This is a simple enough question but I want to check in here and not grope around. I replaced a broken USB drive with a new WD My Book 4 TB USB drive. It uses exFAT file system. I used Recuva to retrieve the files on the old disc (called J. All the info shows up on the new disc (called N. When I click on My Computer to view the drives the N: drive shows the symbol for "software unknown". I get my files onto the disc OK via USB 3.0. I'm just curious as to why this happens, that the ordinary symbol for "Disk" isn't shown here. screen shot.doc