Try the following troubleshooting steps:
- Disconnect the USB cable once, then reconnect it.
Notes:- If the Walkman's USB port is dirty, wipe it gently with a soft cloth. Dust or dirt may prevent recognition.
- If your computer has multiple USB ports, try connecting the cable to a different USB port.
- If you are using a USB hub, disconnect it and connect the Walkman directly to the computer's USB port.
- Restart the Walkman.
- Press and hold the power button, then select Restart on the screen.
- Restart the computer.
- Initialize the Walkman.
- Connect the Walkman to a different computer and check if it's recognized.