Bluetooth function lost and Wifi only on 5GHz band on Windows 11 Asus Laptop with Realtek 8821CE network adapter

Last week I bought a new Asus Laptop running on Windows 11 (see detailed configuration below). This laptop comes with a Wifi and Bluetooth functionalities. Everything worked fine until Friday, when the Bluetooth icon decided not to show up in windows taskbar after startup. I saw that this is somewhat of a common error and followed Microsoft's suggested fixes . I tried updating the driver and running the troubleshooter to no avail. Ultimately, I followed the instruction of uninstalling the Bluetooth adapter from the Device manager. This is where things started to go south: after reboot, Windows

Question by Damien on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.