Samsung UN60ES7150F E-Manual page 611

the TV turns on.
If you find that you are having trouble
powering on your Samsung television,
there are a number of things to check
before making a call to the service
department.
If you're sure your power cord, remote
control, and PC are functioning
properly, you may be having a cable
issue. If you have a cable or satellite
box, your TV may appear to be off