Partition Recovery problem with SSD

How to use TestDisk to recover lost partition
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Author
natec
Posts: 2
Joined: 27 Dec 2020, 21:56

Partition Recovery problem with SSD

#1 Post by natec »

Hello,
I have a 512 GB Samsung SSD. The disk had one partition for the entire capacity.
The Windows 10 installer probably formatted the entire drive and created a 32 GB partition with the Windows 10 installer.
Currently, the disk is seen in Windows as 476 GB of free space.
Normally, a search in TestDisk shows only a 32 GB partition. After using the search options, the program shows two partitions:

Disk / dev / sdb - 512 GB / 476 GiB - CHS 62260 255 63 Partition Start End Size in sectors
D FAT32 LBA 0 32 33 4177 117 36 67108864 [EFI System Partition] [ESD-USB]
D HPFS - NTFS 0 32 33 62 260 88 36 1000 210 432

Structure: Ok. Use Up/Down Arrow keys to select partition. Use Left/Right Arrow keys to CHANGE partition characteristics: *=Primary bootable P=Primary L=Logical E=Extended D=Deleted Keys A: add partition, L: load backup, T: change type, P: list files, Enter: to continue NTFS found using backup sector, blocksize=4096, 512 GB / 476 GiB[/size]

Using options on the 476 GB drive "P" displays the message: Can't open filesystem. Filesystem seems damaged.
I need to restore the 476 GB partition where my personal files were. Please help in this matter.
Thank you very much.
natec

Code: Select all



Sun Dec 27 21:26:17 2020
Command line: TestDisk

TestDisk 7.2-WIP, Data Recovery Utility, Novembre 2020
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org
OS: Windows 8 (9200)
Compiler: GCC 9.3, Cygwin 3001.4
ext2fs lib: 1.45.3, ntfs lib: 10:0:0, reiserfs lib: none, ewf lib: 20140608, curses lib: ncurses 6.1
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=256060514304
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=512110190592
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdc)=5000981077504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=256060514304
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=512110190592
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive2)=5000981077504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=239810379776
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=5000845590528
Hard disk list
Disk /dev/sda - 256 GB / 238 GiB - CHS 31130 255 63, sector size=512 - IM2P33F3 NVMe ADATA 256GB, S/N:0000_0000_0000_0000_0000_0000_0000_0001., FW:92009161
Disk /dev/sdb - 512 GB / 476 GiB - CHS 62260 255 63, sector size=512 - Samsung SSD 850 PRO 512G, S/N:0000AB123560, FW:8101
Disk /dev/sdc - 5000 GB / 4657 GiB - CHS 608001 255 63, sector size=512 - Seagate Expansion, S/N:NAAQ0FHJ, FW:0710

Partition table type (auto): Intel
Disk /dev/sdb - 512 GB / 476 GiB - Samsung SSD 850 PRO 512G
Partition table type: Intel

Analyse Disk /dev/sdb - 512 GB / 476 GiB - CHS 62260 255 63
Geometry from i386 MBR: head=255 sector=63
check_part_i386 1 type EE: no test
Current partition structure:
 1 P EFI GPT                  0   0  2 62260 131 63 1000215215
No partition is bootable

search_part()
Disk /dev/sdb - 512 GB / 476 GiB - CHS 62260 255 63
FAT32 at 0/32/33
FAT1 : 8196-16385
FAT2 : 16386-24575
start_rootdir : 24576 root cluster : 2
Data : 24576-67108863
sectors : 67108864
cluster_size : 64
no_of_cluster : 1048192 (2 - 1048193)
fat_length 8190 calculated 8190

FAT32 at 0/32/33
FAT: cluster=2(0x2), pos=26624
     FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]
     FAT32, blocksize=32768, 34 GB / 32 GiB
file_pread(5,2,buffer,1000216575(62260/153/37)) lseek err Invalid argument
file_pread(5,1,buffer,1000216575(62260/153/37)) lseek err Invalid argument
file_pread(5,2,buffer,1000216576(62260/153/38)) lseek err Invalid argument
file_pread(5,14,buffer,1000216578(62260/153/40)) lseek err Invalid argument
file_pread(5,3,buffer,1000216592(62260/153/54)) lseek err Invalid argument
file_pread(5,3,buffer,1000216639(62260/154/38)) lseek err Invalid argument
file_pread(5,8,buffer,1000216655(62260/154/54)) lseek err Invalid argument
file_pread(5,11,buffer,1000216702(62260/155/38)) lseek err Invalid argument
file_pread(5,2,buffer,1000218624(62260/186/7)) lseek err Invalid argument

