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#21
I would go even further. Make sure you have your data backed up before the HDD becomes problematic. In other words, if you make frequent, routine backups, you will lose little to no data when a drive goes belly-up and will not need to worry about (and/or spend large amounts of money) restoring or recovering your data.
While we can discuss a variety of backup routines here, and there are many good ones out there, when reduced down to the very basics, one's data needs to exist in at least three places with each place disconnected from the others, except when updating backups, to be reasonably safe. An example would be data on a computer, an onsite backup such as on an external HDD stored on a drawer away from the computer (in another room if practical), and an offsite backup such as an external HDD in a locked drawer or locker at work, at a trusted friend's or relative's home, or a safe deposit box at a bank. A good, paid cloud backup service can also serve as an offsite backup as long as one has the monthly bandwith needed available.