I am having Macbook Retina(13 inches). How can I check whether laptop's fan is working or not?
MacOS – Check Macbook Pro Fan operation speed
macospower-management
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Best Answer
There are a few apps that are available to use as Fan Utilities - they will show you current speed, as well as allow you to enable the fans to full blast.
Here's one I have used previously:
https://www.macupdate.com/app/mac/23049/smcfancontrol
-- Ed