Raspberry Pi PWR LED illuminates, but doesn't turn on or faint buzzing when connected to power Repair: Difference between revisions
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{{Repair Guide | {{Repair Guide | ||
|Device=Raspberry Pi | |Device=Raspberry Pi | ||
|Affects parts= | |Affects parts= | ||
|Needs equipment= | |Needs equipment= | ||
|Type= | |Type= | ||
|Difficulty= | |Difficulty= | ||
}} | }} | ||
==Problem description== | ==Problem description== | ||
PWR LED illuminates but doesn't turn on or faint buzzing when connected to power supply. Missing voltages at a GPIO pin. | PWR LED illuminates but doesn't turn on or faint buzzing when connected to power supply. Missing voltages at a GPIO pin. | ||
Latest revision as of 21:16, 13 January 2024
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| Raspberry Pi PWR LED illuminates, but doesn't turn on or faint buzzing when connected to power Repair | |
|---|---|
| Device | Raspberry Pi |
| Affects part(s) | |
| Needs equipment | |
| Difficulty | |
| Type | |
Problem description
PWR LED illuminates but doesn't turn on or faint buzzing when connected to power supply. Missing voltages at a GPIO pin.
- Pi 3 (A+ and B+)
- Pi 4 (all)
Symptoms
- The red PWR LED illuminates, but the system doesn't turn on.
- There is a faint buzzing sound when power is supplied to the PCB.
- 5V present at GPIO 2, but no 3.3V on GPIO 1.