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Are beeps normal hardware sounds?
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Fresh-Faced Recruit
Join Date: Jun 2005
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New iMac G5 2GB - I reinstalled system because question mark folder showed up the other day. Before, during, and after reinstalling OS X, I occasionally heard random short quiet beeps from back of computer, somewhere inside. They aren't consistent sets of 1, 2, or 3 beeps and aren't coming from the speakers. Are these normal sounds that should be expected?
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Senior User
Join Date: Aug 2000
Location: Buenos Aires
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Sometimes the optical drive make beeping-resemblant sounds.
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Y no entienden nada... ¡y cómo se divierten!...
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Professional Poster
Join Date: Nov 2004
Location: Belgium
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Probably the GPU. Scary sound but normal.
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iMac 20" C2D 2.16 | Acer Aspire One | Flickr
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Professional Poster
Join Date: Jan 2003
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Originally Posted by noisymac
New iMac G5 2GB - I reinstalled system because question mark folder showed up the other day. Before, during, and after reinstalling OS X, I occasionally heard random short quiet beeps from back of computer, somewhere inside. They aren't consistent sets of 1, 2, or 3 beeps and aren't coming from the speakers. Are these normal sounds that should be expected?
Backup your data onto another HD. If you have an older backup, don't write over it with this one. If there's any corruption on your disk, you'll want both backups available.
If you can, run DiskWarrior on your drive. Have it monitor S.M.A.R.T. status daily. You might also want to run Hardware Test and Disk Utility, but I've found both of these programs lacking when identifying potential drive failures.
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Moderator 
Join Date: Aug 2001
Location: This is not my beautiful house
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Many people also have power supplies that make noises, including "beeps"
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Clinically Insane
Join Date: Nov 1999
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I hear the same sort of sounds from my dual-G5 on occasion, so this could be normal. I don't know if it's the graphics card or some other kind of fan that's being used.
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You are in Soviet Russia. It is dark. Grue is likely to be eaten by YOU!
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Professional Poster
Join Date: Jan 2003
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Yeah guys, but he clearly mentions that he got the question mark folder on startup. That's often not a good sign.
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Professional Poster
Join Date: Apr 2001
Location: Long Beach, CA
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Originally Posted by f1000
Yeah guys, but he clearly mentions that he got the question mark folder on startup. That's often not a good sign.
This is where the backup recommendation came from. Dying hard drives can make beeping noises too. I would recommend setting the SMART check to hourly instead of daily.
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ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
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