Disques durs internes ne fonctionnent pas

Comment utiliser TestDisk pour récupérer une partition perdue
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sparetacus
Posts: 2
Joined: 17 Feb 2019, 10:21

Disques durs internes ne fonctionnent pas

#1 Post by sparetacus » 17 Feb 2019, 16:04

Bonjour
Je vous remercie de votre accueil et je vais décrire mes préoccupations simplement. L'ordinateur de mon fils ne fonctionnait plus. Il est équipé de deux disques durs internes branchés chacun sur une connexion SATA. Les HDD sont: HDD1-WD de 500G et HDD2-Seagate de 500G. En premier dépannage j'ai remplacé la pile bouton usagée et l’ordinateur a redémarré. Mais l'écran a indiqué de presser une touche car il ne pouvait pas démarrer (désolé je ne me souviens pas du texte en anglais). J'ai alors utilisé la touche F8 pour sélectionner le disque. Mais des messages d'erreur sont apparus : pour HDD1 "reboot et select proper boot device ... " et HDD2 "BootMGR absent ctrl+alt+suppr pour redémarrer". j'ai alors utilisé un disque de réparation w7 pour tenter d’accéder aux HDD. A partir du CD de réparation j'ai choisi l'invite DOS et j'ai identifié les disques C: et D:. Ensuite j'ai tenté de lance un CHKDSK/F et l'utilitaire a indiqué des erreurs en mettant un temps très long pour fonctionner. CHKDSK interminable pour HDD1 et bloqué à 63% pour HDD 2
photos_Page_2.jpg
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Ensuite j'ai utilisé une version dos de testdisk que je lance à partir d'une clé USB bootable.
voici le log
J'ai constaté qu'au bout d'une heure de fonctionnement les disques tournaient normalement mais après redémarrage du PC HDD2 n'était plus reconnu par F8 ou testdisk.
Je vous suis reconnaissant de m'avoir lu et je reste à votre disposition pour plus d'éléments d'information. Merci de vos conseils

Sun Feb 17 15:50:25 2019
Command line: TestDisk

TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: DOS
Compiler: djgpp 2.3
Compilation date: Apr 18 2015 13:01:41
ext2fs lib: 1.42.8, ntfs lib: libntfs-3g, reiserfs lib: 0.3.1-rc8, ewf lib: none, curses lib: pdcurses build 2401
Disk 80 - 7945 MB / 7577 MiB - CHS 966 255 63
Disk 80 Enhanced BIOS EDD-3.0 - R/W/I - Identify
LBA 15523840, computed 15518790 (CHS=966,255,63)
hd_identify_enh_bios
Disk 80 - 7948 MB / 7580 MiB - CHS 966 255 63
LBA size=15523840
Disk 81 - 8422 MB / 8032 MiB - CHS 1024 255 63
Disk 81 Enhanced BIOS EDD-3.0 - R/W/I - Identify
Computes C from number of sectors
LBA 976773168, computed 976773168 (CHS=969021,16,63)
hd_identify_enh_bios
Disk 81 - 500 GB / 465 GiB - CHS 969021 16 63
LBA size=976773168
Disk 82 - 8422 MB / 8032 MiB - CHS 1024 255 63
Disk 82 Enhanced BIOS EDD-3.0 - R/W/I - Identify
Computes C from number of sectors
LBA 976773168, computed 976773168 (CHS=969021,16,63)
hd_identify_enh_bios
Disk 82 - 500 GB / 465 GiB - CHS 969021 16 63
LBA size=976773168
Hard disk list
Disk 80 - 7948 MB / 7580 MiB - CHS 966 255 63, sector size=512
Disk 81 - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512
Disk 82 - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512

Partition table type (auto): Intel
Disk 81 - 500 GB / 465 GiB
Partition table type: Intel

Analyse Disk 81 - 500 GB / 465 GiB - CHS 60801 255 63
Geometry from i386 MBR: head=255 sector=63
NTFS at 0/32/33
Current partition structure:
1 P HPFS - NTFS 0 32 33 60801 47 46 976769024
No partition is bootable

search_part()
Disk 81 - 500 GB / 465 GiB - CHS 60801 255 63
NTFS at 0/32/33
filesystem size 976769024
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 60801 47 46 976769024
NTFS, blocksize=4096, 500 GB / 465 GiB
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk

