How to test drive or power supply?

WD External Drives External Drives for Mac
1

Hello all, I was updating an old my book 2TB firmware.
Then noticed the light not on, it been sitting there for years.
(Not used)
Is there any way to test power supply or Drive ?
Any ideas thank you

2

Hi @dumpy2
Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting: