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  1. #1

    Member Since
    Dec 30, 2010
    7k feet in Central New Mexico
    Mac quad 8, Os X.8.5 6gig ram for now
    boot to alternate drive in X.5.8
    That's it pretty much. I'm getting spinning beach balls when I shouldn't. Tried booting w/C held down and it didn't work. Just prior to that on first boot of the day there was a long delay then I got a circle/w a line thru it where the apple should be. There is 4 gig and change in the memory slots. I did all I can do in disc utility till I can boot to another drive. I know I can use the disc and have one but still want to know how to reboot to an alt. drive. There is 599 gig of free space on the boot drive. Thanks,


  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac, i7 4GHz, 32GB memory, 1TB PCI-e storgae StOS X.13.3
    Well it does help enormously if you provide model details and operating system.

    If you have system discs, boot from them and run Repair Disk and see the state of your hard drive. If OS X.7/8 use Recovery to do the same thing.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  3. #3

    Slydude's Avatar
    Member Since
    Nov 15, 2009
    North Louisiana, USA
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone 8+, 2015 iMac 16 GB 10.13 beta
    For most Mac models released in the last few years you can select another boot drive by holding down the Option key immediately after the startup chime. Hold the key down until the menu of drives appears.
    Did you know these forums are soon to be shut down?
    Long story here. Short storyhere

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