Faults & Troubleshooting

Start with the symptom

Select a fault category below. The guides are organised by what you observe rather than by component — because most people know what the TV is doing wrong before they know why.

Picture faults

All fault guides

Picture · Marcus Holt

Screen Flickering: Causes by Panel Type and How to Isolate Them

HDMI handshake issues, PWM dimming, refresh rate mismatch and the difference between a panel fault and a settings fault.

Picture · Priya Sandhu

Black Bars and Cropped Images: Why It Happens and How to Fix It

Aspect ratio settings, overscan and source format versus display format mismatch.

Connectivity · Marcus Holt

HDMI Problems: Signal Loss, No Signal and Handshake Failures

HDCP errors, ARC and eARC conflicts, cable specification versus port specification mismatches, and HDMI CEC conflicts.