Use a multimeter to check the power at the end of the power cord. This will tell you if the power cord is bad.

Next verify the power switch is lighting up. There is often a fuse between where the power comes into the machine, but before the lower board

Next issue would be the lower board. It is not uncommon for the lower board to bad out of the box if is a unit where the manufacturer requires the seller to first assemble and test the unit before a customer takes it home.