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[GH-ISSUE #61] MonitorControl doesn't work with my monitor #60
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Reference: github-starred/MonitorControl#60
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Originally created by @davidmurr on GitHub (Feb 18, 2019).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/61
The brightness control (both via keyboard and menu) functions as expected, but the adjusting the audio control, either via keyboard or menu, does not actually alter the volume level output by the monitor. Is this monitor not supported by the library that Monitor Control uses?
MacBook Pro 13" mid-2014
macOS 10.14.2
Dell U3415W connected via DisplayPort
@bitraft commented on GitHub (Feb 22, 2019):
Dell U3219Q also not work
@emdPL commented on GitHub (Feb 24, 2019):
Same here :( Dell P2715Q.
macOS 10.14.3
btw. Keep going. Great simple app!
@emdPL commented on GitHub (Feb 24, 2019):
AMCoreAudio lib issue.
AMCoreAudio Demo App -> Inspect Device: Display Port -> Output: Channel 1 / 2 volume: N/A :(
@m9tdev commented on GitHub (Feb 25, 2019):
Same here.
Dell U3415W over HDMI on macOS 10.14.3
@mlauria93 commented on GitHub (Mar 18, 2019):
Same problem, but even the brightness FKs are not working.
MacBook Pro 2017
LG 32UD99-W connected via Type C
@Fourthbus commented on GitHub (Mar 25, 2019):
same here,
Macbook Pro 2017
Dell P2415Q
@JoniVR commented on GitHub (May 8, 2019):
This is not the problem,
AMCoreAudiois only used to detect a difference between system sound and monitor sound being the default and then allowing you to set the correct one automatically.It all depends on how well your monitor supports the DDC standard. [more info]
@maarten00 commented on GitHub (May 22, 2019):
Same issue here on Dell U2719D over DP (using this adapter) on a MBP 2017
Brightness is working fine.
@the0neyouseek commented on GitHub (May 23, 2019):
Hi everyone,
The app uses DDC to control your monitor(s) and a lot of them does not implement (well) this standard resulting in the inability to control brightness or volume, or to read the current values of this settings for example.
You can check if your monitor is compatible with ddcctl by verifying if you can control volume/brightness with it before opening an issue.
@JoniVR commented on GitHub (May 23, 2019):
Also, there's a list from another Github repo with some known monitors.
http://www.ddcutil.com/monitor_notes/
@JoniVR commented on GitHub (Feb 25, 2020):
For anyone who runs into this issue in the future, Here's a wiki page with some troubleshooting info:
https://github.com/the0neyouseek/MonitorControl/wiki/Monitor-Troubleshooting
@waydabber commented on GitHub (Aug 20, 2021):
I updated the wiki entry with some info on Apple Silicon.
@waydabber commented on GitHub (Aug 25, 2021):
I'll close this issue. It was pinned for educational purposes, but the new issue templates already contain the required information so there is no need to have this open.
If there is any issue with the new v3.0.0 release (or above) and the wiki does not help, a display specific issue can be opened. Thank you!