Search:

Both, I have a computer that has that problem, I need to know where the fans speed control is, So I will know wher to start. I'm sure the PSU is bad, I'm not sure about the MOBO.

Is the device that controls the fan speed, in the fan or on the motherboard? this can be a problem when cleaning a CPU becouse, if fan blade turns too fast the moter of the fan can turn into a...