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Apple Computing Products:
macOS - Operating System
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<blockquote data-quote="Lifeisabeach" data-source="post: 1274425" data-attributes="member: 38864"><p>If you are re-installing from the Recovery partition, then yes, it will have to re-download it. It doesn't store the whole thing there. Can't speak for the bootable image option though, but as schweb points out, it's not a supported option.</p><p></p><p>What I did was make a fully bootable installation of Snow Leopard on a 32 GB thumb drive; added my Lion installer to a read-only DMG file; then dropped that DMG on the thumb drive. If I ever decide to do a clean install, I just boot off that and re-run the installer just like before. No re-downloading needed. I also have this thumb drive loaded up with some utilities to use in the event of an emergency with my internal drive.</p></blockquote><p></p>
[QUOTE="Lifeisabeach, post: 1274425, member: 38864"] If you are re-installing from the Recovery partition, then yes, it will have to re-download it. It doesn't store the whole thing there. Can't speak for the bootable image option though, but as schweb points out, it's not a supported option. What I did was make a fully bootable installation of Snow Leopard on a 32 GB thumb drive; added my Lion installer to a read-only DMG file; then dropped that DMG on the thumb drive. If I ever decide to do a clean install, I just boot off that and re-run the installer just like before. No re-downloading needed. I also have this thumb drive loaded up with some utilities to use in the event of an emergency with my internal drive. [/QUOTE]
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Apple Computing Products:
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