I hold the Option key on boot but only Macintosh HD and Recovery HD show up, no external drives.
What am I doing wrong?
What am I doing wrong?
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Installed Mountain Lion on ext. drive but doesn't show up on boot
- Thread starter petrucci666
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simsaladimbamba
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Does it show up in System Preferences > Startup Disk when booted from the OS on the internal HDD?
I guess, the external HDD is properly formatted?
I guess, the external HDD is properly formatted?