There are some occasions that you want to making a backup of a Blu-ray's contents to a USB Thumbdrive for convenient playback or management. You may met the same issues as below: “USB Thumb Drive not recognized by Blu-Ray Player? I have a new BDP-S5100. I cannot get it to recognize a thumb drive. The thumb drive is 2GB, was FAT32 formatted in my computer, has been working in my Sony car radio a...