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Fix a TV that has soundbar that has no sound

We'll check volume, soundbar input, TV audio output, and connection—or tell you when to call a technician.

Troubleshooting · Home electronics
5–15 min
What you'll need
  • TV remote
  • Soundbar remote
  • HDMI or optical cable (depending on connection)
Step 1 of 11

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Choose the option that matches what you see. You can jump straight to that section.

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Steps

Goal: Confirm the symptom, check volume and input, then rule out TV output and connection.

Check volume and soundbar input

Goal: Rule out mute, low volume, and wrong soundbar input.

  • Press mute on both the TV and soundbar remotes to turn mute off. Raise volume on both.
  • Check the soundbar input—HDMI, optical, TV, or AUX—not Bluetooth or a different source. Use the soundbar remote or buttons.
  • Good: Volume up and correct input. Sound appears. Done.
  • Bad: Still no sound—proceed to Check TV output and connection.

Check TV output and connection

Goal: Confirm the TV sends audio to the soundbar and the connection is good.

  • Open TV Settings > Audio. Select HDMI ARC, optical, or external speaker—not TV speakers.
  • If HDMI: confirm the cable goes to the TV port labeled ARC. Enable HDMI-CEC on TV and soundbar.
  • If optical: unplug the cable at both ends and plug back in firmly.
  • Good: Output fixed or connection good. Sound appears. Done.
  • Bad: Still no sound—proceed to HDMI path or Optical path.

HDMI path

Goal: Confirm the HDMI ARC port and HDMI-CEC for HDMI-connected soundbars.

  • Check the soundbar HDMI cable goes to the TV port labeled ARC.
  • Enable HDMI-CEC in TV Settings. Enable it on the soundbar too.
  • Reseat the HDMI cable at both ends. Try a High Speed HDMI cable if the current one is old.
  • Good: ARC port and CEC enabled. Sound appears. Done.
  • Bad: Still no sound—proceed to Power-cycle.

Optical path

Goal: Confirm the optical cable is firmly seated.

  • Unplug the optical cable at both ends—TV and soundbar. Optical plugs use a red light; check that each end is fully seated.
  • Plug back in firmly. A loose optical connection drops audio.
  • Good: Cable reseated. Sound appears. Done.
  • Bad: Still no sound—proceed to Power-cycle.

Power-cycle

Goal: Reset the audio handshake between TV and soundbar.

  • Unplug the TV and the soundbar from power. Wait 30 seconds. Plug both back in. Turn on the soundbar first, then the TV.
  • Good: Power-cycle fixes the issue. Sound appears. Done.
  • Bad: Still no sound—call a technician.

When to get help

Call a TV or audio technician if:

  • You have checked volume, input, output settings, cables, and power-cycle and the soundbar still has no sound.

Verification

  • The soundbar plays sound from the TV (built-in apps, antenna, HDMI sources).
  • Volume is at a normal level on both TV and soundbar.
  • The soundbar is on the correct input (HDMI, optical, or TV).
  • The TV audio output is set to HDMI ARC or optical.
  • The HDMI or optical cable is firmly connected at both ends.

Escalation ladder

Work from the device outward. Stop when the problem is fixed.

  1. Volume and input Turn off mute; raise volume on TV and soundbar; check soundbar input.
  2. TV audio output Set TV to HDMI ARC or optical, not TV speakers.
  3. Connection HDMI—use ARC port, enable CEC. Optical—reseat cable.
  4. Power-cycle Unplug TV and soundbar for 30 seconds; plug back in.
  5. Call a pro No sound after all checks.

What to capture if you need help

Before calling support or posting for help, have these ready. It speeds everything up.

  • TV model
  • Soundbar model
  • Connection type (HDMI or optical)
  • Steps already tried

Does the TV show a picture but the soundbar has no sound?

Picture but no sound from soundbar is soundbar-specific. No picture is a different problem.

Turn on the TV and source. Check for picture. Picture, soundbar no sound: proceed to volume and input. No picture: see fix-tv-has-no-signal or fix-tv-will-not-turn-on.

Yes No

You can change your answer later.

Is volume up and soundbar on correct input?

Mute and wrong input are common causes.

Turn off mute on TV and soundbar. Raise volume on both. Check soundbar input—HDMI, optical, or TV—not Bluetooth. Volume up, correct input: check TV output. Wrong input: fix input, then test.

Yes No

You can change your answer later.

Adjust volume and input

Turn off mute. Raise volume on TV and soundbar. Set soundbar to HDMI, optical, or TV input. If sound appears, done. If not, check TV audio output.

Done

Is TV audio output set to external (HDMI ARC or optical)?

TV must send audio to the soundbar.

Open TV Settings > Audio. Select HDMI ARC, optical, or external speaker—not TV speakers. Correct: check connection type. Wrong: fix setting, then test.

Yes No

You can change your answer later.

Fix TV output and test

Select HDMI ARC or optical in TV Settings > Audio. If sound appears, done. If not, check connection (ARC port, cable, CEC).

Done

How is the soundbar connected?

HDMI and optical need different checks.

Check the cable from the soundbar to the TV. HDMI: proceed to ARC port and CEC. Optical: proceed to reseat optical cable.

HDMI Optical

You can change your answer later.

Is the soundbar on the TV ARC port and CEC enabled?

ARC only works on the designated port. CEC is often required.

Check the HDMI cable goes to the TV port labeled ARC. Enable HDMI-CEC on TV and soundbar. Reseat cable. Power-cycle TV and soundbar. Done: if sound appears. Still no sound: call a technician.

Yes No

You can change your answer later.

Fix HDMI connection

Move cable to TV port labeled ARC. Enable CEC on TV and soundbar. Set TV audio output to HDMI ARC. Power-cycle: unplug both for 30 seconds, plug back in. If sound appears, done. If not, call a technician.

Done

Reseat optical cable and power-cycle

Optical cables must be fully seated.

Unplug the optical cable at both ends. Plug back in firmly. Power-cycle TV and soundbar. If sound appears, done. If not, call a technician.

Done

Power-cycle and test

Unplug TV and soundbar for 30 seconds. Plug back in. Turn on soundbar first, then TV. If sound appears, done. If not, call a technician.

Done

Call a technician

No picture: see fix-tv-has-no-signal or fix-tv-will-not-turn-on. Picture but soundbar has no sound after all checks: call a TV or audio technician.

Done

Reviewed by Blackbox Atlas

Frequently asked questions

Why would a soundbar have no sound when connected to a TV?
Wrong soundbar input (e.g. Bluetooth instead of HDMI), TV audio output set to TV speakers instead of external, wrong HDMI port (must use ARC), CEC disabled, loose cable, or volume/mute on TV or soundbar.
Can I fix a soundbar with no sound myself?
Yes. Check volume, soundbar input, TV audio output, and connection. Most issues are input selection or settings related.
When should I call a technician for a soundbar with no sound?
If you have checked volume, input, output settings, cables, and power-cycle and the soundbar still has no sound. The soundbar or TV audio circuit may need repair.

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