My external device SSD not able to mount for my data files

[stevef]

Without adding or removing any devices so that the sdc device doesn't change, please run these commands to examine the block information on the SSD
You may need to enter your password

Code:

sudo dumpe2fs -h /dev/sdc5

Code:

sudo dumpe2fs /dev/sdc5 | grep superblock

Post back with the results

Edit - Typo was "dump2fs" in original. Corrected to "dumpe2fs"