Bootable usb thumb drive formatted with a guid partition type and containing an os x installer or a usable operating system. This works like linuxs singleuser moderather than getting multiuser operating system, you boot directly to a root shell. How to select a different startup disk apple support. To use verbose mode, reboot your mac and press and hold the command and v keys simultaneously as soon as you see the apple logo on startup. Mac os x includes a number of special keys that you can use during the boot process. I am trying to downgrade from os sierra because i dont like it and there are some important apps and software i used to use i realized arent supported with versions after mac os 9. I still get this interface when it tries to boot up os 9, and upon typing mac boot, it hangs at the gray screen i mentioned before. Print this out youll save time and work more intuitively. When a macintosh is poweredup or restarted booted, various pieces of mac rom and system software examine the keyboard, and take special actions if certain keys are held down. You can easily retrieve information and an explanation on any of the shown commands by using the handy open man page trick, which will launch a manual for the chosen command into a new terminal window. In order to boot your mac from a disk in the cd dvd drive, youll first want to insert disk into the drive, then you can either shut down the mac, or reboot the mac. If your mac is using a firmware password, youre prompted to enter the password.
Please consult magical macintosh key sequences by dave. Got osx set up on them okay, but i noticed that i cant get any of the startup key commands to work c for the optical drive boot, alt for the boot. Is your mac or macbook stuck on the apple logo and wont startup or boot. Has blue cover and date and time is set before 1973. Set volume bootability and set the active boot volume. If your mac is using a firmware password, it ignores this key combination or starts up from macos recovery. I have the old version of osx in my disc drive, i am really desperate.
Please consult magical macintosh key sequences by dave polaschek. Release the keys after you hear the second startup chime. Apple startup disk for mac free download and software. With the introduction of intelbased macs, however, apple has built the aht. Release the keys after you hear the startup sound again. If the issue returns after leaving safe mode, startup items are probably at fault. You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this mac. To enhance system security, mac computers with uptodate software dont show devices that use option rom firmware until you load their firmware. Commandoptionxo, force mac classic only to boot from rom. Macbook owners have a number of tools that come in very handy for using their laptops efficiently and for maintaining the operating system to keep it running in top shape. No part of this publication may be reproduced or transmitted for commercial purposes, such as selling. These keys really come in handy when you need to force your operating system to do something that it normally wouldnt, such as boot from a cd instead of the hard drive. On desktop macs, you reset the smc by unplugging the power cable for 15. How to start up your mac from a bootable cddvd, usb thumb.
For mac os x, see this apple list of os x shortcuts. If the issue doesnt continue while in safe mode, leave safe mode by restarting your mac normally. This site contains user submitted content, comments and opinions and is for informational purposes only. There are significant differences between how older 68k, old world powermacs and newer everything currently, but essentially new world machines with open. Startup in osx if os9 and oxs in boot partition, x or cmdx.
Broken mac startup files are left there because some part of apps are left on your mac long after youve moved the app to the trash. Start up from an os x startup volume when the mac would otherwise start up from a nonos x startup volume. Hey all, just got my first apple product a couple weeks ago a set of powermac g5s from a local computer thrift shop. Learn about selecting a startup disk, including what to do if your mac doesnt start up from it. From reseting your nvram, starting up in safe mode, booting your mac from a cd or dvd. How to use startup keys to resolve mac os x boot problems. From reseting your nvram, starting up in safe mode, booting your mac from a cd or dvd, switching bootable volumes and drives on system start, to forcing media to eject from a superdrive, this list has you covered. Start up to startup manager, which allows you to choose other available startup disks or volumes. How to use os x boot options to troubleshoot your mac techradar. How to create a mac os x usb boot drive on windows. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
The first time i attempted it, i was presented with a. For example, a software manual may tell you to hold down the command key. Lets see how to boot a mac from a bootable usb drive and what to do if your mac doesnt start up from it. Booting mac os x this page contains a brief description of the mac s firmware analogous to the pc bios in many respects, the bootloader, and the typical mac os x boot up sequence. At least five keys have different names or symbols on a windows keyboard than they do on a mac keyboard, which can make it difficult to follow mac related instructions. Suffice to say it can be found if you know where to look. It was designed by susan kare in the 1980s, drawing inspiration from the design of the compact macintosh series and from. Upon boot up, i get a linuxstyle command line interface apple bootrom, open firmware. Use startup manager or startup disk preferences to select the bootable installer as the startup disk, then start up from it. In this article well run through the steps necessary to create a bootable installer of the mac operating system, whether its so you can install the latest version of the macos on multiple macs. Heres how it works in the context of the all inclusive commands list on mac os. Windows keyboard equivalents for the macs special keys. If your mac is really old as in so old its running mac os x snow leopard or older it will not have a recovery partition, the only way to reinstall the os is to use the discs that shipped with.
