How to fix fan noise issue in an ultrabook

HP Specter/HP Pavilion x 360/ Acer Aspire/ Lenovo Yoga/ Asus ZenBook UX310/ Dell Inspiron/ HP EliteBook etc.
Fan noise (high pitch noise) are common in most thin laptops (ultrabooks) due to a thinner fan, especially with core i5 or i7 processors (even with core i3 processors). Most new thin laptops and ultrabooks have this issue.

If your laptop is new and it is an ultrabook like one of those above, this issue is easily fixable, no need to return your laptop thinking it is a permanent problem. Follow 2 simple steps shown here and you should be able to fix the fan kicking off every time you use your laptop.
No need to open your laptop and clean fan (as it is new laptop ..lol) just these simple two step settings will fix it permanently! Sample shown here is an HP Pavilion X360 ultrabook.