I built my first computer about 2 years ago, and from pretty early on it would every so often have this really bad wheezing sound, kind of like revving an engine. Initally it wasn't so bad and I ...

I have always said that it was better to replace the entire PSU than replace a failed PSU fan, or one that is noisy. But now I have at least 5 PSU's that I believe are basically good, but have a noisy ...

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.