no-power Troubleshooting

Won't power on on the Hisense 55U7DS PRO Fernseher 55 Zoll, 4K UHD, Hi-QLED Mini LED Pro, Smart TV, 165Hz, Hi-View AI Engine Pro, IMAX Enhanced, AI RGB Lichtsensor, Dolby Vision Atmos, Unibody Slim, FreeSync Premium, 2026

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

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