Kenmore fridge isnt working

Question

I have a kenmore refrigerator mod no253.74802408.I t isnt working for couple of days.I tried to reset the temp and unplug it and put it back again,but nothings is happening.Both the freezer and the fresh food has kinda stopped working.I can hear teh fan in teh freezer but the popciclle haaws melted and the ice maker isnt working.The fresh food storage isnt working either.There is no sound from that side.The milk has not spoiled but the food isnt cold either.I have cleared the freezer thinking it might be overloaded,but nothing has helped.Anything I could do to fix it begore I get professional help??????
PLZ HELP