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Doing so is a bit trickier than using the Lion Recovery Disk Assistant and requires more space (4 GB or more). A different way to obtain a bootable Lion recovery volume is to clone the disk image hidden inside the Lion installer onto a DVD, thumb drive, or other volume (as Joe discusses in “ Take Control of Upgrading to Lion”). The simple fact is that you can never anticipate what will go wrong, and if Murphy has anything to say about it, the first time something goes wrong it will be sufficiently bad to prevent you from using your boot drive’s Recovery HD partition. And, if you get a new Mac with Lion pre-installed, create another one for that Mac. Although I don’t expect most Mac users to understand the utility of such a tool, I strongly encourage all TidBITS readers running Lion to create one of these external Lion Recovery drives for Macs upgraded from Snow Leopard. The process was simple and easily accomplished, and when I tested my external Lion Recovery drive, it worked perfectly.
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Download the Lion Recovery Disk Assistant (1.07 MB) from the Apple Support Downloads site (it doesn’t appear in Software Update and I somewhat doubt it ever will).Ĭonnect the external drive and launch the Lion Recovery Disk Assistant.To make your external Lion Recovery drive, follow these steps: Just make sure it doesn’t contain any useful data, since it will be erased in the process. Luckily, because the Recovery HD partition is so small, you can use anyĮxternal drive that’s at least 1 GB in size, a perfect use for some old USB thumb drive you may have lying around. You must do this on a Mac running Lion, and if your Mac came with Lion pre-installed, the external Lion Recovery drive will boot only that model of Mac if you upgraded from 10.6 Snow Leopard, the external Lion Recovery drive will boot any Mac upgraded from Snow Leopard. (For a lot more interesting information about Lion Recovery, see Apple’s technical article “ About Lion Recovery.”)īut back to my original point - what do you do if your boot drive is sufficiently damaged or otherwise dysfunctional that you can’t boot into Recovery mode? Apple has now released the Lion Recovery Disk Assistant, a standalone app that you can use to make an external Lion Recovery drive using the contents of your existing Recovery HD partition.
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Sometimes it’s comforting (or at least useful) to have access to the full Unix command line. With Network Utility, you can troubleshoot network connections.
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Use this utility to set, change, or remove a firmware password from your Mac. This option runs Disk Utility, so you can repair the disk having problems.įirmware Password Utility. If you have an Internet connection, you can search the Web in general as well.ĭisk Utility. Sometimes you just need to look something up, and this option launches Safari to display some local help files. Make sure you have a fast Internet connection.
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How could you reinstall Mac OS X - which is a 3.76 GB download - from a disk that’s only 650 MB in size? Simple - this option downloads the Lion installer from the Mac App Store again. As you would expect, this option enables you to restore from a Time Machine backup on another mounted disk. Once your Mac has booted into Recovery mode, you have seven possible actions, the first four of which appear in a Mac OS X Utilities window, and the remaining three of which are available from the Utilities menu: (thanks to Joe Kissell’s “ Take Control of Upgrading to Lion” for these details). The Recovery HD partition may be read-only and small - only about 650 MB - but its tools can be extremely helpful In case of trouble, either hold down Command-R at startup, or hold down the Option key at boot to select and start up from that partition.
In most situations, where your boot drive is sufficiently functional, you can still perform various recovery actions thanks to a special hidden partition called Recovery HD.
#Mactracker for android how to#
One of the initial criticisms leveled against Mac OS X 10.7 Lion was that, because it’s currently available only from the Mac App Store (a $69 USB drive version is slated to become available this month), it’s not obvious how to recover from problems if your boot hard disk or solid-state drive is damaged. #1611: OS updates, RIP iPod touch, iCloud Drive shared folder data loss risk, KDEConnect links iPhone to Linux.#1612: OS suggestions, new accessibility features, higher cellular prices, Chrome OS Flex for old Macs, Memorial Day hiatus.#1613: M2 MacBook Air and 13-inch MacBook Pro, long-awaited features coming to OS, watchOS 9, TidBITS website changes, tvOS and HomePod update.#1614: 2022 OS system requirements, WWDC 2022 head-scratcher features, travel tech notes from Canada.#1615: Why Stage Manager needs an M1 iPad, Limit IP Address Tracking problems, Citibank cryptocurrency confusion.
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