This key doesnt work with some older macs or clones that didnt use apple cdrom drives. Startup manager os xs builtin startup manager allows you pick a volume to start your mac up from at boot time, which temporarily overrides your startup disk defaults set in system preferences. Mac os x startup keyboard shortcuts david paul morris getty images. When mac trouble strikes, these 15 startup key combinations provide access. These shortcuts are for macos 9 and earlier unless noted. This is a list of eleven startup key commands that every intel mac owner should make note of. Apple macintosh os 9 1 startup and shutdown on imac gi3. Youll soon see quickly moving rows of text instead of the gray boot screen, and you or a tech support rep will be able to see exactly what is causing the issue youre attempting to troubleshoot. Sometimes on a mac, the pram parameter ram and nvram. I hold the keys down until the flashing folder appears. How to use os x boot options to troubleshoot your mac. Changing a remote servers startup disk 30 shutting down a.
Open firmware and bootup shortcuts apple community. This is the startup sound that mac computers emit at the startup screen. Tom nelson is an engineer, programmer, network manager, and computer network and systems designer who has written for other world computing,and others. The system management controller smc is a chip on intelbased macs that. Folder mode, mount mode, device mode, netboot mode, and info mode. The c key forces the mac to start up from a bootable cdrom, if one is present, which is useful if something goes wrong with your startup hard disk. Take control of startup and login items is your mac starting up slowly. Troubleshoot your mac with these hidden startup options. Release the keys when you see an apple logo, spinning globe, or other startup screen. To use a keyboard shortcut, press and hold one or more modifier keys and then press the last key of the. These macbook keyboard shortcuts for the finder, a maintenance checklist, and a translation of the modifier keys will speed you on your way to.
A quick guide to macos boot modes and startup key combinations. Mac keyboard shortcuts by pressing certain key combinations, you can do things that normally need a mouse, trackpad, or other input device. If so, we got your covered with our top tips to help macs stuck on startup. Apple may provide or recommend responses as a possible solution based on the information provided. This version has been used since the imac g3, released in 1998. Quick list of keyboard commands for different operations on the macintosh platform. While some of these commands are the same as what worked for ppc macs, others are. Be sure the disc to boot from is actually bootable, most system restore and installation discs are. Boot key commands not working on powermac g5 macrumors. The owner or authorized user of a valid copy of mac os x server software may reproduce this publication for the purpose of learning to use such software. To use a keyboard shortcut, press and hold one or more modifier keys and then press the last key of the shortcut.
A happy mac is the normal bootup startup icon of an apple macintosh computer running older versions of the mac operating system. How to create a bootable installer for macos apple support. If your startup disk appears, do that each time you want to start up from it or from another disk connected to it. I usually have to type mac boot to finish the boot. Turn on your mac and immediately press and hold these two keys. To do that, press optionshift command period while in startup manager. Also disables nonessential kernel extensions safe boot mode. Disables nonessential and login applications verbose mode. To get rid of these parts and to fix your startup, youre going to need cleanmymac again. Send to background bind set or display readline key and function bindings bless set volume bootability and startup disk options break exit from a for. Mac os x is a rocksolid system thats beautifully designed. In particular, command n opens a new os x finder window, which created a new folder in os 9.
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