Legion Go hardware question - fan noise

I'm finding that the fan on my Legion Go has a high pitched whine, especially noticeable when idling on the desktop at mid RPM's.  Researching via Reddit, I've found several other reports of this whine.  Is there anything that can be done to reduce the whine, or do I need to decide between living with it or returning a second Go because of inability to ignore the sound?

FWIW, it looks like I have a Pindai fan.

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