

Note the SMART status of the drive in DU's status area.

You must do this because the installer deletes itself automatically when it finishes installing Lion.Ģ. Move the copy into your Downloads folder. Go to your Applications folder and make a copy of the Lion installer. After Lion downloads DO NOT click on the Install button. After downloading Lion you must first save the Install Mac OS X Lion application.
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If you download Lion from the App Store see the following:ġ. Otherwise, Lion is installed via the Internet. Lion is available on a bootable USB flash drive from Apple - $69.00. But which is best, and why? Or can I update directly from the bootable InstallESD DVD? Thanks!įrom my research - and various threads here - it seems as though either of them can/should be copied to my iMac's Applications folder and run from there.Neither Mountain Lion nor Lion are available on DVD. It can be burned to a DVD to create a bootable copy, and (maybe?) for a fresh install on a blank drive.įrom my research - and various threads here - it seems as though either of them can/should be copied to my iMac's Applications folder and run from there. It is the actual installer, and is identical to what anyone who has installed Lion uses. InstallESD.dmg - This is the file packaged within the above.Install Mac OS X Lion - This is the exact file downloaded from the App Store, and may or may not include personal information in the attached files.Which one should I use, and what are the differences or implications of using either? From what I've read: I also unpacked it and saved the InstallESD.dmg file seperately. After downloading Lion, I saved the " Install Mac OS X Lion" app that is placed in the Applications folder. However, there seem to be two competing ideas out there. I read all about how to do it after I purchased Lion on my macbook pro, by using the same install file. (It is located in a camp where internet isn't available.) I have an iMac which isn't connected to the internet that I want to upgrade. I recently bought Lion, and am upgrading my machines.
