Hmmm
You can try that HDD On another computer and in another SATA port of the same computer
Maybe some problems with the calibration of the drive ( this is bad) or simply a BAD sata port…
I have one of that hard drives Oldies but good ones… so im still in hope thinking that may be not the drive
for now my wd5000aaks se16 is on a set up box recording TV shows in HD