An LED light bulb connected to a standard wall switch or dimmer often emits a buzzing or humming noise due to electrical incompatibility between the LED's internal driver and the power supply waveform. Solid-state dimmers regulate brightness by rapidly chopping the alternating current wave. If the LED bulb's internal driver cannot process this chopped current smoothly, the tiny magnetic components and diodes inside the bulb vibrate audibly at high frequencies. You can troubleshoot acoustic noise easily by testing alternative bulb brands. You can verify that your corrective action is successful when replacing incompatible bulbs with high-quality, manufacturer-recommended dimmable LED bulbs ensures completely silent operation across all slider levels and light settings.
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