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cheatsheet do
title 'Mac Startup Keys'
docset_file_name 'Mac_Startup_Keys'
keyword 'macstartup'
source_url 'http://cheat.kapeli.com'
category do
id 'Mac Startup Keys'
entry do
command 'C'
name 'Start up from a bootable CD, DVD, or USB thumb drive (such as macOS install media).'
end
entry do
command 'D'
name 'Start up in [Apple Hardware Test](http://support.apple.com/kb/HT1509) (AHT).'
end
entry do
command 'CMD+ALT+P+R'
name '[Reset NVRAM](http://support.apple.com/kb/HT1379)'
notes 'Press until you hear startup sound a second time.'
end
entry do
command 'ALT'
name 'Start up in [Startup Manager](http://support.apple.com/kb/HT1310), where you can select an macOS volume or network volume to start from. '
end
entry do
command 'Eject'
command 'F12'
name 'Ejects any removable media, such as an optical disc.'
notes 'Alternatively, you can hold the mouse or trackpad button.'
end
entry do
command 'N'
name 'Attempt to start up from a compatible network server (NetBoot).'
end
entry do
command 'T'
name 'Start up in [Target Disk Mode](http://support.apple.com/kb/HT1661).'
end
entry do
command 'SHIFT'
name 'Start up in [Safe Boot](http://support.apple.com/kb/HT1564) mode and temporarily disable login items.'
end
entry do
command 'CMD+V'
name 'Start up in [Verbose mode](http://support.apple.com/kb/HT1492).'
end
entry do
command 'CMD+S'
name 'Start up in [Single-User mode](http://support.apple.com/kb/HT1492).'
end
entry do
command 'ALT+N'
name 'Start from a NetBoot server using the default boot image.'
end
entry do
command 'CMD+R'
name 'Start from the macOS Recovery System'
notes 'Available on Macs that ship with macOS Lion or newer. Some CPUs require an [EFI BootROM update to support this feature](http://support.apple.com/kb/HT4904).'
end
entry do
command 'CMD+ALT+R'
name 'Download and start macOS Recovery System'
notes 'A network connection is required for this to work.'
end
end
notes '* For the best experience with startup keys, press the keys immediately after the startup tone plays.'
end
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