要注意】High Sierra へのアップデート ディスクを誤って消してしまう OS X Base System SSD交換
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![SOLVED] There is not enough free space on os x base system to install - YouTube](https://i.ytimg.com/vi/DR9AFd8zKHQ/maxresdefault.jpg "SOLVED] There is not enough free space on os x base system to install - YouTube")
SOLVED] There is not enough free space on os x base system to install - YouTube
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What Is macOS Base System [Everything You Need to Know] - EaseUS
What is OS X Base System?
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