Unless you keep all 512GB of your local files backed up to the cloud, having your computer drive crash on you is one of the worst nightmares there is. Just imagine being unable to access your precious ...
There are a variety of maintenance routines that people can run in OS X, including the disk verification and permissions repair that come with the system, along with scripts such as cache cleaners ...
When you boot your HP computer and it fails to boot and throws the SMART Hard Disk Error 301, 302, 309, 30A, 30B, 30C, 3F1, or 3F2, then the fixes we have presented ...
No, there is no way to underclock (or overclock, for that matter) a HDD. The tracks on the drive are laid out assuming a particular clock speed. The timing gets thrown off if the rpm is off too much.