Dealing with a black screen on your Hisense Roku TV can be frustrating, but the good news is that this issue can often be fixed with some simple troubleshooting steps. A black screen usually means your TV is powered on but not actually displaying a picture. This could happen with or without audio continuing to play.
Hisense Roku TV Black Screen Issue With or Without Audio: Fixing Steps
Below are some of the most common fixes for a Hisense Roku TV showing a black screen, whether the sound is working or not.
Check Power and Connections
The first step is ensuring your TV gets power, and all cables are properly connected. Make sure the TV is plugged into a working electrical outlet. Verify that the power cable is securely inserted into the TV and that the outlet is switched on.
If you use an extension cord or power strip, plug the TV directly into the wall outlet. Faulty or overloaded power strips can sometimes cause display issues.
Also, check that all video inputs and outputs are correctly connected. For example, if you’re using an external device like a cable box or game console, check that the HDMI cable is firmly plugged into the port on the back of the TV. Loose connections are a common cause of black screens.
Turn the TV and Device Off and On Again
If the TV has power but no display, the next step is to restart it. Turn the TV off either by pressing the power button on the remote or on the TV set itself. If your TV is unresponsive, you may need to press the power button long or even unplug it from the power outlet for 10-15 seconds before plugging it back in.
Once powered down, turn the TV back on and see if the picture returns. Also, turn off and restart any external devices you have connected. You can try restarting your Roku streaming device by going to Settings > System > Restart for Roku TVs. Restarting devices can often resolve software glitches causing black screen problems.
Check for Standby Mode
Some Hisense Roku TVs use a standby mode that turns off the screen while the audio continues playing. This helps conserve energy when listening to music playlists or podcasts. Your TV may have accidentally entered standby mode, causing a black screen.
Check your remote for a button labeled “Screen Off” or something similar. Press this button to exit standby mode and restore the video display. If your remote doesn’t have a screen-off button, you can usually exit standby by pressing the power or home button.
Troubleshoot HDMI Connections and Cables
An HDMI issue is one of the most common reasons for a blank screen. HDMI cables transfer both audio and video from your devices to the TV, so problems with these cables can cause black screens with audio still working.
Try disconnecting and reconnecting all HDMI inputs to reseat the cables. Also, try swapping cables to see if one may be defective. If possible, test connecting a device with the blank screen issue using a different HDMI port on the TV.
Additionally, HDMI cables can malfunction if bent or damaged. Inspect cables for any pinched or creased sections that could be interrupting the video signal. Shorter cables are less prone to damage.
Finally, confirm that the HDMI cable is rated for the resolution and frame rate of the displayed content. Lower-quality HDMI cables may have bandwidth limitations that prevent high-resolution video from coming through. HDMI 2.0 and 2.1 cables are recommended for 4K video.
Adjust Display Settings
Sometimes, a blank screen is caused by incorrect display settings. You may need to adjust the TV’s input source, video resolution, or picture settings.
Press the Input or Source button on your remote to cycle through inputs until you see the connected device displayed. For Roku TVs, another option is pressing the Home button and reselecting the input.
Check that the correct resolution is being output by external devices. Incorrect resolutions can lead to black screens. The TV’s on-screen menu can also be accessed to adjust display modes and settings.
From the Settings menu, try changing the Picture Mode. Toggle through different modes like Standard, Vivid, Sports, Movie, etc., to see if one restores the video output. Changing advanced settings like Contrast, Brightness, Color, and Sharpness can also help in certain cases.
Factory Reset the TV
If you have tried the steps above without success, a factory reset is another troubleshooting option. A factory reset will clear all custom settings and revert the TV back to its original out-of-the-box state. While this should be done as a last resort, it can fix software glitches causing a black screen.
On a Hisense Roku TV, go to Settings > System > Advanced System Settings > Factory Reset. You’ll be asked to enter a PIN, which is often 0000 or 1234. Confirm the factory reset to erase all data and settings. The TV will restart fresh.
