どうでしょうか
あきらめたほうがいいですか？
TestDisk 7.2-WIP, Data Recovery Utility, January 2020
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org
Disk /dev/sdc - 4000 GB / 3726 GiB - CHS 486401 255 63
Analyse cylinder 397739/486400: 81%
check_FAT: Bad jump in FAT partition
check_FAT: Bad number of sectors per cluster
Unknown 407607415 505122410614 504714803200
Unknown 844076852 3287939632 2443862781
Unknown 886397027 1970434582626 1969548185600 [H'Xf2
Unknown 1304191171 31591264946 30287073776 [b~^~MiM-y ]
check_FAT: Bad number of sectors per cluster
check_FAT: Bad number of sectors per cluster
check_FAT: Bad number of sectors per cluster
check_FAT: Bad jump in FAT partition
check_FAT: Bad jump in FAT partition
Unknown 4655186538 8534970996 3879784459
