HS_vaine tentative récupération données d'un disque dur planté

Bonsoir
J'ai tenté de récupérer les données d'un dd de portable planté
appartenant à un membre de ma famille. Aucune partition, aucune donnée
récupérable.
Si quelqu'un a une idée, merci d'avance Entre nous, c'est mal parti.
Pour moi, ce disque a un problème électronique, mais on ne sait jamais

Taille disque dur impossible à déterminer (dd = +- 350 GB => 2199 GB lus!!)
=> échec
Programmes utilisés:
testdisk
ddrescue
photorec
GNU Fdisk 1.2.5
smartctl
hdparm

Les faits:
-le portable était en dual boot linux-w$
- le portable tournait sur w$, soudain freeze écran, système bloqué,
écran noir lors tentative reboot
- dd démonté puis connecté à un boitier usb externe
- connection du dd via usb à mon PC

Résultat des tentatives de récupération:
##########################################################################################################
fdisk /dev/sdb
Using /dev/sdb

Command (m for help): p

Disk /dev/sdb: 2199 GB, 2199020382720 bytes
255 heads, 63 sectors/track, 267349 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

##########################################################################################################
ddrescue -f -d -r3 -n -v /dev/sdb /dev/sdc /mnt/prov/logfile-2


GNU ddrescue 1.17
About to copy 2199 GBytes from /dev/sdb to /dev/sdc
Starting positions: infile = 0 B, outfile = 0 B
Copy block size: 128 sectors Initial skip size: 128 sectors
Sector size: 512 Bytes

Press Ctrl-C to interrupt
Initial status (read from logfile)
rescued: 0 B, errsize: 2199 GB, errors: 1
Current status
rescued: 0 B, errsize: 2199 GB, current rate: 0 B/s
ipos: 2199 GB, errors: 1, average rate: 0 B/s
opos: 2199 GB, time since last successful read: 10.7 m
Finished

##########################################################################################################
smartctl -a /dev/sdb
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.22] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

START OF INFORMATION SECTION
Model Family: Seagate Momentus 5400.6
Device Model: ST9500325AS
Serial Number: 6VEW3V2P
LU WWN Device Id: 5 000c50 0378c6499
Firmware Version: 0003
Rotation Rate: 5400 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 2.6, 3.0 Gb/s
Local Time is: Thu Jan 9 12:26:40 2014 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

Read SMART Data failed: scsi error medium or hardware error (serious)

START OF READ SMART DATA SECTION
SMART overall-health self-assessment test result: UNKNOWN!
SMART Status, Attributes and Thresholds cannot be read.

Read SMART Log Directory failed: scsi error medium or hardware error
(serious)

Read SMART Error Log failed: scsi error medium or hardware error (serious)

Read SMART Self-test Log failed: scsi error medium or hardware error
(serious)

Selective Self-tests/Logging not supported

##########################################################################################################
hdparm -t -T /dev/sdb

/dev/sdb:
read() failed: Input/output error
Timing buffered disk reads: read() failed: Input/output error

##########################################################################################################
hdparm -I /dev/sdb

/dev/sdb:

ATA device, with non-removable media
Model Number: ST9500325AS
Serial Number: 6VEW3V2P
Firmware Revision: 0003
Transport: Serial
Standards:
Used: unknown (minor revision code 0x0029)
Supported: 8 7 6 5
Likely used: 8
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 0
LBA48 user addressable sectors: 0
Logical/Physical Sector size: 512 bytes
device size with M = 1024*1024: 8063 MBytes
device size with M = 1000*1000: 8455 MBytes (8 GB)
cache/buffer size = 8192 KBytes
Nominal Media Rotation Rate: 5400
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Advanced power management level: 128
Recommended acoustic management value: 254, current value: 0
DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5 udma6
Cycle time: min0ns recommended0ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control0ns IORDY flow control0ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
* Advanced Power Management feature set
SET_MAX security extension
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
* General Purpose Logging feature set
* 64-bit World wide name
* IDLE_IMMEDIATE with UNLOAD
Write-Read-Verify feature set
* WRITE_UNCORRECTABLE_EXT command
* {READ,WRITE}_DMA_EXT_GPL commands
* Segmented DOWNLOAD_MICROCODE
* Gen1 signaling speed (1.5Gb/s)
* Gen2 signaling speed (3.0Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
Device-initiated interface power management
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Read/Write Long (AC1), obsolete
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
unknown 206[12] (vendor specific)
Security:
Master password revision code = 65534
2min for SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 5000c500378c6499
NAA : 5
IEEE OUI : 000c50
Unique ID : 0378c6499
Checksum: correct
--
Maderios


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