Results
   * FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]
     FAT32, blocksize=32768, 34 GB / 32 GiB

interface_write()
 1 * FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]

search_part()
Disk /dev/sdb - 512 GB / 476 GiB - CHS 62260 255 63
FAT32 at 0/32/33
FAT1 : 8196-16385
FAT2 : 16386-24575
start_rootdir : 24576 root cluster : 2
Data : 24576-67108863
sectors : 67108864
cluster_size : 64
no_of_cluster : 1048192 (2 - 1048193)
fat_length 8190 calculated 8190

FAT32 at 0/32/33
FAT: cluster=2(0x2), pos=26624
     FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]
     FAT32, blocksize=32768, 34 GB / 32 GiB
FAT32 at 0/32/39
FAT1 : 8196-16385
FAT2 : 16386-24575
start_rootdir : 24576 root cluster : 2
Data : 24576-67108863
sectors : 67108864
cluster_size : 64
no_of_cluster : 1048192 (2 - 1048193)
fat_length 8190 calculated 8190
set_FAT_info: name from BS used

FAT32 at 0/32/39
FAT: cluster=2(0x2), pos=26624
     FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [NO NAME]
     FAT32, blocksize=32768, 34 GB / 32 GiB
NTFS at 62260/88/36
filesystem size           1000210432
sectors_per_cluster       8
mft_lcn                   786432
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS              0  32 33 62260  88 36 1000210432
     NTFS found using backup sector, blocksize=4096, 512 GB / 476 GiB
file_pread(5,2,buffer,1000216575(62260/153/37)) lseek err Invalid argument
file_pread(5,1,buffer,1000216575(62260/153/37)) lseek err Invalid argument
file_pread(5,2,buffer,1000216576(62260/153/38)) lseek err Invalid argument
file_pread(5,8,buffer,1000215296(62260/133/18)) lseek err Invalid argument
file_pread(5,1,buffer,1000215296(62260/133/18)) lseek err Invalid argument
file_pread(5,8,buffer,1000215424(62260/135/20)) lseek err Invalid argument
file_pread(5,8,buffer,1000215552(62260/137/22)) lseek err Invalid argument
file_pread(5,8,buffer,1000215680(62260/139/24)) lseek err Invalid argument
file_pread(5,8,buffer,1000215808(62260/141/26)) lseek err Invalid argument
file_pread(5,8,buffer,1000215936(62260/143/28)) lseek err Invalid argument
file_pread(5,8,buffer,1000216064(62260/145/30)) lseek err Invalid argument
file_pread(5,8,buffer,1000216192(62260/147/32)) lseek err Invalid argument
file_pread(5,8,buffer,1000216320(62260/149/34)) lseek err Invalid argument
file_pread(5,8,buffer,1000216448(62260/151/36)) lseek err Invalid argument
file_pread(5,1,buffer,1000216575(62260/153/37)) lseek err Invalid argument
file_pread(5,1,buffer,1000216576(62260/153/38)) lseek err Invalid argument

Results
     FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]
     FAT32, blocksize=32768, 34 GB / 32 GiB
     HPFS - NTFS              0  32 33 62260  88 36 1000210432
     NTFS found using backup sector, blocksize=4096, 512 GB / 476 GiB
$MFT has invalid magic.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
Failed to startup volume: Input/output error.
$MFT has invalid magic.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
$MFT has invalid magic.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
Failed to startup volume: Input/output error.
$MFT has invalid magic.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
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recuperation
Posts: 2736
Joined: 04 Jan 2019, 09:48
Location: Hannover, Deutschland (Germany, Allemagne)

Re: Partition Recovery problem with SSD

#2 Post by recuperation »

Did you try "deep search"?
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natec
Posts: 2
Joined: 27 Dec 2020, 21:56

Re: Partition Recovery problem with SSD

#3 Post by natec »

Yes, i tried "deep search: and i got answer about partition:

Code: Select all

Results
     FAT32 LBA                0  32 33  4177 117 36   67108864 [EFI System Partition] [ESD-USB]
     FAT32, blocksize=32768, 34 GB / 32 GiB
     HPFS - NTFS              0  32 33 62260  88 36 1000210432
     NTFS found using backup sector, blocksize=4096, 512 GB / 476 GiB
Next i got answer: Can't open filesystem. Filesystem seems damaged.
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recuperation
Posts: 2736
Joined: 04 Jan 2019, 09:48
Location: Hannover, Deutschland (Germany, Allemagne)

Re: Partition Recovery problem with SSD

#4 Post by recuperation »

With such a result only Photorec or any commercial solution would be the next step.
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