How To Check Pc Power Supply _top_ Official

| Symptom | Likely PSU Diagnosis | | :--- | :--- | | | PSU overload protection triggered (Short circuit or failing PSU). | | PC turns on, but no display | Possible GPU power issue (PSU not supplying enough wattage). | | Random reboots during gaming | PSU cannot handle peak load (Wattage too low or capacitors aging). | | No response at all (No lights, no fans) | Dead fuse, blown breaker, or internal PSU failure. |

+12V dropping to 11.3V under load indicates a failing PSU. how to check pc power supply