Search online for a solution, and you will find the same four workarounds. None of them are acceptable for a modern operating system in 2024/2025.
It is a common frustration: you go to connect your headphones or mouse, only to find the in the Windows 11 Quick Settings and Settings menu. This usually indicates that Windows has "lost" the Bluetooth hardware due to a driver glitch, a disabled service, or a power-state error.