![]() Read more about mac os in Computerworld's Mac OS Topic Center. His e-mail address is more articles by Gregg Keizer. Follow Gregg on Twitter at on Google+ or subscribe to Gregg's RSS feed. Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. More information on Lion's recovery options can be found on Apple's support site. To use the recovery disk, Lion owners must reboot the Mac while holding down the Option key while the flash drive is plugged into a USB port or the external USB drive is connected to the computer.Ī recovery disk created on a Mac upgraded from Snow Leopard to Lion can be used with any similar system, but one built on a machine that came with Lion pre-installed only works with that Mac. While do-it-yourself techniques for creating a Lion recovery disk - usually on a flash drive - have circulated on the Internet, this is the first time Apple's provided its own utility. The online approach, however, isn't available on older systems, like those that have been upgraded from Snow Leopard. Canada (English) United States (English) México (Español) South America. Dubbed "Lion Internet Recovery," it lets users start their Mac directly from Apple's servers even when the system won't properly boot. Welcome to To provide you with the best online experience, please select your preferred language or current location. On the newest Macs - the recently-revamped MacBook Air and Mac Mini - Lion also offers an online road to recovery. Once the Startup Manager screen appears, release the Option key. Holding that key gives you access to OS X’s Startup Manager. When you hear the startup chime, press and hold the Option key. Press the Power button to turn on your Mac (or Restart your Mac if it’s already on). Typically, those machines offer tools that can create a physical recovery disc on the user's own media. Insert the USB boot media into an open USB slot. Many Windows PCs use the same strategy, relying on a recovery partition rather than bundling a CD or DVD recovery disc. Make sure the Format is set to Mac OS Extended (Journalled). Click the Erase button (near the bottom). Make sure the format is set to Mac OS Extended (Journalled). ![]() That's sufficient for restoring the active partition that contains Lion, applications and data, but would be worthless if the hard drive itself dies. On the left, select the drive that you want to use to be a Recovery drive. Mac OS X Lion launched earlier this year was a great upgrade to the previous version of Mac OS X Snow Leopard.One of the many features offered in Mac OS X Lion is that of the Recovery Partition.Using the Recovery Partition the user can recover his/her Mac in case of an operating system failure. Unlike previous editions of Mac OS X, Lion is available only as a digital download, so its recovery "disk" is actually a separate partition on the drive. "This drive can be used in the event you cannot start your computer with the built-in Recovery HD, or you have replaced the hard drive with a new one that does not have Mac OS X installed," Apple explained in an accompanying support document.
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