Resolved Processor whine after installing Lion on MacBook Air

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i've had os x lion developer preview 4 installed on macbook air (late 2010, 13" model), , have since upgraded gm (when released). i've found since upgrading gm, processor "whines" — never used before. "whine", mean when scrolling through web pages or images, hovering on apps in dock – pretty anytime move cursor – there these sounds emanate usually-quiet system, presume fit description of processor whine. sound goes when leave photo booth open, when run other multiple cpu-intensive apps simultaneously, sound still present.

since gm same build final retail version of lion, wasn't planning install it. however, of think clean installation eliminate above mentioned issue? it's issue me because use mba in whisper-quiet environment of time, constant "buzzing" irritating.

read somewhere processor whine occurs due low-power state of 1 of processor cores, thinking possibly have lion using less processor power "idle" activities. not entirely sure though.

update: after taking macbook air apple store, decided replace logic board under warranty, , has resolved issue. thank goodness!
 

well, there's 1 way find out sure.
 


Forums Macs macOS Older OS X Versions Mac OS X Lion (10.7)


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