Updated Zorin last night, performance now completely destroyed

[Ponce-De-Leon]

Here is an Explanation for the 6.8 Kernel/Nvidia Driver Issue:

After update, display is really slow and screen is tearing

Thanks for the flag @zabadabadoo! We've investigated this issue and have found that specifically the upstream proprietary NVIDIA 545 driver package currently doesn't have a kernel module that's compatible with Linux 6.8 yet. We've found that most other versions of the NVIDIA driver package should nevertheless be compatible with the latest kernel update: 550 545 535 530 (auto-upgrades to version 535) 525 (auto-u…

Because the 550 Driver is a newer One could explain why it isn't listed. To install them do the Following:

1. Uninstall the existing Driver with the Terminal Command sudo apt remove nvidia* libnvidia*

2. Install the 550 Driver with the Command sudo apt install nvidia-driver-550
   You can find the Driver in the Repo's if You want check that before with apt list nvidia-driver-550