I once has this happen with my father's new standing desk. He, PhD with an Electrical Engineering degree, couldn't get it working. Turned out the C13 power cabl

I once has this happen with my father's new standing desk. He, PhD with an Electrical Engineering degree, couldn't get it working. Turned out the C13 power cable was only 90% inserted, and felt firmly in place but did not have enough connector to power the desk.