Aurora R13, faulty PSU

@StuBarro​ 

How to run self-test using the button on the PSU

1. Turn off the computer.
2. Press the BIST button and verify if the LED turns on.
3. The LED must be solid and not flickering or flashing. The power supply fan turns on. If the PSU fan does not spin correctly, consider the built-in self-test as failed even if the LED lights up.
   1. If the BIST LED turns on, the power supply is delivering power to the computer.
   2. If the BIST LED does not turn on or the PSU fan does not spin correctly, the power supply is not delivering power to the computer. Disconnect and reconnect the power cable to computer and try again. If the BIST LED does not turn on, contact Dell Technical Support for repair options.

How to run self-test without the button on the PSU

1. Turn off the computer.
2. Disconnect the power cable from the PSU, and wait for 15 to 20 seconds.
3. After 15 to 20 seconds, connect the power cable to the computer.
4. The LED light turns on for 3 seconds and then turns off.
   1. If the BIST LED turns on, the power supply is delivering power to the computer.
   2. If the BIST LED does not turn on or the PSU fan does not spin correctly, the power supply is not delivering power to the computer. Disconnect and reconnect the power cable to computer and try again. If the BIST LED does not turn on, contact Dell Technical Support for repair options.