What brand is the appliance? i.e. Kenmore, GE, Whirlpool...
Model and serial numbers are very helpful information. Can you take a picture of the model number tag and send it as a text message?
Refrigerators normally need to be plugged in and turned on at least 30-40 minutes before being checked out. Do not do this if you have any reason to believe it would be hazardous to do so.
Refrigerator type: Is it a side by side, freezer on the top or on the bottom, or a french door style?
If it is a dryer, is it gas or electric?
If the appliance is completely disabled, i.e. no lights come on, or no response to any input, can you check the outlet it is plugged into or the circuit breaker for power. Plug a night light in the outlet and see if works.
Here are some important tips if you are considering having an appliance repaired.