You’ll have to reconnect to the internet, re-link any streaming apps, and reconfigure preferences following a factory reset. Check that the black screen problem is fixed before spending time on additional setup. If the issue persists, a hardware problem may require professional service.
Check for Overheating Issues
Televisions can overheat from extended use, blocked ventilation, or faulty components. An overheated TV will often display a blank black screen.
Inspect your Hisense TV for blocked air vents along the back, sides, and top. Ensure adequate airflow around the TV and that vents remain dust-free. Also, check that the TV isn’t confined in too tight of a space restricting ventilation.
Feel along the back vents for any excessive warmth when powered on. Move the TV to an open location if heat is detected to prevent overheating. Extended use with playback at maximum brightness can also cause overheating in some cases.
Schedule professional service if you suspect temperature issues are causing your black screen problem. Overheating can damage TV components when left unchecked.
Rule Out Hisense Roku TV Hardware Problems
If you’ve worked through all of the troubleshooting tips above and the Hisense Roku TV black screen persists, the issue may require professional repair or replacement. Some causes, like faulty hardware, cannot be fixed with basic steps.
Common hardware issues leading to blank screens include:
- Bad LED/LCD panel: The screen’s backlight or display panel develops a fault.
- T-con Board Failure: The timing controller fails, preventing a picture from being rendered.
- Mainboard Problems: Issues with the main board can disrupt output to the display.
- Loose Ribbon Cables: Video signal cables inside the TV become unattached.
- Bad Power Supply: Insufficient power prevents the TV from turning on correctly.
- Faulty Voltage Regulator: Regulated voltage for TV components falls out of tolerance.
- Blown Fuses: Fuses designed to protect the TV’s circuits fail.
- Damaged HDMI ports: Broken HDMI sockets on the main board disrupt video signals.
Extensive troubleshooting and electronic testing are required to pinpoint hardware faults. Some electrical safety risks are also present when inspecting internal TV components. For this reason, detailed repair work on complex TV issues should be left to an experienced professional technician.
Contact Hisense Support
If you have tried all the steps without fixing your Hisense Roku TV black screen, it’s time to contact Hisense customer support. You can call their TV technical support phone number or start a live chat session on their website for assistance.
Support can walk you through advanced troubleshooting or determine if your TV needs service or repair. They may be able to offer a replacement TV if your model is still under warranty.
Preventing Hisense Roku TV Black Screen Problems
While it’s impossible to avoid technical issues 100% of the time, there are steps you can take to minimize problems like black screens:
- Keep the TV away from dust and high temperatures.
- Provide adequate ventilation around the set.
- Use surge protectors to prevent power spikes.
- Install TV updates and firmware promptly.
- Handle cables with care to avoid damage.
- Use high-speed HDMI cables rated for 4K/HDR.
- Don’t use underpowered extension cords or power strips.
Hisense Roku TVs are highly reliable when protected from dust, moisture, and excessive heat. Maintaining the latest firmware and avoiding cable damage also helps maximize reliable operation.
Know When to Call a TV Repair Technician
Do-it-yourself troubleshooting can go a long way in resolving common blank screen issues. But if you’ve worked through all television and external device resets without improvement, the problem may be beyond DIY solutions.
A professional repair technician should handle technical issues involving faulty hardware, extensive disassembly, and electrical risks. They have the skills, equipment, safety training, and resources to diagnose and correct faults efficiently.
Service technicians can also determine if a new main board, LED panel, or other component needs to be replaced. This avoids wasting money on unnecessary parts purchases during guesswork troubleshooting.
In summary, a black screen on a Hisense Roku TV can result from:
- Power connection issues
- Incorrect input selection
- Standby mode being activated
- HDMI cable problems
- Outdated firmware
- Incorrect display settings
- Hardware failure
The step-by-step troubleshooting guide can help isolate and resolve many common causes. However, professional television repair services are recommended for damaged cables, overheating, and internal component faults.