The UCM-UCSI ACPI is crucial for your computer because it manages USB Type-C ports. If you see an error message for this driver in the Device Manager, then this post ...
Consider a smart home display that uses Wi-Fi, Bluetooth mesh and local voice recognition. The embedded processor manages the wireless protocols, runs the voice model and powers the user interface.
If Bluetooth driver is missing or gets removed after a Windows Update, add the legacy driver from the Device Manager, install the correct driver from your manufacturer, etc.