After setting up an Apple Server Diagnostics NetBoot image for Mac mini Server (Mid 2011), NetBoot may not complete when you try to NetBoot a Mac mini Server by holding down the F1 key at startup.
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The following is an overview of the startup sequence, error conditions, and behaviors for all Intel-based Macintosh systems.
Note that some newer Macintosh models only use tones to indicate error conditions. See this article for more information.
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