How to use macOS startup keyboard commands to boot or recover | AppleInsider
How to Boot Mac from USB | Mac Won't Boot from USB Troubleshooting
Dual Booting Kali with macOS/OS X | Kali Linux Documentation
How to fix a Mac that won't boot or gets stuck on the loading bar - AppleToolBox
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If your Mac doesn't start up all the way - Apple Support
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If your Mac doesn't start up all the way - Apple Support
How to Boot Mac from USB | Mac Won't Boot from USB Troubleshooting
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Boot Keys for Mac OS X System Start | OSXDaily
keyboard - Mac startup key sequences - Ask Different
