another thing that causes this is using different formats.
Use only one file format.
to trouble shoot, try the USB drive with only one file, then 2 files, then one album, and keep progressing until you find the problem.
another thing that causes this is using different formats.
Use only one file format.
to trouble shoot, try the USB drive with only one file, then 2 files, then one album, and keep progressing until you find the problem.