#OS X UTILITIES OS X VERSION MAC OS X#
In my case, I even have programs I want to keep so I don't have to re-download them after the process is over.ĭual Boot Mac OS X 10.11 El Capitan & 10.10 YosemiteĬreate a Bootable Install USB Drive of Mac OS X 10.9 Mavericksĭual Boot Mac OS X Mavericks 10.9 & Yosemite 10.10 Okay, so you may have a lot of files that you want to get rid of, but you definitely have some files you want to keep. Best of all, this will work with Lion, Mountain Lion, Mavericks, Yosemite, and El Capitan. With just a few clicks of some buttons and your Mac is gonna be running like it did the day you got it. Thankfully, the geniuses over at Apple have made the process easy for us-no need for a disc no need for a drive-all you need is a decent internet connection. Often, the best option to fix these problems would be to reformat your computer and reinstall your OS, but since most of us don't plan on ever taking this drastic measure, we don't obtain a recovery disc or thumb drive. In other cases, your Mac can be experiencing some major malfunctions: constant crashing, locked controls, slow boot times, missing files, etc. At one point, I realized that there were plenty of files on my Mac that I didn't need any more, but too many to delete individually. Select a tool and click Continue to perform the desired function.As I've said before, slowing down is not an option for me. Once you have done this you will be taken to the Mac OS X Utilities screen shown below. Upon startup, press and hold the option key until you see the Apple logo.Upon startup, press and hold the command key and the R key until you see the Apple logo.There are two ways to access the Recovery HD: You must have internet access to use this function.ĭisk Utility: This option will open your Disk Utility, and will allow you to check, repair, erase, or partition your hard drives. Get Help Online: This option will direct you to the Apple Support website. IMPORTANT: Reinstalling the OS will erase all data on your hard drive.Due to the size of the operating system this process can take several hours. However, to fully reinstall Lion you must be connected to the internet because the operating system files and data have to be downloaded. Reinstall Mac OS X: This option will start the Lion installer.Note: In order to use this function you must have a complete backup, including system files, saved on your Time Machine.Restore From Time Machine Backup: This option will allow you to restore your entire system, including the operating system, all accounts, user data, and settings, from a Time Machine Backup.The Recovery Partition provides the following options: DoIT assumes no liability for data loss that occurs as a result of this procedure. Please contact the manufacturer or system developer for help.ĬAUTION: Please make sure your important data is backed-up on an external storage device (such as a CD, DVD, or external hard drive) before attempting this procedure. These instructions are provided for self help purposes only. NOTE: These procedures are not supported by the Help Desk. Recovery Partition - OS X 10.7 and Higher Generally, since the directory check occurs during the gray startup screen, you can reboot immediately after logging in. To return to a normal boot, simply restart the computer without holding any keys. While a Safe Boot can be helpful for troubleshooting, many services will be unavailable - specifically audio and network devices. In Mac OS 10.4 or later, you will have to login to your account, even if it normally does so automatically.Note: Startup will likely take substantially longer than normal.Once the gray Apple and progress indicator appear, release the Shift key.Immediately after the startup chime, press and hold the Shift key.10.4 or later: Disables all startup and login itemsĪ Safe Boot can potentially repair problems that prevent Mac OS X from starting properly.10.3.9 or earlier: Disables all non-Apple startup items.Load only the required kernel extensions.Force a directory check of the startup volume (as Disk Utility's Disk Repair).This can help to troubleshoot startup problems when an OS installation disc is not available.Ī Safe Boot will perform the following tasks:
#OS X UTILITIES OS X VERSION HOW TO#
This document explains how to perform a Safe Boot in Mac OS X 10.2 or later and how to boot into the recovery partition for OS X Lion.