Dear Levi Woods!
Welcome to the Microsoft Community!
I understand that you have encountered the problem that the Bluetooth device is not displayed in the device manager after upgrading to Windows 11. This is indeed very troublesome. My initial judgment is that the cause of the problem is that the drivers of the corresponding devices of Windows 11 and Windows 10 are not universal, which makes it impossible to detect the Bluetooth module in your wireless network adapter. According to the information you provided, your system model is MS-7C56, which is usually related to MSI's B550M motherboard. Here are some possible solutions:
Visit MSI's official website and find the driver download page for B550M and the motherboard model you purchased.
Check whether there is a Bluetooth driver for Windows 11. Since upgrading from Windows 10 to Windows 11 may cause driver incompatibility, checking and downloading the driver for the corresponding system version may help solve the problem.
In the Device Manager, click the "Action" menu and select "Add an outdated device".
Follow the wizard prompts to see if you can manually add the Bluetooth device.
If Bluetooth was working properly before the upgrade, you can try to roll back to the Bluetooth driver for Windows 10 to see if this can solve the problem.
In Device Manager, find the Bluetooth device (it may be displayed as Other Device or Unknown Device), right-click it, select "Properties", and then select "Roll Back Driver" under the "Driver" tab.
If the above steps do not solve the problem, it is recommended that you consider rolling back to the Windows 10 version (you can find an option to return to the previous version in Reset in Windows Settings within ten days of the update).
Or you can use a new hard drive to install Windows 11 for additional system driver compatibility checks (because in a newly installed system, there will be no Windows 10 driver residue).
If you cannot find a suitable driver on MSI's official website or need further technical support, it is recommended to contact MSI's customer service for help.
Visit MSI's official website and find the driver download page for the B550M motherboard.
Download and install the Bluetooth driver for Windows 11.
Restart the computer and check whether the Bluetooth device is displayed in the device manager.
Then you can also find the Windows Update interface, and then find the corresponding update to check whether there is a Bluetooth-related driver update.
If there is really no relevant driver to find, you can find some driver management software such as Snappy Driver Installer Origin, which is free software. You can find the missing driver in Windows there. You can check it again. After installing the corresponding driver, you can uninstall this software if you don't need it.
Note:
When downloading and installing drivers, please make sure to get them from MSI's official website or a trusted source to avoid security issues.
If you are not familiar with driver installation or system settings, please do it under the guidance of a professional.
Please try the above suggestions and let us know the results. If the problem persists, we may need to further explore other solutions.
I hope these suggestions can help you solve the problem. Good luck!
Best regards,
Yang.Z - MSFT | Microsoft Community Support Specialist