>
>Since yesterday I've noticed a weird ringing sound from my powerbook,
>3400. It all started while I was attempting to upgrade from OS 8.1 to
>8.6. I eventually succeeded but now once i a while while browsing I get
>the sound and then the computer freezes. Anyone know what's going on
>here? TIA.

I do so hope I am wrong, but I suspect the ringing sound is coming from
your hard drive where the heads are occasionally touching the platter...

You might want to back up the HD asap, something I'd suggest even if I'm
wrong on this :-)

Have Fun,
Jim.


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