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[GH-ISSUE #1309] Sound control not working M2 Pro Apple Silicon and DELL U3421WE #746

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opened 2026-05-05 06:37:42 -06:00 by gitea-mirror · 7 comments

gitea-mirror commented

2026-05-05 06:37:42 -06:00

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Originally created by @paunin on GitHub (Feb 7, 2023).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/1309

Before opening the issue, have you...?

Searched for existing issues
Looked through the wiki
Updated MonitorControl to the latest version (if applicable)

Describe the bug

Even sound pannel appears for change of the sound but Monitor does not react.
Worked ok with same monitor and intel chip

Steps to reproduce

Install
Try to change volume

Expected behavior

Sound is changing for monitor

Anything else?

Brightness works fine BTW

Environment Information (please complete the following information)

- macOS version: 13.2
- Mac model: Macbook M2 Pro
- MonitorControl version: 4.1.0
- Monitor(s): DELL U3421WE 
- Apple Silicon/M1 (yes or no): Apple M2 Max

Originally created by @paunin on GitHub (Feb 7, 2023). Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/1309 ### Before opening the issue, have you...? - [X] Searched for existing issues - [X] Looked through [the wiki](https://github.com/MonitorControl/MonitorControl/wiki) - [X] Updated MonitorControl to the latest version (if applicable) ### Describe the bug Even sound pannel appears for change of the sound but Monitor does not react. Worked ok with same monitor and intel chip ![image](https://user-images.githubusercontent.com/500074/217178238-15ebb559-ac81-4af9-b231-47c975f02539.png) ![image](https://user-images.githubusercontent.com/500074/217178259-3db6cd01-eb6d-4119-b407-2c3b68f23d88.png) ![image](https://user-images.githubusercontent.com/500074/217178538-6c8363c3-a547-4eaf-a7b2-3e737e85f6ba.png) ![image](https://user-images.githubusercontent.com/500074/217179344-0dfe393a-ed50-4e05-aa75-d720ee64ade5.png) ![image](https://user-images.githubusercontent.com/500074/217179334-36402ebf-b2e6-4764-81da-ed414025e2c5.png) ### Steps to reproduce 1. Install 2. Try to change volume ### Expected behavior Sound is changing for monitor ### Anything else? Brightness works fine BTW ### Environment Information (please complete the following information) ```markdown - macOS version: 13.2 - Mac model: Macbook M2 Pro - MonitorControl version: 4.1.0 - Monitor(s): DELL U3421WE - Apple Silicon/M1 (yes or no): Apple M2 Max ```

gitea-mirror closed this issue

2026-05-05 06:37:44 -06:00

gitea-mirror commented

2026-05-05 06:37:47 -06:00

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@miszterx commented on GitHub (Feb 7, 2023):

Same issue with me.

@miszterx commented on GitHub (Feb 7, 2023): Same issue with me.

gitea-mirror commented

2026-05-05 06:37:49 -06:00

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@subodhpareek18 commented on GitHub (Feb 7, 2023):

I'm using an LG IPS Display with Apple M1 Pro on MacOS 13.1, having the same issue

@subodhpareek18 commented on GitHub (Feb 7, 2023): I'm using an LG IPS Display with Apple M1 Pro on MacOS 13.1, having the same issue

gitea-mirror commented

2026-05-05 06:37:50 -06:00

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@waydabber commented on GitHub (Feb 7, 2023):

DDC generally does not work on M2 Pro systems with MonitorControl right now. This will be fixed in the future.

@waydabber commented on GitHub (Feb 7, 2023): DDC generally does not work on M2 Pro systems with MonitorControl right now. This will be fixed in the future.

gitea-mirror commented

2026-05-05 06:37:52 -06:00

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@paunin commented on GitHub (Feb 7, 2023):

@waydabber not really nice, dude. You are redirecting to a paid software (which I believe is good) for a simple, and I think, core feature... 🫠

@paunin commented on GitHub (Feb 7, 2023): @waydabber not really nice, dude. You are redirecting to a paid software (which I believe is good) for a simple, and I think, core feature... 🫠

gitea-mirror commented

2026-05-05 06:37:53 -06:00

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@waydabber commented on GitHub (Feb 8, 2023):

You are right of course, sorry about that, removed it from the thread above. It's just that the "not supported on M2 Pro" issue pops up in various iterations and to me it feels bad just closing them (because of duplication) and not pointing ppl to somewhere - and currently I have no knowledge of any open source alternative. Plus all the DDC feature in BetterDisplay is totally free and not limited in any way. I plan to add these features to MC as well eventually, but of course anybody else in the community is open to work on it for the open source cause (it might actually be healthy for somebody else to give this issue some time and thought and take credit for it) - I or the other maintainers will not stand in the way of any PR regarding this! :)

@waydabber commented on GitHub (Feb 8, 2023): You are right of course, sorry about that, removed it from the thread above. It's just that the "not supported on M2 Pro" issue pops up in various iterations and to me it feels bad just closing them (because of duplication) and not pointing ppl to somewhere - and currently I have no knowledge of any open source alternative. Plus all the DDC feature in BetterDisplay is totally free and not limited in any way. I plan to add these features to MC as well eventually, but of course anybody else in the community is open to work on it for the open source cause (it might actually be healthy for somebody else to give this issue some time and thought and take credit for it) - I or the other maintainers will not stand in the way of any PR regarding this! :)

gitea-mirror commented

2026-05-05 06:37:56 -06:00

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@dellhem commented on GitHub (Mar 19, 2023):

Is there an open issue about this that I can follow? I prefer the simplicity of MC over BD :)

@dellhem commented on GitHub (Mar 19, 2023): Is there an open issue about this that I can follow? I prefer the simplicity of MC over BD :)

gitea-mirror commented

2026-05-05 06:37:58 -06:00

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@waydabber commented on GitHub (Mar 19, 2023):

Sure: https://github.com/MonitorControl/MonitorControl/issues/1301

@waydabber commented on GitHub (Mar 19, 2023): Sure: https://github.com/MonitorControl/MonitorControl/issues/1301

gitea-mirror referenced this issue

2026-05-05 07:07:26 -06:00

[PR #746] [MERGED] Fixed note wraps, bumped version number to 4.0.1 #1199