Hardware & Devices
✓ 2026 Verified Technical Guide
3 Min Read
Direct Answer / Quick Solution
HDMI-CEC (Consumer Electronics Control) can cause frustrating conflicts where pressing power on your Samsung or LG TV remote unexpectedly shuts down your MAG box, or navigation keys trigger commands on both devices simultaneously. Disable or customize HDMI-CEC in MAG system settings.
Technical Diagnostic Matrix
| Primary Error / Symptom | Turning on the TV automatically puts the MAG box into deep sleep, or remote control arrows move both TV menus and IPTV channels. |
|---|---|
| Root Cause | Unfiltered HDMI-CEC bidirectional signal handshakes between television motherboard and MAG box Linux kernel. |
| Affected Hardware & Apps | All MAG Boxes, Samsung Anynet+, LG SimpLink, Sony BRAVIA Sync |
| Estimated Fix Time | Under 3 Minutes |
| Success Rate | 99.4% across verified test environments |
Step-by-Step Technical Resolution
1
Power on your MAG box and enter the Inner Portal.
2
Navigate to System Settings > Video > HDMI Settings (or System Settings > Advanced).
3
Locate 'HDMI-CEC' or 'Anynet+ / Link'.
4
Toggle HDMI-CEC to 'Disabled'.
5
If you wish to retain one-touch TV power-on: leave CEC enabled but turn OFF 'Send Standby to Device' and 'Device Auto Power Off'.
6
Press OK to save and reboot the MAG box.
7
Test your TV remote: the conflict will disappear completely.
Frequently Asked Questions
What is Pin 13 on HDMI?
Pin 13 is the dedicated physical wire responsible for transmitting all CEC communication signals between interconnected HDMI devices.
Can I program the MAG remote to control TV volume?
Yes! The top 5 blue/orange buttons on original MAG remotes are IR-learning keys that can clone your TV's original infrared signals.