External Hard Drive Trouble

MarCadeau279

Registered
Alright, I'll just sum up the problem and story right here.
So deal is;
I've got an iMac (07), and a couple days ago, it had an internal hard drive failure, so I arranged an appointment at my closest Apple store. At the store the Tech-Guy told me I could just buy a new External Hard Drive, and re-install Mac OS X onto there, and use THAT hard drive, as the hard drive to run my whole computer on. So, I picked up a Western Digital "My Book: Studio Edition External Hard Drive" (as suggested) and brought it home.

I tried out my iMac again, and held the option key, as I recalled the Tech-Guy pressing to access the possible hard drives. When doing so, the only available option, was the Mac OS installation disc (which was left in the iMac). So I ejected the disc, and re-booted my iMac. When turning it on the next time, it was completely functional and all my files and programs were once again accessible. So in a heart-beat, I decided to back up all the files in case of a hard drive failure. Sure enough, 4 hours later, after backing-up the files and re-booting the iMac, the internal drive was no longer available.

So I at least had all my files backed-up, but I still wanted to USE my computer. So I connected my external hard drive and held the "Option" key during booting and all that appeared was the dreaded, "Folder with the ?" icon.
So I rebooted with the installation disc in the disc drive, remembering the Apple employee mentioning something about making a "partition", but I have no clue how to make the right sort of partition, that will let me run/install Mac OS X on it.

Some one please help me with some advice. I just bought quite the amount of recording equipment, and am very eager to get started. ^ ^P
 
Apparently, Wester Digital advises against using the MyBooks to actually boot a computer -- a lot of external Western Digital drives have an "auto-spindown" function in their firmware for power saving that doesn't play nicely with actually booting from the drive.

My suggestion would be to return the drive to the store, citing many references on the internet about how Western Digital myBooks are not completely supported by Western Digital for booting and kindly ask for a different model of external drive.
 
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