tcl roku dim screen

Fix TCL Roku Tv Dimming and Screen Flickering and Flashing issue

Today we’re going to discuss the two most annoying issues facing by TCL Roku tv owners. The first one is the TCL Roku or TCL tv screen dimming issue or the issue with brightness. This is one of the most common issues faced by many TCL tv owners. In this case, the screen goes so dark that you just can’t see anything on your screen. Below we’ve mentioned the dimming issue signs.

  1. While watching a show or movie the screen dims during a dark screen.
  2. After an update, many people face the TCL Roku tv dim screen issue.
  3. Facing dim screen on a particular app like Netflix or prime video.
  4. A temporary glitch can also cause a TCL tv dimming screen issue.

How do you fix a dim screen on a TCL Roku TV?

Below we’ve gathered some of the working solutions that can help in fixing the dark or dim screen issue on your TCL Roku tv.

Power cycle your TCL tv

The power cycle of your TCL tv can help you in fixing the dim screen issue. If this is a temporary glitch or if you’re facing a dim screen after a recent update then the power cycle of your TCL tv can fix the issue.

  1. Turn off your tv and unplug it from the power socket.
  2. Now press and hold the power button on your tv for 10-15 seconds.
  3. Now, wait for 10-15 minutes.
  4. Plugin your tv and turn it on.

Now play the show or content where you were facing a dimming issue.

Tips: Restarting your tv can also help you in fixing the dimming issue on your TCL Roku tv. Press the following button sequence for restarting your tv – press home 5 times, up, rewind 2 times, fast forward 2 times. After pressing these buttons your Roku tv will restart and the dimming issue will be fixed. You can also go to settings> system> power> system restart. This can also restart your TCL Roku tv.

Change the picture mode

If you’re getting a dimming screen issue on your TCL Roku tv. Then changing the picture mode can help you in fixing the issue. You can follow the steps below to change the picture mode.

  1. First, open the video content where you are getting a dim screen. You can also open youtube.
  2. Now press the * button on your TCL Roku remote.
  3. Now go to advanced picture settings.
  4. From here change the picture mode to movie mode.

After changing picture mode your tv dimming issue will be fixed on your TCL Roku tv.

Tips: If your TCL Roku tv picture mode is set to low power then this can also result in a dim brightness issue. So to fix this change the picture mode to any other mode than low power. This can fix the TCL Roku tv dim screen issue.

Related: Fix lg tv black screen

Update your TCL Roku tv

Many Roku tv owners have said that updating their tv’s firmware fixed the brightness dimming issue on their Roku tv. You can follow the steps below to update your Roku tv.

  1. Go to settings.
  2. Now scroll down and select the system option.
  3. Select system update.
  4. Select check now and if there’s an update available then update your TCL Roku tv to the latest version.

After updating your TCL Roku tv restart your tv. After restarting your Roku tv check if you’re still facing the dim screen issue on your Roku tv or not.

Related: Fix roku overheating issue

Disable local dimming (selected TCL Roku TVs)

Disabling local dimming can help you in fixing the dimming issue on your Roku tv. Then you’ll not face the dimming issue in the dark scenes. For disabling the local dimming option on your Roku tv you can follow the steps below.

  1. Press the * button on your TCL Roku remote.
  2. Go to advanced picture settings.
  3. Now go to the local contract and turn it off.
  4. Now turn off dynamic contrast.
  5. Go to brightness and set it to brighter.

Now you won’t face the dimming issue on your TCL Roku tv.

Change HDR to open HDR

Changing HDR mode to open HDR fixed the dimming issue for some TCL Roku tv owners. You can try setting the HDR mode to open HDR by following the steps below to fix the dimming issue on your TCL Roku tv.

  1. Press the home button 5 times.
  2. Now press rewind.
  3. Press the play/pause button.
  4. Press fast forward.
  5. Now play/pause button.
  6. Press rewind.
  7. Now select change HDR.
  8. Now select open HDR. If open HDR doesn’t work for you then select disable HDR.

After making these changes dimming issue will be fixed on your TCL Roku tv.

Related: Fix tcl roku tv green screen issue

Fix Flashing, Flickering, Brightness popping up on TCL Roku

In this case, the screen goes dark in dark scenes then suddenly goes to high brightness when the scene changes. Also, some tv flashes brightness and struggles to manage screen brightness and this can cause the brightness flickering issue on your TCL Roku tv. This issue is faced on both HDR mode and normal tv or SDR mode. Below we’ve mentioned two working steps to fix the screen brightness flashing or flickering issue on your TCL Roku tv.

HDR mode

If you are facing this flashing or flickering issue while watching HDR content then you need to change the HDR mode.

  1. Go to settings.
  2. Now select the picture mode to normal HDR or dark HDR mode according to your convenience.

After changing the HDR mode flashing and flickering brightness issue will be fixed while HDR content on TCL Roku tv.

In normal mode
  1. First, play a video to access picture settings.
  2. Press the * button on your TCL Roku remote.
  3. Now change the tv brightness setting to normal or dark.
Reset TCL Roku tv

If none of the steps worked for you, then resetting your TCL Roku tv to factory settings can help you in fixing the dimming screen issue on your TCL Roku tv.

  1. Go to settings.
  2. Now select the system from the option.
  3. Now select advanced system settings.
  4. Select factory reset.
  5. Now first try resetting your audio/picture settings.
  6. If that didn’t work then select factory reset everything.
factory reset roku

Resetting your TCL Roku tv to factory settings will fix the screen dimming issue or going dark issue on your TCL Roku tv.

Contact TCL Roku or Roku

If you’re still facing the dimming or flashing flickering issue on your TCL Roku tv. Then you can try contacting Roku or TCL team for help. They can help you in resolving this issue on your TCL Roku tv.

If this post helped you then also check how to resolve the black screen issue on tcl roku tv.

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