In case the problem of no signal with Bluetooth in Windows 11 persists, there may be an issue with the temporary failure of the service, the driver, or the hardware itself. Open Services by pressing the Windows + R keys together, type in services.msc, and find the service "Bluetooth Support Service." Right-click on it and choose to restart. Rebooting this particular service is listed among Microsoft troubleshooting tips. There are other factors that you need to take into account like checking if Bluetooth is enabled and if Airplane Mode is off.
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