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by: socratesphiloPosted on 2009-11-03 at 07:17:13ID: 25729724
I would check to make sure the SATA cables are connected firmly.
I'm not sure exactly what process you're using to wipe the drive, but here's what I'd do:
After checking the cables, boot from a Mac OS installer CD/DVD.
Once the installer comes up, select english, and click continue. Then go to "Utilities" at the top of your screen, and choose "disk utility."
When disk utility pops up, select the WD hard drive on the left hand side by clicking once on it.
Then go to the "erase" tab on the right hand side. Make sure you are formatting as Mac OS Extended (Journaled) and type in a name, then click "erase."
If it fails at erasing the drive, it's possible you have a bad drive.
However, if you get past that, you can then close out of disk utility and continue the normal OS install process.
NOTE: You can also use disk utility on your other mac hard drive if you'd like, but if disk utility is corrupt my steps mentioned would rule that out.