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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

iMac Fan Running Fast?


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RadDave

 
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Hi All - bought an iMac (specs below) in April of this year - used mainly by my wife - she came out this morning and said the computer was noisy. On inspection, the noise was a fast fan (never happened before) - I first did a Time Machine BU and cloned the HD w/ CCC.

Then I simply shutdown & powered back up - no noise. iStats reported the fan @ 3400 rpm when noisy, now running @ 1400 rpm (temp about 80 degrees F). I was planning to reset the SMC if the noise returned, but seems fine @ the moment. Any other advice, checks, etc.? Thanks - Dave


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harryb2448

 
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Apple explains things in this article about resetting the SMC:-

iMac: Fans run at full speed after computer turns on

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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Reference the Apple article: Who in world pushes the power button on at the same time while plugging the AC power cord in to the receptacle?

@Dave

Did you buy Apple care for the iMac? If not, might be a good time to do so before the one year warranty is up on that machine.
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RadDave

 
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Quote:
Originally Posted by chscag View Post
Reference the Apple article: Who in world pushes the power button on at the same time while plugging the AC power cord in to the receptacle?

@Dave

Did you buy Apple care for the iMac? If not, might be a good time to do so before the one year warranty is up on that machine.
Hi Harry & Chscag - thanks for your comments! Not to worry, I do have Apple Care and bought locally at a MacAuthority store in the mall.

Also I was reviewing information on resetting the SMC, and for an Intel-based iMac (directions quoted below), a little simpler than trying to bring Frankenstein to life -

Dave

Quote:
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
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