Well, I ran a SMART test and it failed
I'm still able to access the HDD's contents, though copying stuff across is VERY slow, but appears to be working. Is there anything you can suggest, or is about all I can do is try and see what will copy across? In that case, what's the best way to go about this? Should I copy files at a time? All in one shot? Might some files already be corrupt but some not?