USB external drives and Windows 10: Got me a backup RAID 3TB drive, 2 partitions, and all of a sudden windows 10 decided it would just see it as an unallocated 3TB thang. Never had such problems with windows 7 ..... But found AOMEI partition assistant (partition recovery) to be the hero of my day. But i just got me a 3TB drive to backup my backup drive LoL. -F