📖 ~1 min read
Table of contents
Symptom & Impact
System boots to black screen or blinking cursor with no GUI. Operational access is limited to recovery shell or TTY.
Environment & Reproduction
Ubuntu 22.04 with proprietary NVIDIA drivers, often after kernel/HWE updates. Reproduce with incompatible driver-kernel pair.
Root Cause Analysis
Kernel module mismatch, DKMS build failure, or incorrect GPU mode settings prevent display server initialization.
Quick Triage
Access recovery mode or TTY, run ubuntu-drivers devices, and inspect dkms status for failed module builds.
Step-by-Step Diagnosis
Read journalctl -b -p err, check /var/log/gpu-manager.log, and confirm loaded modules with lsmod | grep nvidia.

Solution – Primary Fix
Purge broken NVIDIA packages, install recommended driver with ubuntu-drivers autoinstall, then run sudo update-initramfs -u and reboot.
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Solution – Alternative Approaches
Temporarily boot with nomodeset to regain access or switch to open-source nouveau for emergency recovery.
Verification & Acceptance Criteria
GUI loads normally, nvidia-smi reports device status, and no repeated GPU driver faults occur at boot.
Rollback Plan
Boot previous kernel from GRUB advanced options and reinstall prior known-good driver package set.
Prevention & Hardening
Coordinate kernel and driver updates, monitor DKMS build results, and keep a tested fallback kernel installed.
Related Errors & Cross-Refs
Failed to start gdm.service, nvidia-drm module load failure, black screen after login.
Related tutorial: View the step-by-step tutorial for Ubuntu 22.04 LTS.
View all Ubuntu 22.04 LTS tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Ubuntu NVIDIA driver docs, DKMS manual, kernel module troubleshooting guides.
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