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Newbie looking for expertise on use of testdisk to recover a partition on my hard drive currently accessible only with testdisk (windows chkdsk freezes at 4%), this is the main hard drive for my Toshiba laptop (win 10), which stopped working (Blue screen NTFS file error). I removed the HD in placed in external case in an effort to correct the corrupt boot file, I've attached a screen shot of what testdisk is showing me, I don't know where to go from here and don't want to do something that could further damage any files..help... sos...Ugh thank you in advance

D: is a partition of your disk. It's useless to search partitions inside a partition.
As chkdsk freeze, it may be because of bad sectors. You should clone your disk to a new empty using ddrescue.
Read https://www.cgsecurity.org/testdisk.pdf chapters "Creating a live USB" and "DDRescue: data recovery from damaged disk".
Once it's done, remove the damaged disk and try to recover your data from the clone.

cgrenier wrote:D: is a partition of your disk. It's useless to search partitions inside a partition.
As chkdsk freeze, it may be because of bad sectors. You should clone your disk to a new empty using ddrescue.
Read https://www.cgsecurity.org/testdisk.pdf chapters "Creating a live USB" and "DDRescue: data recovery from damaged disk".
Once it's done, remove the damaged disk and try to recover your data from the clone.

Thank you cgrenier, I'm wondering if I can use the TestDisk: Repairing FAT boot sector to repair the boot file?

megster wrote:

cgrenier wrote:D: is a partition of your disk. It's useless to search partitions inside a partition.
As chkdsk freeze, it may be because of bad sectors. You should clone your disk to a new empty using ddrescue.
Read https://www.cgsecurity.org/testdisk.pdf chapters "Creating a live USB" and "DDRescue: data recovery from damaged disk".
Once it's done, remove the damaged disk and try to recover your data from the clone.

Thank you cgrenier, I'm wondering if I can use the TestDisk: Repairing FAT boot sector to repair the boot file?

or repair the Bad Sector?