no-power Troubleshooting

Won't power on on the TCL 55C7K QD-Mini LED Fernseher, 55 Zoll, 4K HDR Premium, Dolby Vision IQ & Atmos, Bang & Olufsen Sound, Smart TV mit Google TV, 144Hz, HDMI 2.1, AMD FreeSync Premium Pro, AirPlay 2, Google Assistant

Source: Samsung TV support — no signal / HDMI Confidence: 85% Verified Aug 9, 2026

The soundbar does not turn on, often from a faulty power supply or a blown fuse.

How to fix Won't power on

Check the power connection

Verify the power cord is fully seated and the outlet works. Try another outlet.

Source: Samsung TV support — no signal / HDMI Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Power reset

Unplug the TV for 60 seconds, plug back in, and try powering on.

Source: Samsung TV support — no signal / HDMI Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Replacement parts for the TCL 55C7K QD-Mini LED Fernseher, 55 Zoll, 4K HDR Premium, Dolby Vision IQ & Atmos, Bang & Olufsen Sound, Smart TV mit Google TV, 144Hz, HDMI 2.1, AMD FreeSync Premium Pro, AirPlay 2, Google Assistant

TCL 55C7K Remote Control TCL 55C7K Stand TCL 55C7K Power Cable TCL 55C7K Wall Mount TCL 55C7K HDMI Cable

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