8 Ways To Fix Roku TV Green Screen

You turn on the Roku TV to watch movies and shows but you get a green screen. Instead of displaying a picture, you see a Roku TV green screen. This problem can occur with anyone due to any software or hardware glitch.

Sometimes a simple turn-off and on of the Roku TV solve this issue. But people think the TV is dead and they call a TV repair person to fix the issue. Don’t do this and try easy fixes from this guide. These fixes help you to get Roku TV back into the normal display so you can enjoy your movies and shows.

Why Does My Roku TV Have a Green Screen?

Why Does My Roku TV Have a Green Screen?

Faulty HDMI Cable

A faulty HDMI cable is one of the major reasons for the Roku TV green screen issue. A loose, damaged, or improperly connected HDMI cable won’t display the picture properly. A faulty HDMI cable shows a different color on the screen. Sometimes this color is green on the whole screen.

The HDMI port or cable could have become bent or loose over time, creating signal issues that manifest as a frozen green screen.

Software Issue

Roku TV has its own firmware and software to operate. Bugs or glitches in the firmware can sometimes cause system crashes that lead to a bank green screen. Software issues may arise due to any app cache, outdated software, and many more reasons.

Faulty Hardware

In some cases, the green screen indicates an internal hardware problem with the Roku TV. Issues with the graphics processor, LCD panel, or other components can lead to video signal problems. Hardware defects generally require repair or replacement to truly fix the green screen, though resetting settings can provide a temporary fix.

How To Fix Roku TV Green Screen Issue?

Before you panic and call the TV repair shop to fix the Roku TV green screen problem, there are several troubleshooting tips you can try yourself to eliminate the Roku green screen:

1. Power Cycle Roku TV

Power Cycle Roku TV

Power cycling, also known as power resetting, is one of the easiest ways to fix temporary glitches that cause the green screen on Roku TV. Here are the steps:

  1. Locate the power cable connected to your Roku TV. It’s usually plugged into the back or bottom of the unit.
  2. Unplug the power cable from the electrical outlet or surge protector that it’s connected to.
  3. Wait around 5-10 minutes before plugging the power cable back into the electrical outlet. This gives time for the components to fully reset.
  4. Turn your Roku TV back on using the remote or power button on the unit.
  5. Check if the green screen is still being displayed. Often, the power cycling process will clear up glitched software or firmware and restore the normal Roku interface.

2. Check HDMI Connections

Check HDMI Connections
  1. Locate the HDMI cable and make sure both ends are inserted fully into their respective ports.
  2. Visually inspect the HDMI cable for any obvious damage like bent pins, frayed wires, or cracks in the connectors. Damaged cables can disrupt the video signal and you see a green screen.
  3. Remove both ends of the HDMI cable and firmly reinsert them into the ports. This can create a fresh connection and displace any debris.
  4. You can also try swapping the current old HDMI cable with a different high-speed new HDMI cable. Use HDMI 2.0 or higher spec cables if possible.
  5. Plug the Roku HDMI cable into a different HDMI input port on the TV if another one is available. After changing the port, reset your television input source back to the HDMI port that the Roku is now connected to.
  6. Power cycle the Roku TV again after completing these HDMI connection steps.

3. Restart Roku TV

A green screen of death is a common issue in the Roku TV. When your Roku TV fails to boot up properly, it may display a static green screen. Sometimes the green color hue is not high and you can see text on the Roku screen. Maybe the text is not clearly visible but you can read it.

Sometimes a simple restart may fix the green screen issue. Now you have to go into the settings menu of the Roku TV to restart it.

On the Roku remote press the home button to go to the home screen of the Roku TV. Now here you can see a setting option in the list. Use the up and arrow keys on the remote to go up and down. Go to the settings option and click on it.

In the setting, go to the system option and click on it. Now here you will see the power option. In the power option, there is a system restart feature, click on it to restart the Roku TV. It will take a few seconds to minutes to properly restart the Roku TV.

If you can’t see anything on the screen due to the green hue, still you can restart it by using your remote. Press the button on the Roku remote in the below sequence to restart the TV.

  • Press the Home button 5 times
  • Press the Up Arrow once
  • Press Rewind twice
  • Press Fast Forward twice

4. Reset Display Setting

Sometimes whole screen of the Roku TV is not green only a specific area of the Roku TV is green. In this condition, you can access the display setting of the Roku TV. Roku TV has different display settings. You should try every supported display setting to check whether the green screen issue is solved or not. Here are steps to change or reset the display setting of the Roku TV.

  1. From the Home screen, navigate to Settings > TV picture settings > Picture mode, and change the mode to Normal if it’s not already set to that.
  2. Go to Settings > TV display settings > Display type and select either Automatic or change it to a specific resolution like 1080p or 4K if you know your TV’s native resolution.
  3. Go to Settings > TV display settings and select Reset display settings. Read the warning prompts and select Reset settings to confirm.

5. Switch Between Local TV and Streaming Apps

Switch Between Local TV and Streaming Apps

On the Roku TV, you can play local TV and stream content from OTT apps. When you get a green screen on the Roku TV, you should switch between local TV and OTT apps or vice versa.

You can do it by using the input source button on your Roku TV remote. By pressing the input button, you can see available input sources. You can quickly select Antenna for local channels, HDMI 1 for your cable box, streaming apps, etc.