Results
* HPFS - NTFS 0 32 33 60801 47 46 976769024
NTFS, blocksize=4096, 500 GB / 465 GiB

interface_write()
1 * HPFS - NTFS 0 32 33 60801 47 46 976769024

search_part()
Disk 81 - 500 GB / 465 GiB - CHS 60801 255 63
NTFS at 0/32/33
filesystem size 976769024
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 60801 47 46 976769024
NTFS, blocksize=4096, 500 GB / 465 GiB
disk_pread_aux failed lba=6408208(398/227/38) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6408255(398/228/22) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6408256(398/228/23) nbr_sector=1, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6408318(398/229/22) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6410240(399/4/54) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6410241(399/4/55) nbr_sector=1, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409934(398/254/63) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409935(399/0/1) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409936(399/0/2) nbr_sector=16, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409937(399/0/3) nbr_sector=1, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409943(399/0/9) nbr_sector=8, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409951(399/0/17) nbr_sector=3, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6409998(399/1/1) nbr_sector=3, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6410014(399/1/17) nbr_sector=8, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux failed lba=6410061(399/2/1) nbr_sector=11, rc=16
uncorrectable CRC or ECC error on read
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
Search for partition aborted

Results
* HPFS - NTFS 0 32 33 60801 47 46 976769024
NTFS, blocksize=4096, 500 GB / 465 GiB

interface_write()
1 * HPFS - NTFS 0 32 33 60801 47 46 976769024
simulate write!

write_mbr_i386: starting...
write_all_log_i386: starting...
No extended partition
Partition table type (auto): Intel
Disk 82 - 500 GB / 465 GiB
Partition table type: Intel

Analyse Disk 82 - 500 GB / 465 GiB - CHS 60801 255 63
Geometry from i386 MBR: head=255 sector=63
NTFS at 0/32/33
Current partition structure:
1 * HPFS - NTFS 0 32 33 60801 47 46 976769024

search_part()
Disk 82 - 500 GB / 465 GiB - CHS 60801 255 63
NTFS at 0/1/1
filesystem size 25173792
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 1573361
clusters_per_mft_record -10
clusters_per_index_record 1
HPFS - NTFS 0 1 1 1566 254 63 25173792
NTFS, blocksize=4096, 12 GB / 12 GiB
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
disk_pread_aux: Don't read after the end of the disk
Search for partition aborted
get_geometry_from_list_part_aux head=255 nbr=2
get_geometry_from_list_part_aux head=8 nbr=1
get_geometry_from_list_part_aux head=16 nbr=1
get_geometry_from_list_part_aux head=32 nbr=1
get_geometry_from_list_part_aux head=64 nbr=1
get_geometry_from_list_part_aux head=128 nbr=1
get_geometry_from_list_part_aux head=240 nbr=1
get_geometry_from_list_part_aux head=255 nbr=2

Results
* HPFS - NTFS 0 1 1 1566 254 63 25173792
NTFS, blocksize=4096, 12 GB / 12 GiB

interface_write()
1 * HPFS - NTFS 0 1 1 1566 254 63 25173792
simulate write!

write_mbr_i386: starting...
write_all_log_i386: starting...
No extended partition

TestDisk exited normally.

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cgrenier
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Re: Disques durs internes ne fonctionnent pas

#2 Post by cgrenier » 18 Feb 2019, 10:19

The log indique de nombreuses erreurs CRC/secteurs défectueux. Il faudrait cloner le disque avec ddrescue vers un disque vierge comme indiqué sur https://www.cgsecurity.org/testdisk.pdf

sparetacus
Posts: 2
Joined: 17 Feb 2019, 10:21

Re: Disques durs internes ne fonctionnent pas

#3 Post by sparetacus » 22 Feb 2019, 13:47

bonjour et merci pour ce conseil. Je vais tenter le clonage dès que je dispose d'un HDD de taille adaptée.

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