cgsecurity.org

Sun Apr 3 15:43:04 2016
Command line: TestDisk

TestDisk 7.1-WIP, Data Recovery Utility, February 2016
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 7 (7600)
Compiler: GCC 4.9, Cygwin32 2004.1
Compilation date: 2016-03-16T08:10:04
ext2fs lib: 1.42.8, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504, curses lib: ncurses 5.9
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=250000000000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=500107860992
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=250000000000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=500107860992
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=52427902464
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\D:)=157283771904
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=40279163904
filewin32_getfilesize(\\.\F:) GetFileSize err Incorrect function.

filewin32_setfilepointer(\\.\F:) SetFilePointer err Incorrect function.

Warning: can't get size for \\.\F:
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\G:)=500105249280
Hard disk list
Disk /dev/sda - 250 GB / 232 GiB - CHS 30394 255 63, sector size=512 - ST3250310AS, S/N:20202020202020202020202052364e5958365651, FW:4.ADA
Disk /dev/sdb - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - Mass Storage Device

Partition table type defaults to Intel
Disk /dev/sdb - 500 GB / 465 GiB - Mass Storage Device
Partition table type: Intel

Analyse Disk /dev/sdb - 500 GB / 465 GiB - CHS 60801 255 63
Current partition structure:

Partition: Read error

It looks like a hardware problem. If the disk is connected via USB, if possible, remove the disk from its case and connect it directly via SATA.
If nothing works, you will hve to contact a data recovery company.