If your mobile phone has a Roku app, you also can use it to switch between local TV and streaming apps. Open the app, go to Devices, pick your Roku TV, then select Remote. You’ll see the input selection menu at the bottom – just tap to change inputs. Once you change the input, wait for a few minutes before again switching back to the previous input source.

6. Clear Roku TV Cache

When you use Roku tv is stores cache data in its memory. Over time, cached video fragments, artwork, and other temporary files can build up and cause performance lag or crashes that lead to the green screen. When you remove cache files, you clean this data.

When you delete the cache file from Roku TV, it will load fully and reload the operating system and apps on the Roku TV from scratch.

  1. From the Roku’s Home screen, go to Settings > System > Advanced system settings.
  2. Select Clear Cache. This will clear video caches that can accumulate over time and cause performance issues. The Roku will restart to complete clearing the cache.
  3. Unplug the power cable from the Roku TV for 60 seconds before reconnecting it. This power cycling helps clear any remaining glitches.
  4. Turn the TV back on and check if the green screen of death is still appearing or if clearing the cache resolves the issue.

After the resets, go to Settings > System > System update to download the latest Roku OS software. Also, check for app updates under My Channels in the Roku Channel Store. Update any apps that need newer versions.

7. Factory Resetting the Roku

Doing a factory reset will wipe the Roku device back to a clean, original state with default software and settings and fix the Roku TV’s green screen of death. This can eliminate problematic channel apps or corrupted system files causing a green screen.

To factory reset a Roku TV:

  1. From the Home screen, go to Settings > System > Advanced system settings > Factory reset.
  2. Read the factory reset warning prompts carefully. This will sign you out and remove all customized settings. Select Factory reset to confirm.
  3. Unplug the Roku TV power, wait 1 minute, and reconnect power to allow the reset process to complete.
  4. Turn on the TV and walk through the initial Roku setup process, including re-linking your Roku account and adding channel apps.
  5. If the green screen was caused by faulty firmware or channel app issues, the factory reset has likely cleared the problems and restored normal video output.
  6. Log back into your Roku account and assess channel apps one by one after adding them back, in case one particular app is the culprit.

8. Disable Fast TV Start

Many people turn on the fast start mode on the Roku TV. In the fast start mode, the Roku device is kept running in a low power state when the device is powered off. It skips the bootup process of the Roku TV and restarts it much quicker.

In the fast start mode, critical background services, firmware, and networking features remain running in a minimal low-power state and it may cause a green screen issue. To disable fast start follow these steps:

  • From the Home screen, go to Settings > System > Power.
  • Select Fast Start.
  • Choose the Disable option to turn Fast Start off.

Why Roku TV Green Screen When Streaming?

Have you ever faced a Roku TV green screen when using Netflix and other streaming apps? In some cases, a green screen only appears when you use any streaming app. Here are some possible causes of this issue:

  • An outdated or defective channel app can crash and cause a green screen. You should delete all apps that are outdated.
  • Poor WiFi signal or intermittent internet while streaming could cause video failure and a green screen
  • Long streaming sessions can overheat Roku components, leading to system crashes and a green screen.
  • Roku models with faulty GPUs or decoders may green screen when hardware acceleration is used for streaming.

When Using Roku There Is a Large Green Space on The Right Side of My TV Screen?

  • Incorrect Overscan Settings – In the Roku TV there is an overscan setting. When this setting is enabled, it crops the edges of the picture and may cause a green screen. Disable the overscan setting to fix it.
  • Wrong Aspect Ratio – The aspect ratio of the Roku TV and streaming content may be different. A mismatch ratio can cause green bars or spaces on the sides.
  • Resolution Mismatch – If the Roku’s output resolution doesn’t match the native resolution of your TV, it could cause a green space.
  • HDMI Cable Issue – A damaged HDMI cable could cause visual artifacts and green spaces. A loose connection can be displayed as a green space on the TV.
  • TV Display Defect – If the issue persists across different settings and cables, your TV may have a hardware defect in the TV.


Why Is There a Green Stripe Going Down The Right Side of My TV Screen When Using Roku?

The green stripe could be caused by a faulty HDMI cable, a problem with the Roku device, incorrect TV settings, a bad video signal from the Roku, a loose HDMI port connection on the TV, or a defect with the TV itself. Try different cables, ports, and devices to isolate the issue. Check Roku for firmware updates, TV settings, and TV connections

Why Did My LG Roku TV Screen Flashing Green and White?

The flashing and discolored screen could be caused by a loose HDMI cable connection, a hardware failure like a faulty T-Con board inside the TV, a software glitch with the Roku firmware, an incompatibility between the Roku’s output resolution and the TV’s capabilities, or electrical interference from nearby devices.

Final Thoughts

A green screen is a frustrating problem that can prevent you from enjoying your favorite show or movie on the Roku TV. While troubleshooting Roku TV green screen issues can be tedious, this guide outlined several DIY solutions to try. These solutions work for all TCL Roku green screens, Hisense Roku green screens, and Westinghouse Roku green screens.

Simple steps like rebooting, checking connections, resetting display settings, and updating software can often resolve the problem. Performing a factory reset as a last resort may also fix stubborn green screen errors. If you still see a green screen after trying these fixes, contact TCL support. Their experts can provide advanced troubleshooting to identify any underlying hardware or software faults.


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