More Less iMac (27-inch Mid 2010), Mac OS X (10.7.4) Activate repair disk. OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain. (See our hands-on with Lion Recovery for all the details.)Mac Os 10.7 Download Free Mac Os X 10.7 Download Free Mac Os X Lion Download Virtualbox Mac Os X 10.10 Download Free OnyX. If you ever have system or drive issues, Lion Recovery lets you boot your Mac into a special recovery mode to check or repair your hard drive, browse the Web for troubleshooting help, restore your drive from a backup, or even reinstall Lion itself. Never any trouble that way (apart from when a SL.One of the premier troubleshooting features of Lion (Mac OS X 10.7) is Lion Recovery. Back up, run combo updater and then run cocktail or onyx.USB would likely be cheaper but a bit slower) that is a little. To back up your computer you will need an external hard drive (USB, Firewire, or Thunderbolt. Though you can install Mountain Lion right over (upgrade) Lion without doing any backups at all a more prudent method would be to backup first. Actually this is pretty simple. For example, if you want to install Lion on multiple Macs, a bootable installer drive can be more convenient than downloading or copying the entire Lion installer to each computer.1 Answer1. But as I explained when Lion debuted, there are still good reasons to have a bootable installer disc or drive.In other words, you don’t have a downloadable version of the installer unless you happened to purchase Lion for another, older Mac. But if you have a Mac that debuted after Lion (any Mac from July 2011 or later), your Mac shipped with Lion pre-installed. (Lion Internet Recovery is available on mid-2011-or-later Macs, as well as some older Macs that have received recent firmware updates.)When Lion debuted, I explained how to create a bootable Lion-installer drive from the Mac App Store version of Lion. And if you’ve got a Mac that doesn’t support Lion Internet Recovery—a version of Lion Recovery based on special firmware—recovery mode may not even be available if your Mac’s drive itself is having problems, whereas a bootable install drive will always be there for you. For starters, Lion Recovery doesn’t include the full Lion installer—it requires you to download nearly 4GB of data before you can reinstall Lion—whereas a bootable installer drive contains the entire Lion installer, making installation much, much faster.
![]() Onyx Lion 10.7.4 Mac OS XBut because these may not be options if your Mac is having problems, it’s still good to have a bootable installer drive.)When you use Lion Internet Recovery to reinstall Lion, your Mac contacts Apple’s servers, identifies itself, and requests the appropriate Lion-install data. (You can also copy the Mac App Store version of the installer to your newer Mac, or download it—all 4GB of it—from the Mac App Store directly to that newer Mac, and then run the installer. Those simpler instructions will create a drive that works with all current Lion-compatible Macs. As long as your downloaded installer is version 1.0.13 or later—select the installer in the Finder and use the Get Info command to check—there’s no need to perform the procedure below. (In our testing, the official OS X Lion USB Thumb Drive doesn’t work with Macs that shipped with Lion—it’s designed for installing the OS on pre-Lion Macs.)Fortunately, it’s possible to create a bootable Lion installer even if your only Mac is a newer model, although doing so requires a bit more work.Note: If you purchased Lion for another Mac, so you have a version of the Lion installer from the Mac App Store, you can use our original instructions for creating a bootable Lion-installer drive. The drive must be formatted as Mac OS Extended (Journaled), and must have a GUID Partition Table. (If this doesn’t work, restart and hold down Command+Option+R, which should force your Mac into Lion Internet Recovery.)Connect a drive—a hard drive, a thumb drive, or the like—with at least 12GB of free space. Here are the steps to take:The Mac OS X Utilities window you see when you boot into Lion Recovery and Lion Internet RecoveryBoot into recovery mode by holding down Command+R at startup you’ll eventually see a Mac OS X Utilities window. The trick is to interrupt that process—safely—so you can grab the installer data and keep it. Once that data has been downloaded, Lion Recovery restarts your Mac, immediately installs the OS, and then deletes the installer data. As the progress bar gets near the end, get ready, because once the status reads About 0 seconds remaining, the progress bar will disappear, the installer will spend a minute or two cleaning up, and then your Mac will restart. Depending on your Internet connection, the download can take anywhere from under an hour to several hours (or even, if you’re unfortunate enough to be on a very slow connection, considerably longer).IMPORTANT: Monitor the download’s progress. The important thing here is to select your external drive.Click Install to begin the download. You’ll see the message, “To download and restore Mac OS X, your computer’s eligibility will be verified with Apple.” Click Continue, then click Agree (twice) on the next screen to agree to the Lion license agreement.Select the drive onto which you want to install Lion. Powerpoint for mac open color palette the thmx file is greyed outAlternatively, you can connect the drive to another Mac and proceed with the following steps using that Mac.Open the external drive, and you’ll find a folder called Mac OS X Install Data. Interrupting that process can leave your Mac unable to install OS X unless you restart it and—I’m not joking— zap PRAM.Once your Mac has booted from its normal startup volume, reconnect the external drive. If you wait too long, your Mac will boot into the Mac OS X installer on that drive, starting the installation process. As a bonus, the resulting Lion-installer drive should boot and support any current Lion-capable Mac. Use that copy in Step 12, below.Launch Disk Utility (in /Applications/Utilities).Drag the InstallESD.dmg disk image into Disk Utility’s left-hand sidebar.Now you’ve got the latest Lion-installer disk image, and you’re ready to use that image to create a bootable installer drive or disc. Click the padlock icon at the bottom of the window, provide an admin-level username and password, and then uncheck the box next to Ignore Ownership On This Volume.)If you plan to use the same hard drive for your bootable installer drive that you used to download the installer, you’ll need to copy the InstallESD.dmg disk image to your Mac’s internal drive, or another drive, before proceeding. (If the Mac OS X Install Data folder has a “no access” icon, select the external drive in the Finder, choose File -> Get Info, and expand the Sharing & Permissions folder in the Info window. The mounted volume is called Mac OS X Install ESD. This mounts the disk image’s volume in the Finder. In Disk Utility, select InstallESD.dmg in the sidebar, and then click the Open button in the toolbar. (At some point, Apple will update the Lion installer on the Mac App Store to support those newer Macs, so you can then download the updated installer and make an updated installer drive that supports even those Macs. In Disk Utility, find this destination drive in the sidebar and then drag it into the Destination field on the right if the destination drive has multiple partitions, just drag the partition you want to use as your bootable installer volume. This drive must be at least 5GB in size (an 8GB flash drive works well), and it must be formatted with a GUID Partition Table. Connect to your Mac the hard drive or flash drive you want to use for your bootable Lion installer. Drag the Mac OS X Install ESD icon into the Source field on the right (if it isn’t already there). However, with the 10.7.4 installer, you must use the mounted Mac OS X Install ESD volume or you will get an error at the end of the restore procedure and the newly created bootable drive may not function properly.You use Disk Utility’s Restore screen to create a bootable flash drive or hard drive. The restore procedure will take anywhere from five to 15 minutes, depending on your Mac and the speed of your drive.Note: In versions of the Lion installer prior to 10.7.4, you didn’t need to first mount the InstallESD.dmg image—you could simply drag the image itself into the Source field. Click Restore and, if prompted, enter an admin-level username and password.
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