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This is not really relevant because you never need to completely shut it down. Because of its sleep mode it only uses just enough power to retain the contents of the memory.
Sorry, there was a problem. Please try again later.Too long! About 3-5 minutes depending on what it has to load up.
Sorry, there was a problem. Please try again later.Depending on the selections you make during setup, it can take between 10 mins and 1 hour. Sometimes the machine requires updates or to download from iCloud if you are restoring from the backup of an old or dead machine. If it's a brand new one I would estimate less than 30 mins total if you don't require major updates.
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