Hello anyone. Over the christmas holidays I decided to re-install my good old PowerPC Mac mini. Over this procedure by accident I attached the power cable from the Mac mini C2D (2007 model) to the PPC mini. Suddenly I noticed a hard humming noise coming from inside the Mac mini that didn't vanished after some shutdowns. I opened the Mac mini and noticed that the noise was coming from the fan. I cleaned it as good as possible but the noise ist still there. All other components are acting quite usual. But the fan is still making this newly humming noise. So I think I have damaged the fan somehow and now I'm looking for a suitable replacement. Maybe you have any idea which fan's are good and silent? Or is there another solution?