TCS Pune

Board not detected

Guided diagnostic

Board not detected

No board or new port appears after connection.

Medium riskArduino, ESP, RP2040 and USB development boards

Tools checklist

  • Digital multimeternUSB data cablenCurrent-limited bench supplynLogic analyser or oscilloscope when indicated

Symptom-to-checkpoint workflow

Start at checkpoint 1. Record the reading, then choose Pass or Fail to follow the correct branch.

Checkpoint 1 · Confirm USB cable

Method: Try a known data cable and USB port

Expected: Board powers and a new device appears

⚠ Do not force damaged connectors.

Record this diagnostic run

Log in to save measurements and submit this run to an instructor.

Bench safety

Disconnect power before wiring changes or continuity testing. Confirm polarity and voltage limits. Use a current-limited supply for suspected shorts.

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