2 Minutes LED Display Flickering Fast Troubleshooting (2023)!
In the process of LED display application, we will encounter the problem of LED display flickering. The solution for fixed position LED screen flickering and the solution for full-screen flashing are listed below!
Fixed Position LED Screen Flickering Solutions
| Fixed Position LED Screen Flickering Solution | ||||
| Phenomenon | Possible Causes | Description | Solution | |
| Fixed Position Screen Flashing | Screen flashing in units of network ports | Output network port problem | Network port failure | Replace the network port or sending cards |
| The network port exceeds the load | A network port exceeds the load | Redesign the display wiring scheme | ||
| Network cable | The network cable connection is loose or the quality is not good | Reconnect or replace the network cable | ||
| Screen flashing units of receiving cards | Power supply | Unstable power supply voltage | Replace the power supply of the receiving card | |
| Network cable | The network cable of the receiving card is loose or the quality is not good | Reconnect or replace the network cable | ||
| Receiving card | Configuration file error | Read back from the normal receiving card and send it separately | ||
| Firmware program version error | Upgrade to the correct version | |||
| Receiving card hardware failure | Replace receiving card | |||
| HUB adapter board | Adapter board hardware failure | Replace the HUB adapter board | ||
| Screen flashing by module | Power supply | Unstable module power supply | Replace the cable of the power or replace the power supply directly | |
| HUB adapter board | The interface of the HUB adapter board is faulty | Replacing the HUB interface or replacing the adapter board directly | ||
| Flat Cable | The flat cable connection is loose or the quality is not good | Re-fix the cable or replace the cable directly | ||
Random Full LED Panel Flickering Solution
| Random Full LED Panel Flickering Solution | |||
| Phenomenon | Possible Causes | Description | Solution |
| Full Screen Random Flashing | Computer | Graphics card output failure | Try changing computer |
| The output frame rate of the graphics card does not correspond to that of the sending card | Set the output frame rate of the graphics card to be the same as that of the sending card | ||
| Video cable | Loose connections or damaged cable | Replace the video cable | |
| Sending card | Input source interface failure | Replace the interface or replace the sending card directly | |
| The output interface of the main network port is faulty | Replace the network port or replace the sending card directly | ||
| Sending card hardware problem | Replace sending card | ||
| Receiving Card | Configuration file error | Resend the correct configuration file | |
| Firmware program version error | Upgrade to the correct firmware version | ||
| Power Supply | Unstable power supply | Replace the power supply | |
Novastar Video Tutorial About Tourbleshooting Screen Flickering
Here is an official video tutorial from Novastar on how to solve screen flickering issues. The video is quite long and the first part covers basic knowledge about LED control systems and solutions for blackout issue.
For those who already have some knowledge, you can fast-forward to the twentieth minute directly.
In this article, we discussed how to figure out problems of LED display flickering, and the methods of positioning questions and corresponding solving ways. First, we need to find out whether the flickering problems happen on the whole screen or on some fixed parts of the display. Then we can suit the remedy to the case! For more articles about LED control system and LED display screen, just follow our blog section!
