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If you need to boot your Mac from a separate partition or an external drive, you need to load the boot selection screen at startup. We’ll show you how to do that on an Intel or Apple silicon MacBook, iMac, or Mac mini below.
If you need to boot your Mac from a separate partition or an external drive, you need to load the boot selection screen at startup. We’ll show you how to do that on an Intel or Apple silicon MacBook, iMac, or Mac mini below.