Fridge & frezer not cooling

Brand:
Model Number:wrf560sfym04
Main Symptom:not cooling
What happens & when:not cooling fridge or freeze

not cooling. 2014 model. compr hums & fan works. cleaned coils. thinking it bad compressor or loss of coolant. any ideas?

Error Code (if any):
Parts or tests already tried:
Photos / video link:

Check the evaporator coil and see if there is an even frost pattern. If there is not an even frost pattern then this will be a sealed system leak or a faulty compressor in which you would need to have service to repair.