Follow the procedure below to Disable/Enable Power Beep sound on Computer. When you plug in or out the power adapter in BIOS or during One Key Recovery operation, the sound will also come. The action only takes effect within the operating system. To cancel the sound, you need to go to “Master Volume” –> “PC Beep” to turn down or mute the sound. When you plug in or out the adapter, the PC will beep. The sound comes from the trumpet instead of the speakers. Here is a small procedure to disable computer’s charging beep sound. For some computer the beep sound indicates the adapter is starting or stopping the power supply. Some computer doesn’t allow to configure with it’s main volume, so we need to disable with BIOS option. Sometime computer charging beep sound really annoying to us.
