You get some clue by the pitch, 7200 rpm drive make a nice high pitched
whine while a fan sounds like a fan, especially as while its failing, its
turning slower and slower, and may pulse a bit.
You need to have the case openned for an inspection, since overheating is a
bad thing, but if the noise tends to fade off into a whisper, it will
probably be a $5 fan that's making the noise.

-----Original Message-----
From: Paul Tiwana [mailto:[log in to unmask]]
Sent: Tuesday, July 03, 2001 9:48 AM

I get humming noise in my computer here and there. it stays a while ( 7-10
minutes) for sometime and then it becomes silent  by itself.
it has been going on for the last couple of months. Could it be the fan or
the hard drive. If it is hard drive, then which one, I have two hard drives
in my computer.\

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