UCM stopped working - USB C display port - Dell Community
Catherine on Twitter: "I patched the Linux driver for UCSI (which is the proper name for this ACPI interface), to support requesting and setting alternate modes from the USB PD controller in
Problem with device ACPI-UCM-UCSI (Neo 15 2020 and Win 11) : r/XMG_gg
ACPI UCM-UCSI Device Error - UBook X - CHUWI | Official Forum
Debugging UCSI firmware failures - Microsoft Tech Community
Solved: Thunderbolt 3 problems with USB-C video adapter - HP Support Community - 7079997
Problem in Device manager UCM-UCSI — ZenTalk
Running USB Type-C System HLK tests with the Type-C MUTT - Microsoft Tech Community
USB Type-C Connector System Software Interface Specification
I need some help here. UCM-UCSI ACPI not working. Code 43 — Acer Community
USB Type-C Connector System Software Interface (UCSI) driver - Windows drivers | Microsoft Docs