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Original topic:

USB DAC Detection Issue on M70D Requires Re-plugging After Power On

(Topic created: Saturday)
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Alex46
Constellation
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Saturday (Last edited Saturday ) in 

Monitors and Memory

Model: Samsung Smart Monitor M7 (M70D)

Description: I am experiencing a persistent handshake issue with my USB DAC (KORG DS-DAC-10R) when connected to the M70D monitor.

The Constraints:

  1. No ARC Support: I am using a high-end legacy system that does not support HDMI ARC.

  2. No Optical Port: Since the M70D has removed the Optical output, USB is my only option for high-quality audio.

The Issue: When the monitor is in standby, the USB-A (SERVICE) port remains powered and the DAC stays on. However, when I turn the monitor back on, the Tizen OS fails to recognize the DAC. The audio output defaults back to the internal speakers. I have to physically unplug and re-plug the USB cable every single time to get it to work.

Request: Please address this in a future firmware update. The system should re-scan or remount active USB audio devices during the wake-up sequence, even if the device was never powered down during standby.

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LongHiker
Galactic Samsung Care Ambassador
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Saturday in 

Monitors and Memory

@Alex46 This is a user to user discussion area for Samsung US prducts and services. It is not a direct line to provide feedback to Samsung. 

For immediate assistance, one option is to use the Samsung Members app -> Support -> Send text. This will open up live troubleshooting.

Another option is to contact Samsung support via https://www.samsung.com/us/support/contact/

Lastly you can submit a bug report via the Samsung Members app -> Support -> Send feedback. 

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