In the following cases your player may take longer to read the files on the USB device:

• The USB storage device contains a large number of files (>500 files/folders) or files larger than 1 Mb.
• The USB device contains unsupported files that your player is trying to read.
• The USB device is formatted in an unsupported file system (such as NTFS for certain model; please refer to your user manual on the specification).