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Apple Computing Products:
macOS - Notebook Hardware
mac startup manager won't load
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<blockquote data-quote="techiesteve" data-source="post: 1654295" data-attributes="member: 98520"><p>The 2007 MacBook Pro that you have theoretically can run Yosemite, but will be very slow. Mountain Lion is a good choice of OS for your MBP. It will run reasonably in 2GB of RAM, but far better in 4 or 6. If you can't see the Mountain Lion Installer when plugged into a USB port while holding down the ALT key when powering on, then its not been configured as an installer. You need either a working USB installer, or a Snow Leopard install DVD from Apple. If you go down the later path, install Snow Leopard, then run the Mountain Lion installer. My only concern with using the Snow Leopard DVD is many SuperDrives in the older MacBook Pro's have died, you need to be sure yours is good.</p><p></p><p>Once you have a working installer or a Snow Leopard DVD then use disk utility to partition the hard drive as GUID and as Mac OS Extended (Journaled) or else you won't be able to install any Mac OS.</p></blockquote><p></p>
[QUOTE="techiesteve, post: 1654295, member: 98520"] The 2007 MacBook Pro that you have theoretically can run Yosemite, but will be very slow. Mountain Lion is a good choice of OS for your MBP. It will run reasonably in 2GB of RAM, but far better in 4 or 6. If you can't see the Mountain Lion Installer when plugged into a USB port while holding down the ALT key when powering on, then its not been configured as an installer. You need either a working USB installer, or a Snow Leopard install DVD from Apple. If you go down the later path, install Snow Leopard, then run the Mountain Lion installer. My only concern with using the Snow Leopard DVD is many SuperDrives in the older MacBook Pro's have died, you need to be sure yours is good. Once you have a working installer or a Snow Leopard DVD then use disk utility to partition the hard drive as GUID and as Mac OS Extended (Journaled) or else you won't be able to install any Mac OS. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
mac startup manager won't load
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