Modern laptop and desktop motherboards do not treat USB Type-C ports as simple passive data lanes. USB-C ports negotiate complex power layouts, alter data streams (e.g., video output), and handle bi-directional charging.
Outdated UEFI/BIOS versions can drop compatibility flags with newer Windows builds, rendering the ACPI description entry unreadable. pnp0ca0
The software layer initialized by controls several operational tasks: Modern laptop and desktop motherboards do not treat