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How to use TestDisk to recover lost partition
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thark
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Joined: 10 Mar 2012, 21:28

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#1 Post by thark » 10 Mar 2012, 21:35

Was using my laptop then froze it and crashed. Tried to restart, now it says error , operating system not found. So i found testdisk and now trying it. It found my HD when i connected my laptop HD to another computer. Got to the part where to do a quick search. But it hasn't moved since I started the quick search (been like 2 hrs). any advice? should it take this long? Thanks.
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Fiona
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Re: New User

#2 Post by Fiona » 10 Mar 2012, 21:53

Laptops often using another geometry of 240 heads.
It's only a check, but I'll see, if it makes any difference?

Confirm in TestDisk through until you see the menu Analyse.
Your affected disk must be selected and partition table type Intel chosen.
Don't confirm at Analyse, but Geometry!
Check Heads.
Change the value to 240.
Press enter.
Check OK and hit enter to leave the menu.
Go to Analyse and repeat your Diagnose.
Upload a screen from Analyse (the current partition structur) and a screen from Quick Search (Result).

Further information will follow.
It's only a diagnose, you'll not change anything.

thark
Posts: 7
Joined: 10 Mar 2012, 21:28

Re: New User

#3 Post by thark » 10 Mar 2012, 22:57

changed the head.. now its analyzing the cylinders! thank you. seems like its going to be a long analysis. 6/12910 in like 25 mins.

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Fiona
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Re: New User

#4 Post by Fiona » 10 Mar 2012, 23:09

Would it be possible to upload the screen after Analyse from your current partition structur?

thark
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Joined: 10 Mar 2012, 21:28

Re: New User

#5 Post by thark » 10 Mar 2012, 23:19

Here it is.
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Fiona
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Re: New User

#6 Post by Fiona » 10 Mar 2012, 23:29

There are read errors in sectors.
Please quit TestDisk:
I don't want to stress your disk as much.
In your TestDisk folder, you'll find a file testdisk.log.
Can you copy the content and paste it here?

thark
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Joined: 10 Mar 2012, 21:28

Re: New User

#7 Post by thark » 10 Mar 2012, 23:39

I just copied the first part of it.. was pretty long
****************************************************
Sat Mar 10 16:36:14 2012
Command line: TestDisk

TestDisk 6.14-WIP, Data Recovery Utility, March 2012
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 7 (7601) SP1
Compiler: GCC 4.6, Cygwin 1007.9
Compilation date: 2012-03-10T17:24:14
ext2fs lib: 1.41.8, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20100226
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=320072933376
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=100030242816
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=320072933376
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=100030242816
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=308326432768
filewin32_getfilesize(\\.\D:) GetFileSize err Incorrect function.

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

Warning: can't get size for \\.\D:
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\Q:)=10485760000
Hard disk list
Disk /dev/sda - 320 GB / 298 GiB - CHS 38913 255 63, sector size=512 - HITACHI HTS723232A7A, S/N:3E385436SHNTNE, FW:EC2Z
Disk /dev/sdb - 100 GB / 93 GiB - CHS 12161 255 63, sector size=512 - Initio INIC-1610P, S/N:071111DP0210DPG2ANWP, FW:2.02

Partition table type (auto): EFI GPT
Disk /dev/sdb - 100 GB / 93 GiB - Initio INIC-1610P
Partition table type: Intel
New geometry
Disk /dev/sdb - 100 GB / 93 GiB - CHS 12922 240 63 sector_size=512

Analyse Disk /dev/sdb - 100 GB / 93 GiB - CHS 12922 240 63
Current partition structure:
No partition is bootable
Ask the user for vista mode
search_vista_part: 1

search_part()
Disk /dev/sdb - 100 GB / 93 GiB - CHS 12922 240 63
file_pread(5,16,buffer,38(0/0/39)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,40(0/0/41)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,42(0/0/43)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,48(0/0/49)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,95(0/1/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,111(0/1/49)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,158(0/2/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,34(0/0/35)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,43(0/0/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,46(0/0/47)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,98(0/1/36)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,98(0/1/36)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,119(0/1/57)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,169(0/2/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,63(0/1/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,66(0/1/4)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,71(0/1/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,79(0/1/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,126(0/2/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,142(0/2/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,189(0/3/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,2111(0/33/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,1008(0/16/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,1016(0/16/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,1071(0/17/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,1087(0/17/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,1087(0/17/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,1134(0/18/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,3056(0/48/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,1079(0/17/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,1079(0/17/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,1150(0/18/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,1150(0/18/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,1197(0/19/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,2048(0/32/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,2053(0/32/38)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,2056(0/32/41)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,2111(0/33/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,2127(0/33/49)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,2133(0/33/55)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,2174(0/34/33)) ReadFile Data error (cyclic redundancy check).

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Fiona
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Re: New User

#8 Post by Fiona » 11 Mar 2012, 00:12

It looks like that there are only read errors.

Can you put your disk back into your laptop and repeat your diagnose using a live CD?
http://www.cgsecurity.org/wiki/TestDisk_Livecd
It might be possible that you don't run into CRC-errors.
You will get it, if no read error appears, when you run Quick Search.
If you still see read error on your screen, please stop your scan right now and let me know.
I'll avoid stressing your harddrive.
You don't need to change your geometry.

If you have trouble using a LiveCD, please let me know.

thark
Posts: 7
Joined: 10 Mar 2012, 21:28

Re: New User

#9 Post by thark » 12 Mar 2012, 00:32

Tried Bootmed, and UBCD .. no luck so far to get a workin livecd (USB) ... which one do you recommend? Both seem to get to a point and stall and do nothing before even gettin to Testdisk.

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cgrenier
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Re: New User

#10 Post by cgrenier » 12 Mar 2012, 09:14

Dos your harddisk make an unusual repeated noise ? I wonder if the disk head isn't damaged, it can explain why all read operations failed.

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