Re: Strange noises from the computer

On Tue, 16 May 2023 20:13:46 +0200
"Carlos E. R." <[email protected]> wrote:
> On 2023-05-13 13:49, Spiros Bousbouras wrote:
> > I have a computer with 2 fans , one for the processor and one for the PSU.
> > Occasionally I get noises and there are 2 kinds : one is a squeaky noise and
> > the other a grinding noise. The squeaky noise sometimes appears every now and
> > again and eventually becomes continuous. The grinding noise appears out of
> > the blue and is continuous right from the start. The 2 kinds of noises never
> > happen at the same time.

[...]

> > 3) Is there a way to find out which fan causes the noise ? It could be that
> > one fan does one kind of noise and the other fan the other kind of noise. I
> > opened the case once when I could hear the grinding noise but I couldn't tell
> > which of the 2 fans was the cause.
> 
> Stop each one in turn with your finger. Or a painting brush, if you 
> don't want to risk your finger.

As I said , "The PSU is hermetically sealed within the PSU enclosure" , I
doubt I could get to it. As for stopping the processor fan , my understanding
is that if you do that , in a fraction of a second the processor will go up
in flames.

> When you find it, the cure would be to oil the axle, or replacing the fan.