Digital Media PlayerNW-A25/A25HN/A26HN/A27HN

The computer does not recognize a microSD card inserted in your Walkman.

  • [System Storage] is selected as the memory to use. Change the memory to use to [SD Card] by following the instructions shown on the display of your Walkman.
  • Make sure that no data is being transferred by checking your Walkman screen. Disconnect the USB cable from your computer, and then connect it again.
  • Back up all of the data on the microSD card (not supplied) to your computer, and then initialize (format) the microSD card with your Walkman.