Fan not working Inspiron 5400 AIO

I was working on desktop normally I mostly do gaming one day my fan created loud noises annoying like it's hitting something the next day same taskes but no noises and after 1 mother later my fan completely stopped working I checked for clogged vents or dirty fan but nothing found I updated all the driver's my pc is upto date but still not working the fan is proper no damages I saw that when I turn on my pc my fan moves a little and stops 

Please provide fix it's an emergency