Unbalanced fans,( case, power supply and and cpu ) might cause it, but I
have found very noisy HDD  also.
Loose cables touching fans might appear like that too.
When the noise is on, try to use your finger as a vibration sensor and guess
aproximatley where it comes from.
Hope it helps

----- Original Message -----
From: Paul Tiwana <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, July 03, 2001 9:48 AM
Subject: [PCBUILD] noise


> 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.\
> Pl advise. Thanx
> Paul Tiwana
>
>
> .
>
>                          PCBUILD's List Owners:
>                       Bob Wright<[log in to unmask]>
>                        Drew Dunn<[log in to unmask]>
>

                         PCBUILD's List Owners:
                      Bob Wright<[log in to unmask]>
                       Drew Dunn<[log in to unmask]>