If it a failing disk, and you dont have any backup, and its important data.
Have a look at a product callef SpinRite. It may bring the disk back from the dead long enough to get the data off
https://www.grc.com/sroverview.htm
Then 3 2 1 backup strategy for your future needs.
One of the interesting side effects of running it in an ssd is it can speed it up, it doesn't sound like it would be the case but it does.
None the less its still a valid option to consider.