TCL 65Q8C 65 Zoll QD-Mini LED-Fernseher — Error codes & fixes
Troubleshooting guide for the TCL 65Q8C 65 Zoll QD-Mini LED-Fernseher. Diagnose an error code and find the fix.
HDMI no audio
hdmi-no-audioThe TV shows video over HDMI but no audio, often due to an audio output setting.
Source: TCL support — TV troubleshooting
Confidence: 80%
Verified Aug 9, 2026
No signal / black screen
no-signalThe TV or monitor shows no signal, often from an HDMI issue or a wrong input.
Source: TCL support — TV troubleshooting
Confidence: 90%
Verified Aug 9, 2026
Won't power on
no-powerThe soundbar does not turn on, often from a faulty power supply or a blown fuse.
Source: TCL support — TV troubleshooting
Confidence: 85%
Verified Aug 9, 2026
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