When making a change to an electric machine to increase efficiency, noise and vibration might be negatively affected, which comes into vehicle experience. To separate the two, keep the clutch pedal on the floor and move the alternator into neutral. Pin von Mary We auf Scherzartikel Große spardose A knocking noise coming from your machine is giving you jitters. Slot machine whining noise . I bought the notebook yesterday, installed a fresh copy of windows 10 pro 1803, downloaded and installed all drivers from the official. A weird noise from my laptop, mainly when moving any external mouse. High pitch, whining noise with increasing frequency is due to pole/slot electromagnetic excitations. Order (ten pole pairs) many other orders are present due to many things like slot geometry, mechanical imperfections and deformations, magnetic imperfections, and current imperfections. Don't put your foot down one minute and give in to whining the next. On the other hand, by making a...