Why is my optical output not working?

Make sure the home theater or stereo system is set to the appropriate input and mode for the optical connection. Make sure the optical cable is firmly connected to both the TV and the home theater or stereo system. Try changing the channel on the TV to another digital broadcast.

Why is there no sound coming out of my LG TV?

Check if the audio connector is secure at both the external source and the TV. Check if the TV volume is set to the correct level and not muted. If the external source, such as a cable or satellite box has a volume control, check if the setting is muted or set at a low volume.

How do I get my TV to play sound through my optical cable?

How to: Hook Up Your Soundbar With An Optical Cable

How do I control my LG TV with optical audio?

Press and hold [Settings] button from the TV remote control and select [Audio]. Then from [Sound Out] menu, select [LG Sound Sync (Optical)].

How do I turn on the optical output on my LG TV?


  1. On your TV, press the home key > Settings > Advanced.
  2. Click Sound > Sound Out > Optical.

How do I get audio from HDMI to optical?

An HDMI to Optical converter is a device that allows you to connect your HDMI-enabled device to an older analog display. The converter will convert the digital video and audio signals from the HDMI cable into an analog signal that can be sent through an older analog-based source.

Why is LG HDMI ARC not working?

Usually, HDMI ARC doesn’t work because of improper settings on either the input device, the output device, or the television itself.

How do I get my LG TV to play sound through my speakers?

Locate “settings” using your magic remote control and navigate your way to “all settings”. Then locate “sound” from the menu provided. Select “sound out” and choose the “use TV speaker”. This will automatically programme your TV to connect audio through its internal speakers.

How do I change the audio output on my LG TV?

1. on the remote control and select Settings > SOUND > Sound Out, then press Wheel or Enter. 2. Depending on the method of connection for external audio, this will be either: Optical Digital Audio Output (Optical cable) or HDMI/ARC (HDMI cable).

Is it better to use HDMI or optical for audio?

The biggest difference is that HDMI can pass higher-resolution audio, including the formats found on Blu-ray: Dolby TrueHD and DTS HD Master Audio. These formats can’t get transmitted across optical. In terms of simplicity, HDMI also passes video signals.

How do I enable optical audio?

Once the optical cable is plugged in, click the speaker icon at the bottom-right corner of your Windows taskbar, then click the speaker name above the volume slider to see if an “Optical” or “Digital” sound output has shown up. If it has, just click to enable it.

Why is there no sound coming out of my soundbar?

When there is no sound from the soundbar, make sure the connected devices are turned on, the soundbar is set to the correct source, and the cable is connected properly.

How do I connect my optical cable to my LG Smart TV?

Connect Optical Soundbar *New LG TV

Which audio format is supported by LG TV?

Video Codecs Chart

.mkvVideoMPEG-2, MPEG-4, H.264/AVC, VP8, VP9, HEVC
AudioDolby Digital, PCM, DTS, MPEG-1 Layer I, II, MPEG-1 Layer III (MP3), AAC
. ts . trp . tp . mtsVideoH.264/AVC, MPEG-2, HEVC
AudioMPEG-1 Layer I, II, MPEG-1 Layer III (MP3), Dolby Digital, Dolby Digital Plus, AAC, PCM

Can you control soundbar through optical?

As long as your soundbar is connected to your TV with either an optical cable or HDMI via ARC, you can control the volume and mute the soundbar using your Samsung TV’s remote.

How do I control optical audio with my TV remote?

How to Control a Soundbar With a TV Remote

  1. Find the optical or HDMI ARC connection on both the soundbar and TV.
  2. Connect an optical or HDMI cable to each.
  3. Turn the TV and soundbar on.
  4. Test and Troubleshoot Any Connection Issues.
  5. Adjust and Optimize Your Sound.

Can you use an optical cable instead of HDMI?

The Bottom Line: Most Blu-ray, game consoles, and similar devices do allow for HDMI cables. However, Digital Optical cables can provide sound that is equally as good if your device does not allow for HDMI use.

Can I use both HDMI and optical?

A lot of TVs will not let you connect both HDMI and optical cables at the same time, even if they have both of these ports available. In case you do connect both cables, they will automatically switch to the one you inserted last.

Can I use optical instead of HDMI ARC?

HDMI ARC and optical cables both share the same purpose.

The only significant difference in terms of function is that an optical cable won’t transmit video. But this shouldn’t be an issue, since you’ve already got video on your HD television.

What is PCM audio on TV?

PCM: This stands for “pulse-code modulation.” Use this setting if the external device you’ve connected to the HDMI port has already processed the sound, and you just want it to come out of your TV’s speakers. Note: This changes the signal to 2.0 PCM as it passes through the TV.

How do I select HDMI ARC on my LG TV?

Note: SIMPLINK must be turned on using the HDMI CEC steps before you can use HDMI ARC.

  1. Go to the settings menu. Press and hold the Settings button on your LG remote for 5 seconds.
  2. Select All Settings.
  3. Select Sound.
  4. Select Sound Out.
  5. Select Audio Out (Optical/HDMI ARC).
  6. Set Digital Sound Out to Auto.

Does ARC work with all HDMI inputs?

To connect your TV with an ARC enabled speaker, make sure that you are using an HDMI cable 1.4 or higher. The HDMI-ARC functionality is only available through the specific port on the TV or One Connect Box, and the external speakers need to be compatible.

What is LG sound Sync Optical?

Sound Sync allows your compatible LG devices to communicate via Bluetooth or Digital Optical connections. Devices connected using Sound Sync will have the ability to be controlled by one remote. Both the TV and the home theater must be LG products and must both support Sound Sync.

How do I change the audio output on my TV?

Go into the Sound or Speakers menu of the TV, and select External Speakers or Audio System. Some TVs require that the internal speakers be turned off before outputting the audio signal to another device.

How do I get sound from my TV to external speakers?

How do I get sound from my TV to external speakers?

  1. Using the HDMI cable, connect the HDMI IN (ARC or eARC) port on the TV and the HDMI OUT (ARC or eARC) port on the audio device.
  2. Using the optical digital audio cable, connect the Optical Digital OUT port on the TV and the Optical Digital IN port on the audio device.
  3. Turn on the TV.
  4. Set Speakers to Audio system.

How do I enable different audio output?

If you want to select the audio output for specific software, follow these steps:

  1. Right-click the “Audio” icon in the system tray.
  2. Select the “Open Sound Settings” option.
  3. Tap the “App Volume and Device Setting” option.
  4. Click the “Output” drop-down menu to select the connected playback device.

Why is my audio output not showing up?

Check to make sure your audio devices aren’t muted and haven’t been disabled. Select and hold (or right-click) the Speakers icon on the taskbar, and then select Open Volume mixer. Note: If you don’t see Speakers displayed, it may be in the overflow area. Select Show hidden icons to check there.

How do I enable my optical port?

Once the optical cable is plugged in, click the speaker icon at the bottom-right corner of your Windows taskbar, then click the speaker name above the volume slider to see if an “Optical” or “Digital” sound output has shown up. If it has, just click to enable it.

Why is my output device not showing?

As mentioned, the “no audio output device is installed in Windows 10” error happens due to a corrupted or outdated driver. Therefore, the best way to fix this error is to update your sound drivers. You can update drivers manually, but it can be somewhat a daunting task.

How do I fix my output device is not working?

Method 1: Use Windows 10’s audio troubleshooter

  1. Right-click on the volume icon in your system tray, then click on “Troubleshoot sound problems”.
  2. Wait for the troubleshooter to detect issues. If anything is identified, you’ll be able to fix it with the click of a button.
  3. Test if your audio works now.