macbook not allowing bluetooth connection
what is cause and repair for blue tooth recognition
A diagnostic by authorized Apple repair service or preliminary tests by
an official Apple store Genius, may be a fair start to learn of the cause.
This slight outdated article covers several aspects, perhaps troubleshoot
bluetooth peripherals; such as iOS differs somewhat, from macOS ones.
• Using a Bluetooth mouse, keyboard, or trackpad with your Mac - Apple Support
https://support.apple.com/en-us/HT201171
• How to fix Mac Bluetooth issues, reset BT module, more | 9to5Mac
https://9to5mac.com/2021/12/01/how-to-fix-mac-bluetooth-issues/
Basic troubleshooting BT? Sometimes hard to locate good articles about it.