3.3V Regulator Checks Updated Mar 15, 2026 · 3 min read · Support · 0 viewing 🔥 Most active page right now Previous 📄 Error Codes (Nintendo Switch) If your console boots up but displays an error on screen, below are the most common causes. 2101-000... Next Full Boot from Bench Power Once you have confirmed there are no shorts on the first-stage boot rails, you are safe to move on t...