Mac (OS X) has a series of system startup keys and key combinations to start using these operations may have an impact on start up your Mac’s.Such as the Shift key, you can boot from safe mode. C keys, you can let Mac to boot from a bootable CD, DVD or USB drive and so on.
Through this article, we hope to provide some keys and key combinations information about the Mac startup respect for the user.
- Shift key: Start in Safe Mode
- Option: Enter Startup Manager
- C button: from a bootable CD, DVD or USB drive to start (when the general reinstall the system will be used)
- D key: Start to Apple Hardware Test (Apple Hardware Test) or Apple diagnostic (Apple Diagnostics).
- Option + D: Start to Apple Hardware Test (Apple Hardware Test) or Apple diagnostic (Apple Diagnostics) over the network
- .N key: Start from a compatible NetBoot Server
- Option + N: Use the default boot image to boot from NetBoot server
- Command + R: Start from OS X Recovery
- Command + Option + R: OS X Recovery to boot from the network
- Command + Option + P + R: Reset NVRAM, hear the startup sound again after the key is released.
- Command + S: In single-user mode
- T key: to target disk mode to start
- the X key: Start from OS X startup disk
- Command + V: start in verbose mode
- Eject (eject) or F12 or mouse or trackpad button: Press One of the keys you can eject a disk drive in anything
You will also like