Use 'recover partition' to recover files from WD external hard drive unknown not initialized i/o error partition,lost partition,changed ,damaged partition.And if the size or position of partition is changed by format,It can not recover with 'unformat'so you can use 'recover partition'mode.
Use 'unformat' to recover data from WD external hard drive unknown not initialized i/o error after quick format,full format,accidentally formatted,reformatting,High-level formatting,Low-level formatting. WD external hard drive unknown not initialized i/o error, disk 1 unknown not initialized western digital unallocated,WD My Passport Ultra 1TB not Initializing - 1tb wd data recovery in Windows 10 7 8 pc ntfs exfat raw fat32.
