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A TV connected via HDMI cable to a small computer board, illustrating automated power scheduling for a digital sign.
hdmi-cec20 September 2026

HDMI-CEC Not Working on Digital Signage? How to Fix It

HDMI-CEC not working on digital signage? Fix TVs that ignore their power schedule: CEC settings by brand, ports, cables, eco mode and Raspberry Pi tests.

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Illustration of a Raspberry Pi connected to a TV showing a signage playlist, surrounded by icons for temperature, SD card, and power supply representing common troubleshooting checks.
raspberry pi14 September 2026

Raspberry Pi Signage Troubleshooting Guide

A practical Raspberry Pi signage troubleshooting checklist: fix reboots, freezes, Chromium kiosk crashes, and set up a watchdog for automatic recovery.

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