If the USB device cannot be detected, check the settings and connection according to the type of USB device connection.
If a USB-Ethernet adapter is connected for internet communication, consider using wireless communication.
If the USB device is connected to the Nintendo Switch dock, check the following.
For more information about connecting USB devices, see 6.2 Connecting the ADEV and USB Devices.
If you do not find any problems while checking these things, perform the following operations.
If the USB device still cannot be detected after completing these operations, confirm that power is being supplied to the USB port by connecting another USB device to the Nintendo Switch dock that lights up when power is supplied.
If power is not being supplied to the USB port, the ADEV might be damaged. For more information about requesting a repair, see 10 Repair Contact.
Check that the USB device is properly connected to the ADEV.
For more information about connecting USB devices, see 6.2 Connecting the ADEV and USB Devices.
If there were no problems with the connection, restart the ADEV.
For more information about restarting the ADEV, see 8.1 Restarting the ADEV.
If the USB device still cannot be detected after completing these operations, confirm that power is being supplied to the USB port by connecting another USB device to the ADEV console that lights up when power is supplied.
If power is not being supplied to the USB port, the ADEV might be damaged. For more information about requesting a repair, see 10 Repair Contact.
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