Ubuntu 18.04 keyboard layout resets after reboot

📖 ~1 min read

Table of contents

1. Symptom & Impact
2. Environment & Reproduction
3. Root Cause Analysis
4. Quick Triage
5. Step-by-Step Diagnosis
6. Solution – Primary Fix
7. Solution – Alternative Approaches
8. Verification & Acceptance Criteria
9. Rollback Plan
10. Prevention & Hardening
11. Related Errors & Cross-Refs
12. References & Further Reading

Symptom & Impact

Custom keyboard layout reverts to default each reboot or login.

Environment & Reproduction

Language settings appear saved, but active keymap changes unexpectedly.

Root Cause Analysis

Conflicting user and system layout sources or display manager overrides can reset configuration.

Quick Triage

Confirm desired layout in both user settings and system keyboard defaults.

Step-by-Step Diagnosis

Inspect localectl status, /etc/default/keyboard, and user dconf layout entries.

Solution – Primary Fix

Set a single authoritative layout source and remove duplicate or conflicting entries.

Solution – Alternative Approaches

Use startup script enforcement for specialized workstation requirements.

Verification & Acceptance Criteria

Correct layout persists after reboot, relogin, and lock/unlock cycles.

Rollback Plan

Reapply previous keyboard settings backup if new mapping causes input disruption.

Prevention & Hardening

Standardize locale and keyboard profile deployment for all users.

Related Errors & Cross-Refs

Related to locale misconfiguration and login profile initialization issues.

Related tutorial: View the step-by-step tutorial for Ubuntu 18.04 LTS.

View all Ubuntu 18.04 LTS tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

Consult localectl and Ubuntu locale/keyboard administration documentation.