This article lists some fixes for the buzzing noise coming from a laptop charger when it is plugged in. Normally, laptop chargers do not make a noise while charging a laptop. However, some users ...

The Thunderbolt 4 Ultra 280W dock has the same ports and design as the 180W dock, but it uses a special combined cable (with a barrel power plug and Thunderbolt connection) to push up to 280W of power ...