Check Power Supply On Pc May 2026

Turn off your PC, unplug the PSU, and shine a flashlight into the fan grill on the back.

| Voltage Wire | Target | Minimum | Maximum | | :--- | :--- | :--- | :--- | | Yellow (+12V) | 12.0V | 11.4V | 12.6V | | Red (+5V) | 5.0V | 4.75V | 5.25V | | Orange (+3.3V) | 3.3V | 3.14V | 3.46V | check power supply on pc

One paperclip. The danger: You are dealing with live electricity. Do not touch metal parts while the PSU is plugged in. Turn off your PC, unplug the PSU, and