I corrected some errors recently that had my Noctua NF-A14 fans running at about 20% in my Fractal Design Define R5 case. Since then, they sometimes produce a whistling sound depending on their speed.
I tried to
To no avail. Something is always whistling.
So, now I am thinking I could try to get another case if that would help. But I have no idea what to look out for, so that I don't get that whistling sound again.
Does anyone have any ideas on what to look out for? Or is this the wrong solution?
I tried to
- open the front door,
- remove the intake filters,
- manually closing some holes in the back outtake and
- getting some spacers so there's more room between the fans and the filters and/or holes.
To no avail. Something is always whistling.
So, now I am thinking I could try to get another case if that would help. But I have no idea what to look out for, so that I don't get that whistling sound again.
Does anyone have any ideas on what to look out for? Or is this the wrong solution?