LED Display Support & Help Center
Knowledge Base
Self-Help
Contact Support Team
If issue still persists
Quick Troubleshooting Guide
Why is my LED video wall screen blank?
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Check if the media player or computer is powered ON -
Ensure the LED controller is switched ON
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Verify HDMI / DVI cable connection
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Check CAT-6 cable between controller and display
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Confirm main power supply (MCB) is ON
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Restart the media player and controller
Why is my LED display flickering or showing incorrect colors?
Flickering or color issues are typically due to loose cables, damaged signal wires, or incorrect resolution settings.
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Check HDMI / input cable connection
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Replace damaged cables if needed
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Verify CAT-6 data cable connection
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Check display resolution settings
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Restart the system
Why is part of my LED screen blank or flickering?
Partial display issues occur due to cabinet power failure, loose connections, or SMPS malfunction.
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Check power supply to affected cabinets
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Inspect cabinet power cable connections
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Verify data cable connections between cabinets
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Check SMPS inside cabinet
Why is one LED cabinet blank?
A single cabinet failure is usually caused by power supply issues, data cable disconnection, or receiver card failure.
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Check power supply to the cabinet
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Verify data cable from previous cabinet
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Inspect SMPS inside cabinet
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Replace receiver card if required
Why is a small square area on my LED screen blank?
A blank module is typically caused by a loose ribbon cable or faulty LED module.
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Check ribbon cable connection
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Verify module power connector
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Replace ribbon cable if damaged
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Replace LED module if required
Why is my LED screen too dim or too bright?
Brightness issues occur due to incorrect settings, sensor misconfiguration, or unstable power supply.
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Adjust brightness settings in controller
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Check automatic brightness control
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Verify brightness sensor settings
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Ensure stable power supply
Why is my LED screen ON but showing no signal?
This happens when the controller is not receiving input from the media player or source device.
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Check HDMI / DVI cable connection
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Confirm correct input source selection
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Restart media player and controller
Why is content frozen on my LED display?
Content freezing is usually caused by media player or software issues.
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Restart media player or computer
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Check content software status
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Verify internet connection (if cloud-based)
Why is wrong or old content showing on my LED display?
Incorrect content appears when the media player is not updated or still playing stored media.
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Update content from CMS/software
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Restart media player
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Check storage space
Why is content distorted or stretched?
Distorted content occurs due to incorrect resolution or screen configuration.
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Verify screen resolution settings
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Check LED controller configuration
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Restart media player
Why is the LED controller not detecting the display?
Controller detection issues are usually due to network or configuration problems.
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Check LAN cable connection
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Restart controller and system
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Verify IP / network settings
Why is there delay between video and audio?
Audio-video delay is caused by media player or playback configuration issues.
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Check media player settings
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Verify playback software
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Adjust audio delay settings
Why does my LED display turn OFF automatically?
Automatic shutdown can occur due to power instability, scheduling settings, or overheating.
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Check power supply stability
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Verify timer or schedule settings
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Ensure proper ventilation
How to maintain an LED video wall?
Proper maintenance improves performance, brightness, and lifespan of LED displays.
Best Practices:
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Maintain stable electrical power supply
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Avoid frequent ON/OFF cycles
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Keep display area clean and dust-free
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Ensure proper ventilation
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Schedule periodic preventive maintenance
Still Unable to Resolve the Issue?
If the problem persists after following the troubleshooting steps, please contact our team. We provide:
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Remote troubleshooting
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On-site service at installed locations
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Annual Maintenance Contracts (AMC)
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Technical support
Talk to our team to plan a customized LED display solution for your location
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