USB to DP External Monitor No longer working after update

I’m running Endeavors on my 2020 imac and everything has been smooth until I updated. I updated the version to support OBS and now my external monitor is no longer recognized. I’ve tried a few things but am lost and not sure how to get it working again. It used to connect on boot but I no longer see the monitor at all when running xrandr.

I don’t know what you mean by this?

I just had run sudo pacman -Syu for some obs drivers it’s not relevant to the issue just the reason that I updated

Okay … You just updated then. Did you check what updates it performed in /var/log/pacman.log
You should be able to see the date and time when you did the updates and what packages were installed. That may give you an idea what might be the culprit.

It’s working after I installed linux-firmware. It must’ve gotten removed