Incorrect number of heads and cylinder

How to use TestDisk to recover lost partition
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dutty
Posts: 1
Joined: 12 Jan 2013, 15:32

Incorrect number of heads and cylinder

#1 Post by dutty » 12 Jan 2013, 15:37

Hi,

All my files on my external hard drive (NTFS Stor.E Canvio Toshiba 500Gb) have been replaced by a folder named "found.000" that I cannot access.

I used Testdisk to try to recover files/partitions and the following messages showed up

Code: Select all

Disk /dev/rdisk2 - 500 GB / 465 GiB - 976773168 sectors (RO)                    
Current partition structure:                                                    
     Partition                  Start        End    Size in sectors             

Warning: number of heads/cylinder mismatches 255 (NTFS) != 1 (HD)               
Warning: number of sectors per track mismatches 63 (NTFS) != 1 (HD)             
 1 P HPFS - NTFS                 2048  976771119  976769072 [TOSHIBA EXT]       

Warning: Bad starting sector (CHS and LBA don't match)                          
No partition is bootable                                                        

0 D FAT32 715093261 1896786745 1181693485 
FAT32 715093261 1896786745 1181693485 
check_FAT: can't read FAT boot sector 
Invalid FAT boot sector 
0 D FAT16 LBA 2125262773 5909813675 3784550903 
FAT16 LBA 2125262773 5909813675 3784550903 
check_FAT: can't read FAT boot sector 
Invalid FAT boot sector 
0 D FAT32 LBA 1365415759 2816414404 1450998646 
FAT32 LBA 1365415759 2816414404 1450998646 
check_FAT: can't read FAT boot sector 
Invalid FAT boot sector 
0 D FAT12 2873871126 2963834879 89963754 
FAT12 2873871126 2963834879 89963754 
I did not dare to change anything on the drive's geometry because when I scan my drive with Data Rescue they are found and I know I will be able to recover them that way but I thought fixing the geometry of the drive might also fix it and it would probably be faster.

How can I solve this problem?

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