Was away for a week and today things break again after `apt update && apt upgrade` ! $ dpkg -l | grep -i nvidia ii libaccinj64-11.8:amd64 11.8.87~11.8.0-3 amd64 NVIDIA ACCINJ Library (64-bit) ii libcu++-dev 1.8.1-2 all NVIDIA C++ Standard Library ii libcublas11:amd64 11.11.3.6~11.8.0-3 amd64 NVIDIA cuBLAS Library ii libcublaslt11:amd64 11.11.3.6~11.8.0-3 amd64 NVIDIA cuBLASLt Library ii libcudart11.0:amd64 11.8.89~11.8.0-3 amd64 NVIDIA CUDA Runtime Library ii libcufft10:amd64 11.1.1+~10.9.0.58~11.8.0-3 amd64 NVIDIA cuFFT Library ii libcufftw10:amd64 11.1.1+~10.9.0.58~11.8.0-3 amd64 NVIDIA cuFFTW Library ii libcuinj64-11.8:amd64 11.8.87~11.8.0-3 amd64 NVIDIA CUINJ Library (64-bit) ii libcupti-dev:amd64 11.8.87~11.8.0-3 amd64 NVIDIA CUDA Profiler Tools Interface development files ii libcupti-doc 11.8.87~11.8.0-3 all NVIDIA CUDA Profiler Tools Interface documentation ii libcupti11.8:amd64 11.8.87~11.8.0-3 amd64 NVIDIA CUDA Profiler Tools Interface runtime library ii libcurand10:amd64 11.1.1+~10.3.0.86~11.8.0-3 amd64 NVIDIA cuRAND Library ii libcusolver11:amd64 11.4.1.48~11.8.0-3 amd64 NVIDIA cuSOLVER Library ii libcusolvermg11:amd64 11.4.1.48~11.8.0-3 amd64 NVIDIA cuSOLVERmg Library ii libcusparse11:amd64 11.7.5.86~11.8.0-3 amd64 NVIDIA cuSPARSE Library ii libnppc11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives core runtime library ii libnppial11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Arithmetic and Logic ii libnppicc11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Color Conversion ii libnppidei11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Data Exchange and Initialization ii libnppif11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Filters ii libnppig11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Geometry transforms ii libnppim11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Morphological operations ii libnppist11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Statistics ii libnppisu11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Support ii libnppitc11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives lib for Image Threshold and Compare ii libnpps11:amd64 11.8.0.86~11.8.0-3 amd64 NVIDIA Performance Primitives for signal processing runtime library ii libnvidia-cfg1-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA binary OpenGL/GLX configuration library ii libnvidia-common-535 535.54.03-0ubuntu0.23.04.2 all Shared files used by the NVIDIA libraries ii libnvidia-compute-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA libcompute package ii libnvidia-decode-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA Video Decoding runtime libraries ii libnvidia-encode-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVENC Video Encoding runtime library ii libnvidia-extra-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 Extra libraries for the NVIDIA driver ii libnvidia-fbc1-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA OpenGL-based Framebuffer Capture runtime library ii libnvidia-gl-535:amd64 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD ii libnvidia-ml-dev:amd64 11.8.86~11.8.0-3 amd64 NVIDIA Management Library (NVML) development files ii libnvjpeg11:amd64 11.9.0.86~11.8.0-3 amd64 NVIDIA JPEG library (nvJPEG) ii libnvrtc-builtins11.8:amd64 11.8.89~11.8.0-3 amd64 CUDA Runtime Compilation (NVIDIA NVRTC Builtins Library) ii libnvrtc11.2:amd64 11.8.89~11.8.0-3 amd64 CUDA Runtime Compilation (NVIDIA NVRTC Library) ii libnvtoolsext1:amd64 11.8.86~11.8.0-3 amd64 NVIDIA Tools Extension Library ii libnvvm4:amd64 11.8.89~11.8.0-3 amd64 NVIDIA NVVM Library ii linux-modules-nvidia-535-6.2.0-24-generic 6.2.0-24.24+2 amd64 Linux kernel nvidia modules for version 6.2.0-24 ii linux-modules-nvidia-535-generic 6.2.0-24.24+2 amd64 Extra drivers for nvidia-535 for the generic flavour ii linux-objects-nvidia-535-6.2.0-24-generic 6.2.0-24.24+2 amd64 Linux kernel nvidia modules for version 6.2.0-24 (objects) ii linux-objects-nvidia-535-open-6.2.0-24-generic 6.2.0-24.24+2 amd64 Linux kernel nvidia modules for version 6.2.0-24 (objects) ii linux-signatures-nvidia-6.2.0-23-generic 6.2.0-23.23 amd64 Linux kernel signatures for nvidia modules for version 6.2.0-23-generic ii linux-signatures-nvidia-6.2.0-24-generic 6.2.0-24.24+2 amd64 Linux kernel signatures for nvidia modules for version 6.2.0-24-generic ii nsight-compute 2022.3.0.22~11.8.0-3 amd64 NVIDIA Nsight Compute ii nsight-compute-target:amd64 2022.3.0.22~11.8.0-3 amd64 NVIDIA Nsight Compute (target specific libraries) ii nsight-systems 2022.4.2.1~11.8.0-3 amd64 NVIDIA Nsight Systems ii nsight-systems-target:amd64 2022.4.2.1~11.8.0-3 amd64 NVIDIA Nsight Systems (target specific libraries) ii nvidia-compute-utils-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA compute utilities ii nvidia-cuda-dev:amd64 11.8.89~11.8.0-3 amd64 NVIDIA CUDA development files ii nvidia-cuda-gdb 11.8.86~11.8.0-3 amd64 NVIDIA CUDA Debugger (GDB) ii nvidia-cuda-toolkit 11.8.89~11.8.0-3 amd64 NVIDIA CUDA development toolkit ii nvidia-cuda-toolkit-doc 11.8.0-3 all NVIDIA CUDA and OpenCL documentation ii nvidia-dkms-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA DKMS package ii nvidia-driver-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA driver metapackage ii nvidia-firmware-535-535.54.03 535.54.03-0ubuntu0.23.04.2 amd64 Firmware files used by the kernel module ii nvidia-kernel-common-535 535.54.03-0ubuntu0.23.04.2 amd64 Shared files used with the kernel module ii nvidia-kernel-source-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA kernel source package ii nvidia-opencl-dev:amd64 11.8.89~11.8.0-3 amd64 NVIDIA OpenCL development files ii nvidia-prime 0.8.17.1 all Tools to enable NVIDIA's Prime ii nvidia-profiler 11.8.87~11.8.0-3 amd64 NVIDIA Profiler for CUDA and OpenCL ii nvidia-settings 510.47.03-0ubuntu1 amd64 Tool for configuring the NVIDIA graphics driver ii nvidia-utils-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA driver support binaries ii nvidia-visual-profiler 11.8.87~11.8.0-3 amd64 NVIDIA Visual Profiler for CUDA and OpenCL ii screen-resolution-extra 0.18.3 all Extension for the nvidia-settings control panel ii xserver-xorg-video-nvidia-535 535.54.03-0ubuntu0.23.04.2 amd64 NVIDIA binary Xorg driver $ nvidia-smi NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.