TestDisk stop after showing 86% Invalid FAT boot sector!
Posted: 26 Nov 2022, 10:28
I'll tell the story from the beginning. I have a removable hdd disk, 4T size, I think there are some bad sectors in the hdd disk. One day when I access some folder in this removable hdd disk, windows10 tells me it's bad (I can't really remember the exact words). Because I have some important files in this folder, so I naively use checkdsk to fix the problem. Then boom, windows10 can't access the whole hdd disk, only list the driver letter in explore panel. Each time I click this driver letter, windows10 ask me to format this driver. 
I assume it's because the lost of the hdd partition table. So I use TestDisk Analyze --> Quick Search menu to find the lost partition table. But when TestDisk proceed to 86% TestDisk cannot move forward anymore, and the hdd yells and moans all the time. I'll show you my screens. TestDisk version is the newest 7.2.
What should I do now, it now stopped moving on at 86%? Should I still use Analyze --> Quick Search to repair the partition table? And the cause of my hdd access failure is lost of partition table? Any tips would be appreciated. Thanks in advance. (I'm really devasted, I'm waiting for any help!)


I assume it's because the lost of the hdd partition table. So I use TestDisk Analyze --> Quick Search menu to find the lost partition table. But when TestDisk proceed to 86% TestDisk cannot move forward anymore, and the hdd yells and moans all the time. I'll show you my screens. TestDisk version is the newest 7.2.
What should I do now, it now stopped moving on at 86%? Should I still use Analyze --> Quick Search to repair the partition table? And the cause of my hdd access failure is lost of partition table? Any tips would be appreciated. Thanks in advance. (I'm really devasted, I'm waiting for any help!)
