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November 28th, 2022 01:00

S2722DZ, disable built-in speakers while using Audio line-out?

Hello community,

I have an issue with my S2722DZ monitor. I have connected my external speakers to the Audio line-out 3.5mm port and the speakers are working. But, the built-in speakers are still playing and that's really annoying. In the OSD menu I didn't find an option to disable them. A firmware upgrade didn't help either. I can't connect the external speakers to my PC, as I have two PC and don't want to switch the cable every time. With my former LG Monitor that setup was working flawlessly. I hope we can sort this issue out, otherwise I have to return the S2722DZ and stay with my LG.

Best regards

Community Manager

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54.3K Posts

November 28th, 2022 06:00

The online S2722DZ User's Guide page 48 shows Menu--> Audio & Webcam--> Speaker --> Mute or Unmute. Did you try changing that to Mute?

2 Posts

August 28th, 2023 10:17

The latest firmware update M3T104 (released on August 18, 2023) fixed the issue!

(edited)

1 Message

December 3rd, 2022 15:00

Hello,

same issue here. Tried both, mute speaker and it also mute audio line out. Also tried set voluem to 0. Also this one mute both, speaker and line out.

2 Posts

December 5th, 2022 10:00

Hello, I'm facing exactly the same issue but I can provide more details, as I recently bought this screen twice: once for the office and once for home.

When I received the first screen, everything was working well (I was able to disable the internal speakers and have sound from the line out jack). Then I did the firmware update to follow Dell's recommendations (from M3T101 to M3T103) and I can confirm that the update introduced this issue.

When I received the 2nd screen, I did not update the firmware, and so I'm still able to disable the internal speakers without muting the line out jack port.

To fix the issue on the 1st screen, I tried to find a way to downgrade the firmware to the original version, but I could not find the file on the internet, so I'm stuck. Fortunately I don't use audio line out at work. Maybe Dell can provide this file? Or maybe I can extract it from the 2nd screen?

For those who didn't upgrade the firmware, here is how you can use the line out port and disable built-in speakers =

- On Windows go to the sound settings and select "Echo Cancelling Speakerphone" as audio output device, then turn the volume down to 0. This will disable internal speakers

- Then change audio output device: choose "DELL S2722DZ" instead of "Echo Cancelling Speakerphone". This will allow you to use only the line out port and adjust the volume from Windows

- To have a good sound quality, go into "DELL S2722DZ" output sound device settings and disable "Audio enhancements" (switch from "Device effects" to "off")

I hope this will help you, and I hope Dell will publish a firmware update to fix this issue, or allow us to downgrade the firmware by providing us the M3T101 file. 

(edited)

isGoodTroubleshooting

Community Manager

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54.3K Posts

December 5th, 2022 10:00

Like you, all we can do is check the S2722DZ drivers page. M3T101 was never made available. As to how to extract it from the other monitor, I have no idea?

March 12th, 2023 22:00

thanks so much @lmichelin for your post - I was thinking that I've gone crazy, but no - it all makes sense now. unfortunately, i only have the one monitor and it's such a pain in the back to use it now with both internal speakers and the line-out no longer being separate.

(edited)

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