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I have been working on fixing my bootcamp partition, but in the process I make a big mistake. I ran 'bootrec /fixmbr' and bootrec /fixboot on the wrong disk. My data is now inaccessible, if not lost.

I have ran testdisk and it has found a partition, but it does not see any files. Rather than cause more damage I decided to come here.

The disk worked fine before I ran those commands. It was formatted as exFat. I am in the process of backing up the partition right now before I try anything further.

I can post any info that is requested. I am not currently at the computer but will be soon. Thank you.

Edit - Here is some more info -

diskutil list  
/dev/disk1 (internal, physical):
#:                       TYPE NAME                    SIZE       IDENTIFIER  
0:     FDisk_partition_scheme                        *750.2 GB   disk1  
1:               Windows_NTFS                         750.2 GB   disk1s1  

sudo gpt -r -vvvv show /dev/disk1  
gpt show: /dev/disk1: mediasize=750156374016; sectorsize=512; 
blocks=1465149168  
gpt show: /dev/disk1: MBR at sector 0  
gpt show: /dev/disk1: MBR part: type=7, start=2048, size=1465143296  
       start        size  index  contents  
           0           1         MBR  
           1        2047           
        2048  1465143296      1  MBR part 7  
  1465145344        3824 

Testdisk

Disk /dev/rdisk1 - 750 GB / 698 GiB - 1465149168 sectors
Current partition structure:
 Partition                  Start        End    Size in sectors

 1 * HPFS - NTFS                 2048 1465145343 1465143296

Warning: Bad starting sector (CHS and LBA don't match)

Then

Warning: the current number of heads per cylinder is 1
but the correct value may be 128.
You can use the Geometry menu to change this value.
It's something to try if
- some partitions are not found by TestDisk
- or the partition table can not be written because partitions overlap.

Next Screen

  HPFS - NTFS                 2048 1465145343 1465143296
Invalid FAT boot sector
     0 D FAT16 >32M            1109994229 1865553126  755558898
         FAT16 >32M            1109994229 1865553126  755558898
Yen
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