after did efi firmware update , macbook pro restarted, noticed started hear clicking noise laptop. @ first, thought normal sound may have not heard before checked other laptops , aren't making noise close this. other 2 laptops checked 2011 models, 1 13" , other 15".
here recording of sound.
http://dl.dropbox.com/u/108564/iphone/memo.m4a
there background noise clicking sound sound hear. recorded 4s mic hovering around palm rest , trackpad. noticed when tilt laptop, can hear grinding sound. tried replicate grinding noise on other mbps can't replicate it.
best option me? if take apple, able replace me or resolve issue? don't want waste time driving 45 minutes apple can it's "normal". has had issue before , taken apple?
take @ apple forums. mbp motherboards hosed after firmware update , had replaced apple. there may posts detail other symptoms caused firmware update.
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