π ~1 min read
Table of contents
Symptom & Impact
After graphics changes, Ubuntu 22.04 may boot to a black screen instead of the desktop.
Environment & Reproduction
Boot reaches login stage with no visible UI, or only a blinking cursor appears.
Root Cause Analysis
Mismatched NVIDIA driver, secure boot module issues, or conflicting display manager state.
Quick Triage
Switch to TTY with Ctrl+Alt+F3 and verify the system is reachable in text mode.
Step-by-Step Diagnosis
Run ubuntu-drivers devices, lsmod | grep nvidia, and journalctl -b -p err.

Solution – Primary Fix
Install the recommended driver with apt, rebuild initramfs if needed, and reboot into normal graphical target.
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Solution – Alternative Approaches
Confirm graphical login loads and 3D acceleration works with nvidia-smi and desktop apps.
Verification & Acceptance Criteria
Use ubuntu-drivers recommended packages and avoid mixing manual installer methods.
Rollback Plan
If secure boot is enabled, ensure driver module signing is properly completed.
Prevention & Hardening
Use the stable driver branch validated for Ubuntu 22.04 Jammy kernel versions.
Related Errors & Cross-Refs
Purge problematic driver packages and fall back to previous known-good driver set.
Related tutorial: View the step-by-step tutorial for Ubuntu 22.04 LTS.
View all Ubuntu 22.04 LTS tutorials on the Tutorials Hub β
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Use Ubuntu graphics driver documentation and NVIDIA package notes for Jammy.
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