After updating to Sequoia 15.5 my HDMI monitor has also stopped working.
My setup:
3 Dell P2722H
1 Dell Universal UD22 Dock
1 Apple M4 Max Sequoia 15.5
2 P2722H are connected to the dock using DisplayPort
1 P2722H is connected to the dock using HDMI
The dock is plugged into the Mac using USB-C.
I've tried the DisplayLink cleaner and re-install, reboot, etc. Currently running DisplayLinkv1.12.3
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