External Hard drive has changed to RAW file system

TestDisk Step By Step - CGSecurity section "NTFS Boot sector recovery". Is Boot sector OK? Backup Boot sector OK? Are they the same?

Recovering An NTFS Boot Sector On An NTFS Partition Using Its Backup

TestDisk can use the backup boot sector to fix a corrupted NTFS boot sector. The primary boot sector is sector zero of the filesystem and the backup NTFS boot sector is located near the end of the filesystem. Even if the boot sector is accidentally overwritten, the backup should be intact. TestDisk checks the boot sector and the backup boot sector. If the boot sector and backup boot sector mismatch, you can

• restore the NTFS boot sector from its backup (Backup BS) or;
• update the backup NTFS boot sector with the current boot sector (Org. BS).

Dump can used to display the boot sector content in both hexadecimal and ASCII. If there is no valid boot sector available, TestDisk can still rebuild an NTFS boot sector.
Rebuilding An NTFS Boot Sector On An NTFS Partition

If both NTFS boot sectors are corrupted and you need to rebuild the NTFS boot sector, TestDisk searches the MFT (Master File Table: $MFT) and its backup ($MFTMirr). It reads the MFT record size, it computes the cluster size, and it reads the size of the Index Allocation Entry in the root directory index. Using all these values, TestDisk can provide a new boot sector. Finally it lets the user list the files before writing.
Repair An NTFS MFT

The MFT (Master File Table) is sometimes corrupted. If Microsoft's Checkdisk (chkdsk) failed to repair the MFT, run TestDisk. In the Advanced menu, select your NTFS partition, choose Boot, then Repair MFT. TestDisk will compare the MFT and MFT mirror (its backup). If the MFT is damaged, it will try to repair the MFT using the backup. If the MFT backup is damaged, it will use the main MFT.

Type=07 so NTFS. All diskpart output is as expected. No problems at all. It even has a drive letter J.
Only problem it is RAW.....

Very strange.... never seen that. Maybe try the linux version of testdisk (?) Or post in a testdisk forum

Boot to Advanced Boot Options then "repair your computer" then command prompt.

Code:

diskpart
select disk 5
select part 1
detail part
--- only continue if this is the RAW partition? --- 
exit
 
bootsect /nt60  Q:
--- replace Q with actual drive letter of RAW partition found above ---

Post results

Very strange. Still in recovery environment->command prompt:

Code:

dir/s  X:\bootsect.exe

Where is bootsect.exe ? For example in x:\windows\blabla . then

Code:

copy  x:\windows\blabla\bootsect.exe  c:\

Succesfull? If so, boot in win7 normally. Now Elevated Command Prompt then:

Code:

c:\bootsect.exe /nt60  j:  /force

post results

Screenshots are impossible in that mode.

Please do:

Code:

copy  x:\Windows\System32\bootsect.exe  c:\