Videos and photos transferred from a computer are not displayed in a list.

You transferred videos and photos to your “WALKMAN” from a computer in a format not supported by your “WALKMAN.”

• Videos and photos in unsupported formats will not be recognized by your “WALKMAN” and will not appear in a list. [Details]

You renamed a video file that was transferred from a computer to your “WALKMAN,” or you moved it to another folder.

• If you rename a video file or move it to another folder, it may not be recognized by your “WALKMAN” and may not appear in a video list.

Data transferred by drag-and-drop is not in the appropriate data hierarchy level.

• Place the data in the appropriate folders and data hierarchy levels. [Details]

Your “WALKMAN” was formatted using the Windows Explorer.

• Format the memory on your “WALKMAN.” [Details]

The USB cable was disconnected from your “WALKMAN” while data was being transferred.

• Transfer usable files back to your computer, and format the memory on your “WALKMAN.” [Details]