Troubleshooting Intermittent LED Display Flickering and Video Cable Diagnostics

Symptom: Intermittent Glitching (25% of Screen) When an LED display shows intermittent flickering, colour artefacts, or content dropout affecting a specific region (e.g., 25% of screen area), the root cause is typically a loose or degraded video cable, failing receiving card, or unstable power supply to affected modules. Video Cable Diagnostics Identify affected zone: Note which physical area of the display is glitching. LED walls are typically divided into zones served by individual receiving c