[PB] strange noise

[Jim Freeman]

I'm afraid there might be a problem with the hard drive on my PBG4  
and I'm wondering if anyone has any insights before I call AppleCare.  
Whenever I pick up the powerbook while it's running I hear a buzzing  
sound, like something rotating at high speeds is rubbing somewhere.  
It reminds me of the sound made by a grinder or a buffer. This sound  
doesn't not occur when the computer is resting on a flat surface,  
only when I pick it up. I make an effort now to pick it up carefully  
with two hands, and the sound depends on how I hold it, but I pretty  
much get it every time I move it. The computer is a year old, under  
AppleCare, with an Apple installed hard drive. There are no other  
issues and I'm pretty good about backing everything up to an external  
drive and to .mac. I'd hate to be without a computer if Apple wanted  
me to send it in. Or maybe it's too ambiguous a problem to get any  
help from Apple. But I'd hate to have my HD crash on me, and the  
sound is annoying.

Jim



Powerbook G4 12" 1.33 GHz
OS X 10.4.2
768 MB Ram
80 Gig HD


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