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Home / backup-recovery / Fix OBS Black Screen but Audio Works: Step-by-Step Guide - How to Fix Certbot ACME Renewal Failure-Fix Redis Connection Refused and Timeout Issues

Fix OBS Black Screen but Audio Works: Step-by-Step Guide - How to Fix Certbot ACME Renewal Failure-Fix Redis Connection Refused and Timeout Issues

Updated 2026-06-13 13:59:29backup-recovery
Fix OBS Black Screen but Audio Works: Step-by-Step Guide - How to Fix Certbot ACME Renewal Failure-Fix Redis Connection Refused and Timeout Issues
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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