NO 1. Is the correct AC power cord connected? 2. Is AC power outlet active? 3. Is the power button in the ON position ? YES Power off the monitor and then on. YES POWER LED ON? YES
Is cabinet of monitor damaged by being dropped?
YES
The monitor may have become faulty due to excessive shock. It is need to check and repair the monitor.
NO
Insure that unit is plugged into a known good power source (Move a good radio to plug into the power source to test it.) YES