Yeah i'm getting a lot of pinwheels, I'll replace the hard drive,
thank you.
On Mar 10, 2010, at 8:00 AM, Bruce Johnson
<john...@pharmacy.arizona.edu> wrote:
On Mar 9, 2010, at 9:31 PM, Derek Jones wrote:
My Power Mac G4 keeps making this whining noise when I try to use
it, I think It has something to do with the hard drive, but I'm not
sure. Any help would be appreciated, thank you.
Sudden onset whining noises can come, pretty much from only four
sources: the hard drive, the fans, the optical drive and the audio
system.
If you're experiencing lots of spinning pinwheels, particularly when
accessing the drive (opening, closing files, etc) it's the hard
drive. Back up your stuff NOW, and look for a replacement.
If it seems very warm, and you can feel air moving out of the vents
when the whining is happening, it's likely the fans. Sadly this is
logic-board replacement time as the fans are part of the logic board
on most models of these.
On a G4 if you can pull it out into the open and you can run it
while the case is open. This will help you identify where the sound
is coming from, down near the hard drive, in front by the optical
(or zip drive, if present) by the fan, the back of the power supply
(to id the fan in there).
The audio subsystem can be identified by unplugging any
speakers...if the noise stops, it's the audio, which will be a
special case to fix.
Pretty much, whatever you find making the noise, replace that part.
--
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group
Institutions do not have opinions, merely customs
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those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
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