Run through all the menu tasks automatically, then restart Run through all the menu tasks automatically Start the AppleJack menu (see image below) This starts Single User Mode as mentioned above. To start AppleJack, first hold Command and S keys at startup.
It only takes 74K of space for the current version as of this writing, 1.6. You can repair the disk, repair permissions, remove cache files, validate preference files, and remove swap files.ĭownload AppleJack from the download page. It gives you a DOS-like Menu of options that can fix common problems. If that fails, I will try to either boot into Safe Mode or from an external firewire hard drive, allowing me to fix things.ĪppleJack is a free troubleshooting assistant that you need to install prior to your computer having problems. My first step to fixing a Mac that is stuck on the gray boot screen is to hold the Option key and attempt to chose the hard drive to boot.
#Download applejack for mac os x mac os x
Perform Safe Boot (start up in Safe Mode)įorce Mac OS X startup (if non-Mac OS X startup volumes are present) Key or key combinationĭisplay all bootable volumes ( Startup Manager) Tip: If a startup function doesn’t work and you use a third-party keyboard, connect an Apple keyboard and try again. Press the key or key combination until the expected function occurs/appears (for example, hold Option during startup until Startup Manager appears, or Shift until “Safe Boot” appears).
The normal steps for trying to get a Mac to boot involve pressing keyboard shortcuts during the boot process. Macs generally don’t have startup problems, but it’s good to be prepared in case your Mac OS X computer won’t start.
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