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Apple Intelligence has also begun language expansion with localized English support for Australia, Canada, Ireland, New Zealand, South Africa, and the U.K. Learn more >
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What is mac os x base system and why can I not do anything on disk utility when I start up my system using command R. When I go to reinstall OS Lion there is no disk to select. What am I doing wrong?
MacBook Pro 13″, macOS 10.12
Hi supereddie33,
Welcome to Apple Support Communities. We understand that you're having an issue with installing OS X Lion on your Mac. We'd like to help.
From what you've described, it sounds like your starred disk is no longer available. Please start with the info and troubleshooting here: If your Mac starts up to a question mark - Apple Support
Give those steps a try and let us know how that goes.
Take care!
What is mac os x base system and why can I not do anything on disk utility when I start up my system using command R. When I go to reinstall OS Lion there is no disk to select. What am I doing wrong?
