Ice maker not working. my refridgerator side stopped cooling yesterday and I saw on one of the

Question

my refridgerator side stopped cooling yesterday and I saw on one of the sites to reset the timer in front under the refridgerator. Turn it off for 20 minutes then reset it. we did that we turned it off for twenty minutes turned it back on and now nothing is freezing it is cold but not cold enough. So I need to see what I did and I need to still figure how to take the thermostate out.