USB device is not working
Try these steps in order. Stop if a step does not apply to your device or could risk important data.
- Reconnect the device.
- Try a different USB port.
- Restart the computer.
- Test the device on another computer.
- Open Device Manager on Windows or System Information on Mac to see whether it appears.
More help: A damaged cable, port, or device may need replacement.
Back up important files before repairs that may affect storage or system settings.