hdmi-no-audio Troubleshooting

HDMI no audio on the Hisense 75U7DSE Fernseher 75 Zoll, 4K UHD, Hi-QLED Mini LED, Smart TV, 144Hz, Hi-View AI Engine, IMAX Enhanced, AI Lichtsensor, Dolby Vision.Atmos, Tuned by DeVialet, FreeSync Premium Pro [2026]

Source: Hisense support — TV troubleshooting Confidence: 80% Verified Aug 9, 2026

The TV shows video over HDMI but no audio, often due to an audio output setting.

How to fix HDMI no audio

Check the audio output

Ensure the TV audio output is set to the correct source.

Source: Hisense support — TV troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Check the source device

Ensure the source device is outputting audio over HDMI.

Source: Hisense support — TV troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Replacement parts for the Hisense 75U7DSE Fernseher 75 Zoll, 4K UHD, Hi-QLED Mini LED, Smart TV, 144Hz, Hi-View AI Engine, IMAX Enhanced, AI Lichtsensor, Dolby Vision.Atmos, Tuned by DeVialet, FreeSync Premium Pro [2026]

Hisense 75U7DSE Remote Control Hisense 75U7DSE Stand Hisense 75U7DSE Power Cable Hisense 75U7DSE Wall Mount Hisense 75U7DSE HDMI Cable

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