The computer does not recognize your “WALKMAN.”
-
If the remaining battery power is low, charge the battery.
-
When you use your Walkman for the first time, or if you have not used the Walkman for a long time, it may take a few minutes to be recognized by the computer. Check that the computer recognizes the Walkman after you have connected it to the computer for about 10 minutes.
-
Make sure that the USB cable is connected to the computer properly and securely.
-
Use the supplied USB cable.
-
Your Walkman may not be recognized if connected via a USB hub. Connect the Walkman directly to the USB connector on your computer.
- Make sure that the USB connection is not turned off. Drag the status bar, and then tap [Turn on USB storage] on the notification panel followed by [Turn on USB storage] then [ON].
-
Some devices or software may not recognize your Walkman when USB debugging is enabled. Tap
, then tap 
[Settings] - [
Developer options] - [USB debugging] and uncheck the box.
-
If the approaches listed above fail to resolve the issue, press and hold the
button for about 8 seconds or press the RESET button with a pen or paper clip, etc. to reset your Walkman then try the USB connection again.