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

[stevef]

With the SSD connected, run this command in a terminal - enter your password if asked.

Code:

sudo fdisk -l

This command with the -l option lists partitions connected to your system.
Next, run this command

Code:

lsblk

This command lists block storage devices connected to the system along with mount status
Please post the results of both commands.