Mac os lion dvd download
If not, you may have to click the " Restore " tab as seen below. If you need help using your disk to restore your Mac, Apple has a helpful page in its Support section.
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When following these instructions we got a persistent error message when restoring the boot image to the USB partition, "Restore Failure Could not restore — Invalid argument". However it appears that this has no effect on the restore, and the USB is usable afterwards. Yes, you can ignore this error.
We've seen it too on some Macs, but as you say, it still works just fine. I tried booting in with my usb but it doesn't boot. It just doesn't start the installer process.
How to make a bootable Lion install disc or drive
Right-click or control-click on the program icon and select "Show Package Contents. Open up Disk Utility it's in the Utilities folder in Applications. At this point, you should see the various hard drives connected to your Mac. If you haven't already plugged in an empty USB thumb drive or a hard drive with an empty partition, do that now.
Select "InstallESD. Click open. This mounts the installer image we just copied to the desktop.
For destination, choose the partition of the drive you want to use. Be aware that you will erase everything on this partition and replace it with OS X Lion, so be sure you don't have anything important on that drive or partition.
However, with the When prompted, insert a blank DVD a single-layer disc should work, although you can use a dual-layer disc instead , choose your burn options, and click Burn. Thanks to reader Jameel Morrison for confirming this procedure and for prodding me to finally write this article. Here's our guide to installing Lion, from the best way to get your Mac ready, to undertaking the Apple bills Lion as the easiest-to-install version of OS X yet, and that may be true.
How to Do a Clean Install of OS X Mountain Lion
But there are If your Mac was released after Lion, it's not quite as easy to make a bootable Lion install disc or Some Mac users prefer to do a "clean install" of each major new version of OS X, erasing their One of the most significant new features of Lion is that it lets you boot your Lion-equipped Mac Apple has released a simple utility for creating a bootable Lion Recovery volume from any external Create a bootable Lion install drive Should you do a "clean install" of Lion?
Show More. Drag the InstallESD. And so on… The next steps depend on whether you want to create a bootable hard drive or flash drive, or a bootable DVD. Connect to your Mac the hard drive or flash drive you want to use for your bootable Lion installer.
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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. Click Restore and, if prompted, enter an admin-level username and password.
1. Download Mountain Lion From the Mac App Store
The restore procedure will take anywhere from five to 15 minutes, depending on your Mac and the speed of your drive. Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.