UE5 Graphical glitches

Hi, am hoping someone in this community can help. I seem to be very strange graphical glitches inside the city sample with textures appearing ang disappearing through geometry. I also see a black square on the side of the viewport and in any drop down menu.

Not sure if this has anything to do with it but I tried to enable Nvidia GeForce experience (using Alt-Z) and adjust the performance settings. I only see this glitch inside of Unreal Engine and no other program. I am using a RTX 4060, while low end was running the city sample just fine before. I get this issue in all scalability settings.

I have tried updating and re-installing the latest nvidia studio driver to no avail and the latest game driver is the same. Has anyone had anything similar or know how I might troubleshoot this?

Any help welcome thank you