High-pitched squeal in iBook G4

[katkramer]

I had an iBook G4. Occasionally it would make a high-pitched squeal, which would fade away after a minute or so. It seemed to happen when the iBook got hot, and at first I noticed it when I was using it on my lap.

It *seemed* to be related to when the fan came on, but it could also be the hard drive. It went away when I closed the iBook.

Since I have a replacement hard drive, I thought I might tackle that repair first. The iBook is out of warranty.

Has anybody run across this problem?

[Jimmypoo]

Your front brake pads are probably low, and you've just hit the "squealers."

Have you been downloading big files - and then bringing your broadband to a screeching halt when the file is downloaded? That will wear the pads down in no time at all.




.


typo.
Don't try this at home.

[katkramer]

Haha...I am familiar with these squealers!

Were you serious about the second part? B)

[Chupa Chupa]

Does it go away when you unplug it and use battery power? If so probably the screen inverter. I had bum ones on a G4 PB and on a MBP. New inverter fixed the prob both times. The squeal is sooo annoying.

[Jimmypoo]

How does the power source have an effect on the inverter?

and no.... see above edit.

[katkramer]

I remember that it didn't do it as much without power...