On May 24, 7:25 pm, wrote:
I have a new PC and it comes with a high pitch noise ! but it does
not occur all the time.
When I power up, I get the noise (more often than not). But if I reset
the PC a few times, it will go away. But sometimes, when I power up,
I don't get the noise.
So it's not permanent.

Would like to hear from you what could be wrong ? Thanks.

What make and model? Is it still under warranty? Have you listened
to another similar computer before you bought this one?

H. R. (Bob) Hofmann