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Fix Chrome Black Screen Flickering from Hardware Acceleration - Fix npm ENOENT package.json Missing Error-Nginx 502 Upstream Connection Refused Guide

2026-07-28 12:40:01
Fix Chrome Black Screen Flickering from Hardware Acceleration - Fix npm ENOENT package.json Missing Error-Nginx 502 Upstream Connection Refused Guide

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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