Solved!
Go to SolutionU4021QW, macOS DDPM 1.0.2.0017 not working
After updating DDPM to the latest version, it no longer detects my monitor. My monitor is running the latest available firmware M2T104. It is connected via USB-C to a MacBook Pro 16 M1 Pro and it was working fine with DDPM until this update DDC/CI is enabled.
All the links to an older version of DDPM are gone from the Dell.com website so I can't rollback. Does anyone have a link to an older version until these bugs are fixed?
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Posted October 14th, 2022 11:00
Same here. It says me to enable DDC/CI, check the cable or install the supported firmware. What the heck, Dell?
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Posted October 14th, 2022 11:00
Thank you! This worked. Saving to some safe place, until Dell have the DDPM fixed.
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Posted October 14th, 2022 11:00
@staninprague I managed to find a version of the older DDM not DDPM that is still available and works on U4021QW, you can find the link bellow
https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=xf7tx&lwp=rt514
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Posted October 16th, 2022 23:00
Same issue here... and still no solution from Dell...
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Posted October 17th, 2022 09:00
Same issue here, I was forced to downgrade to keep it working.
Dell support said I should contract Apple, but it clearly works when I downgrade....
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Posted October 17th, 2022 23:00
Thank you very much for that, I was also looking for another version of that DDM release. I installed it, started it and tried to start DDPM in parallel. This looks like it solved the issue of DDPM for now. After I closed both again DPM and DDPM, deleted DPM again. performed a reboot and started just DDPM, it worked as well.
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Posted November 1st, 2022 01:00
I confirm the new version works. If you have uninstalled DDPM or you can't open that tab because DDPM doesn't detect the monitor (like @DELL-Chris M specified) download version 1.0.2.19 directly following this link:
https://www.delldisplaymanagermac.com/DDPM/DDPMv1.0.2.0019.zip148
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Posted November 2nd, 2022 05:00
Thanks!
The macOS DDPM 1.0.2.0019 has now been uploaded to the U4021QW drivers page.
DELL-Chris M (old account)
#IWork4Dell
DELL-Chris M
Community Manager
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Posted October 31st, 2022 06:00
Open the macOS DDPM 1.0.2.0017 --> Settings --> Updates tab. Allow it to update to the October 28, 2022 released macOS DDPM 1.0.2.0019. Restart the Apple PC when done. Then retest.
DELL-Chris M (old account)
#IWork4Dell