Updated Zorin 16 Base, External Monitor No Longer Detected

[FrenchPress]

@mpwoodward

but I just updated the Zorin OS base today, and now it will no longer see the external monitor over HDMI.

Hello and welcome to the forum

Did you try switching to Nouveau instead of Nvidia driver? It solved my 2nd monitor not detected problem today.

You can also try this solution:

Zorin OS Update After Sept 6 '21 kernel 5.11.0-34 Black Screen

Approx. after Sept. 6th 2021, if you updated your copy of Zorin OS 16 and got the 5.11.0-34 kernel, you may experience black screen on logging in. This may primarily affect Nvidia users. Solution: Boot into the Recovery Menu by tapping or holding the left shift key at boot. From Advanced Options for Zorin, select to boot from the working 5.11.0-27 Kernel. NOTE: Getting reports that initially, updating the Graphics drivers allows the 5.11.0-34 kernel to work - but then it crashes later. The…