OS X System Recovery
- Safe mode: shift. Safe mode is a way of starting up your Mac that makes sure it performs certain.
- What are all the Startup key combinations for Power Mac? These combinations work with Intel-based Mac computers.That is not the answer we want, we are asking about Power Macs (PowerPC Based Macintosh.). This question was asked before in the v10.7 Lion (Intel) community, and hopefully we may have better luck posting here in the Power Mac community.
Pressing the Command-R keys immediately after the startup chime will start up from the OS X Recovery System.
The OS X Recovery System is available with all Macs that originally shipped with OS X 10.7 Lion onwards. That said, the following Macs may require the download and installation of updated EFI Firmware for these computers to use the OS X Internet Recovery feature:
Startup key combination is very important to boot the system while reimaging and repairing the current os but a lot of MAC users not aware of the startup keys. Below mentioned key combination will work as per the description. Keep holding while startup. To use any of these key combinations, press and hold the keys immediately after pressing the. Boot From External Device. Pressing the C key immediately after the startup chime will enable the.
- MacBook Pro (13-inch, Early 2011)
- MacBook Pro (15-inch, Early 2011)
- MacBook Pro (17-inch, Early 2011)
- iMac (21.5-inch, Mid 2011)
- iMac (27-inch, Mid 2011)
- MacBook (13-inch, Mid 2010)
- MacBook Pro (13-inch, Mid 2010)
- Mac mini (Mid 2010)
- MacBook Pro (15-inch and 17-inch, Mid 2010)
- iMac (21.5-inch and 27-inch, Mid 2010)
- MacBook Air (11-inch and 13-inch, Late 2010)
The OS X Internet Recovery System allows you to start your Mac directly from Apple’s servers. Starting up in this way performs a quick test of your Mac’s memory and hard drive to check for hardware issues. OS X Internet Recovery can download and start from a Recovery System image before you are offered the same utilities and options as a local Recovery System.
Start Mac In Recovery Mode
Some Mac features are available by holding down certain keys during startup.
Press and hold the keys immediately after you turn on your Mac and hear the startup sound. Keep holding until the described behavior occurs. These combinations work with Intel-based Mac computers.Startup Key Combinations For Mac Os
| Hold during startup | Description |
|---|---|
| Shift ⇧ | Start up in Safe Mode. |
| Option ⌥ | Start up to Startup Manager. |
| C | Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media). |
| D | Start up to either Apple Hardware Test or Apple Diagnostics, depending on which Mac you’re using. |
| Option-D | Start up to either Apple Hardware Test or Apple Diagnostics over the Internet. |
| N | Start up from a compatible NetBoot server. |
| Option-N | Start up from a NetBoot server using the default boot image. |
| Command (⌘)-R | Start up from OS X Recovery. |
| Command-Option-R | Start up from OS X Recovery over the Internet. |
| Command-Option-P-R | Reset NVRAM. Release the keys after you hear the startup sound again. |
| Command-S | Start up in single-user mode. |
| T | Start up in target disk mode. |
| X | Start up from an OS X startup volume when the Mac would otherwise start up from a non-OS X startup volume. |
| Command-V | Start up in verbose mode. |
| Eject (⏏), F12, mouse button, or trackpad button | Eject removable media, such as an optical disc. |