MS-1021 · SYNTHETIC DEMO RECORD Low risk
USB-C power disconnects when cable moves
Raspberry Pi Single-board Computer · 4 Model B · Small electronics
CHRONOLOGICAL CASE HISTORY
Diagnostic timeline
- Problem reportedUSB-C power disconnects when cable moves
Symptoms: USB-C, intermittent power, cable
- Diagnostic test 1Test with a known-good power supply without moving the board.
Start with the least invasive test that separates common causes.
Expected The observation should narrow the next safe action.Observed by human Power is stable with the known-good supply.Synthetic demo observation. - Repair attemptedReplaced the worn USB-C power cable.
Parts: USB-C power supply · Estimated $12 · easy
- OutcomeFixed
Replaced the worn USB-C power cable.
$12 12 minutes