Hello, I'm Greg, here to help you with this.
1) Try these fixes for Bluetooth earbuds not detected in Windows 10:
https://support.microsoft.com/en-us/windows/fix...
https://www.headphonesty.com/2022/10/bluetooth-...
https://windowsreport.com/windows-10-cant-find-...
(Avoid ad links which intrude into editorial copy, especially DO NOT INSTALL Restoro, PC Repair Tool and Reimage ads)
https://www.guidingtech.com/fix-windows-10-not-...
https://www.youtube.com/watch?v=vuyGb9gtIU4
2) Update the Sound controller driver from the PC or motherboard maker's Support Downloads webpage for your exact model. While there compare to make sure you also have the latest BIOS, Chipset, Display, Network and all other drivers.
If no newer then uninstall the Sound controller driver in Device Manager, restart PC to reinstall it.
Next go into Device Manager, right click Sound controller driver to Upgrade driver, then Automatically.
If nothing newer found in Windows Update then try again but this time choose Upgrade Driver > Browse > Let Me Pick to try all previous drivers queued there.
3) If you know when this started,
See if you can System Restore to a point before the problem started: https://www.windowscentral.com/how-use-system-restore-windows-10
System Restore is your first line of defense and can take you back to a point before a problem began like a time machine. If it doesn't help then you can undo it. Read about it first in the tutorial above and then try restoring to just before this started. If System Restore is not enabled on C drive do that now so it's available in the future.
If the problem repeats or System Restore doesn't work then check which Windows Updates were installed at Settings > Update & Security > Windows Updates > Update History, uninstall them there or System Restore again, then immediately check for and block the Updates with the Hide Updates tool explained here: https://www.tenforums.com/tutorials/8280-hide-show-windows-updates-windows-10-a.html I
Feel free to ask back any questions. Based on the detailed results you post back, I will have other suggestions if necessary.
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