Western Digital 500GB My Book World Edition 500 GB Hard Drive "computer electronics 3rd" Questions

...computer just in case its the case's electronics. If it still clicks, gently whack the drive (out of the case again) on one of the sides to see if it frees up the stuck part. I find this works about ...

...electronics on the controller side aren't shorting to anything. (06) Power up the computer and, if necessary, enter the BIOS to add the drive or enable the SATA port it's on. (07) Now go on to boot ...