Hi, this is not the "standard" fan noise thread. I have something else. When the fan is starting something is generating some noise (immediately before the fan starts spinning and continues thereafter). It sounds a bit like a broken relay or something? I am not an electronic engineer. I changed the fan but the noise is still generated so it must be something on the circuit. My current fix is to just let the fan spin heavily which is not as annoying as this sound How can I fix this?