Try these Windows 11 steps in order:
- Run the Bluetooth troubleshooter in Get Help.
- Open Get Help and run the Bluetooth troubleshooter.
- It will run diagnostics and attempt to fix common Bluetooth problems.
- Confirm Bluetooth is turned on.
- Select Start > Settings > Bluetooth & devices.
- Make sure Bluetooth is turned on.
- Also check the taskbar quick settings by selecting the Network, Sound, or Battery icons and turning on Bluetooth.
- Check the Bluetooth device itself.
- Make sure the device is powered on.
- Make sure it is charged or has fresh batteries.
- Keep it close to the laptop.
- Turn the device off, wait a few seconds, then turn it back on.
- If it is sluggish or unresponsive, move it away from USB 3.0 devices, since unshielded USB devices can interfere with Bluetooth.
- Change device discovery to show more devices.
- Go to Start > Settings > Bluetooth & devices > Devices.
- Under Device settings > Bluetooth devices discovery, select Advanced.
- Check laptop Bluetooth settings.
- Make sure Airplane mode is off from the taskbar quick settings.
- Turn Bluetooth off, wait a few seconds, then turn it back on.
- Remove and pair again if the device appears but will not connect.
- Go to Start > Settings > Bluetooth & devices > Devices.
- Select More options for the device.
- Select Remove device > Yes.
- Pair the device again.
- If the Bluetooth icon is missing but Bluetooth appears in Device Manager, reinstall the adapter.
- Open Device Manager.
- Expand Bluetooth.
- Right-click the Bluetooth adapter and select Uninstall device.
- Shut down the laptop, wait a few seconds, then turn it back on.
- Windows will try to reinstall the driver automatically.
- If it does not, open Device Manager and use Action > Scan for hardware changes.
- Update the Bluetooth driver.
- Open Device Manager.
- Locate the Bluetooth adapter.
- Right-click it and choose Update driver.
- If needed, install the latest Bluetooth driver from the laptop manufacturer.
If Bluetooth is completely missing from Device Manager, check the laptop specifications to confirm the laptop has Bluetooth hardware.
References: