06-17-2019 04:50 AM
I've got HP ProDesk 400 G2 with i5-4570S. When I have bought it, PC started to... emit this hissing noise:https://drive.google.com/file/d/14auU06FJhveYd7MF235k98T1vsDYvZUH/view?usp=sharing
Right now, I've swapped old PSU for new 500W - I thought, that PSU was source of problem. Nope, it's still hissing. Any ideas, what may be source of problem?
There's only one fan on CPU, nothing more.
06-17-2019 02:55 PM
Welcome to the forum.
I am not a HP employee.
I listened to the sound. It sounds like a hum and then a high pitched sound.
Is it coming from the speakers?
It could be the CPU fan if you have no other chassis fans installed in the system.