Hold down c key while booting mac

Hold the 'n' key during startup to boot from a networked computer that has a NetBoot volume.


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This mode lets you use any Mac with a FireWire or Thunderbolt port as the source for your bootup system. Hold the 'd' key during startup.

Mac Startup and Software problems - Troubleshoot

Hold the option key during startup. The Mac OS startup manager will appear, allowing you to select a disk to boot from. The startup manager will search all of the volumes connected to your Mac and display those that have a bootable operating system available on them. Hold the shift key during startup. This will boot your computer in Safe Mode.

How to Use OS X Boot Options to Troubleshoot Your Mac | TechRadar

Safe Mode disables login items and non-essential kernel extensions from starting up. This will cause your Mac to use the Recovery HD partition, which will allow you to restore the Mac OS , or use various utilities to troubleshoot your Mac. Your Mac will boot from the Internet using Apple servers. A specialized version of the Mac OS will be run that includes a small suite of utilities, including Disk Utility, and the ability to download and install the Mac OS, or to restore from a Time Machine backup.

This shortcut will boot your Mac in Verbose Mode, with a descriptive text sent to the display during the startup process. This shortcut will boot your Mac in Single-User Mode, a special mode used for troubleshooting and repairing complex hard drive issues.

How to change boot order in MacBook Pro

Hold down the mouse's primary key during startup. On a two- or three-button mouse, the primary key is usually the left button. Press and hold the key combination until you hear the second set of chimes. Zapping the PRAM returns it to its default configuration for display and video settings, time and date settings, speaker volume, and DVD region settings. Continue Reading.

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These startup shortcuts come in handy if you need to troubleshoot your Mac, or you just want to boot from a different volume than usual. Share Pin Email. Tom Nelson has written hundreds of articles, tutorials, and reviews for Other World Computing and About. He is the president of Coyote Moon, Inc.

Shift Key Stuck Mac

Hold the 'x' key during startup. In some cases, an alternate OS may prevent the Mac's normal boot manager from running. If you have created a bootable Mac OS installer on a flash drive , this is an easy way to boot from the installer. Hold the 'n' key during startup to boot from a networked computer that has a NetBoot volume.

There are times when your Mac may misbehave and refuse to boot into OS X.

This mode lets you use any Mac with a FireWire or Thunderbolt port as the source for your bootup system. Hold the 'd' key during startup. Hold the option key during startup. The Mac OS startup manager will appear, allowing you to select a disk to boot from.

How to use the Mac’s mysterious startup keyboard combos

The startup manager will search all of the volumes connected to your Mac and display those that have a bootable operating system available on them. Hold the shift key during startup. This will boot your computer in Safe Mode. Safe Mode disables login items and non-essential kernel extensions from starting up.

This will cause your Mac to use the Recovery HD partition, which will allow you to restore the Mac OS , or use various utilities to troubleshoot your Mac. Your Mac will boot from the Internet using Apple servers.


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  • A specialized version of the Mac OS will be run that includes a small suite of utilities, including Disk Utility, and the ability to download and install the Mac OS, or to restore from a Time Machine backup. This shortcut will boot your Mac in Verbose Mode, with a descriptive text sent to the display during the startup process. This shortcut will boot your Mac in Single-User Mode, a special mode used for troubleshooting and repairing complex hard drive issues.