The replacement fan I bought only has red, black, and yellow. I tried googling, but didn't come up with much, but I was in a hurry, so I cleaned everything and put the OEM fan back in. Everything is ...

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.

If your PC fan randomly speeds up and slows down or stops, the following suggestions will help you. Before you proceed, we would like to tell you that an increase in the fan speed is a normal ...