Is this normal when the fans turn on ?

Is that the cpu fan? Sounds like it anyway. Fans can make a certain amount of noise when starting up but they are normally quiet.
 
Have you checked to the blades to make sure they aren't cracked? Is it an old fan? The guts of the fan could be wore out.
 
If it's not too big of a hassle, I'll get a replacement laptop and see if it behaves the same. Some fans do crank to max for the first few seconds when booting up.

The audio clip is hard to tell, but that fan may have been a dud. Sounds like a malfunctioning bearing but it could be nothing.
 
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