My Whirpool Fridge Suddenly stopped working its an old model

Needed help , since its lockdown in my country due to covid and my area is sealed i have no options but to try check thing out my self for now . My fridge suddenly stopped working no sound or anything .Also the side of the fridge thats normally hot , is now like real cool. Also i can feel a cold air all around the fridge . What can it start testing to find possible fix since the cops might ppl to go out or in of my area any help or suggestions are appreciated .

Whirpool- Model - GNF 220X