[GH-ISSUE #942] DDC Volume doesn't work on Samsung Display M7 #579

New issue

Closed

opened 2026-05-05 06:17:05 -06:00 by gitea-mirror · 1 comment

gitea-mirror commented

2026-05-05 06:17:05 -06:00

Owner

Originally created by @jeansevilla on GitHub (Feb 11, 2022).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/942

Before opening the issue, have you...?

Searched for existing issues
Read through the Monitor-Troubleshooting Wiki
Updated MonitorControl to the latest version (if applicable)

Describe the issue

I can't control the volume of the monitor Samsung M7 4K UHD Smart Monitor

Expected behavior

its a new monitor and also I use USB C to connect to the monitor, but I can't control the volume

Anything else?

No response

Environment Information (please complete the following information)

- macOS version:
macOS Monterey 12.2.1
- Mac model:
MacBook Pro (16", 2021)
- MonitorControl version:
Versione 4.0.2 Build 6965
- Monitor(s):
Samsung M7 Monitor 
- Monitor Cable(s)/Connection(s):
MacBook Pro -> Usb type C -> Samsung M7 4K UHD Smart Monitor
- Apple Silicon/M1 (yes or no):
Yes

Originally created by @jeansevilla on GitHub (Feb 11, 2022). Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/942 ### Before opening the issue, have you...? - [X] Searched for existing issues - [X] Read through [the Monitor-Troubleshooting Wiki](https://github.com/MonitorControl/MonitorControl/wiki/Monitor-Troubleshooting) - [X] Updated MonitorControl to the latest version (if applicable) ### Describe the issue I can't control the volume of the monitor Samsung M7 4K UHD Smart Monitor ### Expected behavior its a new monitor and also I use USB C to connect to the monitor, but I can't control the volume ### Anything else? _No response_ ### Environment Information (please complete the following information) ```markdown - macOS version: macOS Monterey 12.2.1 - Mac model: MacBook Pro (16", 2021) - MonitorControl version: Versione 4.0.2 Build 6965 - Monitor(s): Samsung M7 Monitor - Monitor Cable(s)/Connection(s): MacBook Pro -> Usb type C -> Samsung M7 4K UHD Smart Monitor - Apple Silicon/M1 (yes or no): Yes ```

gitea-mirror closed this issue

2026-05-05 06:17:07 -06:00

gitea-mirror commented

2026-05-05 06:17:10 -06:00

Author

Owner

@waydabber commented on GitHub (Feb 14, 2022):

Does DDC brightness control work? If so then it is probably a display firmware issue if that does not work either then it might be something else. You could try alternate apps like m1ddc or Lunar and see if those can control the volume. If not, then probably there is nothing to do about it.

@waydabber commented on GitHub (Feb 14, 2022): Does DDC brightness control work? If so then it is probably a display firmware issue if that does not work either then it might be something else. You could try alternate apps like m1ddc or Lunar and see if those can control the volume. If not, then probably there is nothing to do about it.