Solved! lenovo y530 fan sound like a chainsaw

Jan 27, 2019
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hello, i have lenovo y530, my laptop fan noise is like chainsaw, but when i check the harddisk its fine, when i open the back, the fan is clean too, can someone explain to me what happen with my fan? Thank you
 
Solution
The only fan in a laptop will be the cpu cooler fan.
Likely it has become damaged and is making a noise when working.
Plan on installing a replacement.