[SOLVED] Screeching noise coming from laptop

Jan 25, 2019
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I have a dell inspiron 5482 that is relatively new.
Whenever I power on the laptop or wake it up from sleep, the laptop makes a very high pitched screeching sound. I checked intel XTU and it seems that the screeching sound correlates directly with when the CPU is turbo boosting up to 4+ ghz and when the CPU is very hot or thermal throttling. What is causing the screeching noise?
 
When ever CPU hits turbo there should be considerable speed change in those exhaust fans. Hard to expect such thing on a new Laptop but it can be the reason other than that there's no any moving parts not even HDDs in those ... especially 2 in 1 Laptops. Haven't you try to contact Dell?
 
When ever CPU hits turbo there should be considerable speed change in those exhaust fans. Hard to expect such thing on a new Laptop but it can be the reason other than that there's no any moving parts not even HDDs in those ... especially 2 in 1 Laptops. Haven't you try to contact Dell?
 

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