picture on the Screen.

What causes a TV screen to go black?

Loose connections, damaged cables or inactive power sources are the likely cause of the problem on your TV. … Your TV might be set on a wrong input. Ensure that your TV is set to the correct input to avoid this issue. Firmware update issue: Your TV screen might be having a black display due to the obsolete firmware.

Why is my TV on but no picture?

ie a cable box or a DVD player, then the possible reason why it is not displaying a picture is that the cable connecting the TV to the cable box or DVD player is loose or damaged. … If there is still no picture, then the cable is damaged and needs to be replaced. Visit your nearest TV repair expert and buy a new cable.

What causes no picture on TV?

Loose or damaged cables

ie a cable box or a DVD player, then the possible reason why it is not displaying a picture is that the cable connecting the TV to the cable box or DVD player is loose or damaged. The cable that is responsible for displaying a picture is the yellow cable. Check it to see if it is loose.

Why does my Roku have sound but no picture?

Your first method is to check if the HDMI cable is set up correctly and if it's plugged all the way into the corresponding HDMI slot. … If you are using a home cinema or an HDMI Splitter, try plugging the HDMI cable directly into your Roku device just in case if your third-party device has developed a fault.

What does it mean to reboot your TV?

You can restart your TV when necessary. Restarting has the same effect as unplugging your TV power and then plugging it in again.

Will unplugging my TV reset it?

Disconnecting the TV from the power supply does not reset the TV, it just turns it off as if it were turned off and switched on via the remote control. If you want to perform a factory reset, you can usually do so via the configuration menu or a button located somewhere on the TV.

How do you update an old Smart TV?


Update Your TV Manually via the Internet

  1. Go to Settings.
  2. Select Support.
  3. Select Software Update.
  4. Select Update Now. ...
  5. If no updates available, select OK to exit the Settings menu and proceed to use the TV.

How do I update my Smart TV software?


Update device software +

  1. Turn on your TV, then press the Menu button on your remote.
  2. Select Support> Software Update.
  3. Select Update Now.
  4. After starting the update, your TV will power off, then turn on automatically. You will see a confirmation message when the update has completed successfully.

How do I update my Smart TV apps?

  1. 1 Press the Smart Hub button.
  2. 2 Select Featured. ...
  3. 3 Navigate to an App that needs updating, then press and hold the Enter button until a sub menu appears.
  4. 4 Select Update apps.
  5. 5 Click Select All.
  6. 6 Select Update.
  7. Any apps available with an update will begin updating.

Why is my Roku not showing a picture?

Unplug your Roku and TV's power cables from the power outlet. Wait for at least 3-5 minutes with disconnected power cables for the best result. Plug all of the cables into the corresponding slots and turn the devices on. Check if you have a clear picture of Roku now.

Why did my Roku TV go dark?

Select Roku TV models have an advanced picture control setting called local dimming, local gold contrast. Local dimming technology improves the contrast performance of your Roku TV by dimming the parts of the screen that should be dark while not altering the parts of the screen that should be bright.

Where is the reset button on my Roku TV?

Roku devices come with a physical factory reset button on the back or bottom of the device. This button is either a tactile button or a pinhole button. You can factory reset these devices by long-pressing this button.

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