I had to revert back to 515.65 via GRUB history or something on 22.10 because all I'm seeing is black screen. I originally stumbled onto this exact issue with KDE Neon Unstable 22.04.
It appears that it affects both nvidia-driver-515 & nvidia-driver-515-open 515.76 metapackages because I tried to put it to closed source 515 on Neon 22.04, to no avail.
ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: nvidia-driver-515-open 515.65.01-0ubuntu3
ProcVersionSignature: Ubuntu 5.19.0-21.21-generic 5.19.7
Uname: Linux 5.19.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: Unity:Unity7:ubuntu
Date: Sun Oct 16 04:13:38 2022
InstallationDate: Installed on 2022-02-06 (251 days ago)
InstallationMedia: Ubuntu Unity 22.04
SourcePackage: nvidia-graphics-drivers-515
UpgradeStatus: No upgrade log present (probably fresh install)
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
DistroRelease: KDE neon 22.04
InstallationDate: Installed on 2022-02-19 (239 days ago)
InstallationMedia: neon developer "Focal" - Build amd64 LIVE Binary 20220207-19:29
Package: nvidia-driver-515 515.76-0ubuntu0.22.04.1 [origin: Ubuntu]
PackageArchitecture: amd64
Tags: jammy third-party-packages
Uname: Linux 5.19.15-xanmod1 x86_64
UnreportableReason: This does not seem to be an official KDE package. Please retry after updating the indexes of available packages, if that does not work then remove related third party packages and try again.
UpgradeStatus: Upgraded to jammy on 2022-05-05 (163 days ago)
UserGroups: sudo
_MarkForUpload: True
apport information