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Dec 21, 2014  Example: imagine you make a bootable installer from a retail 10.6.3 Snow Leopard sold by Apple and try to install on a Mid 2011 iMac that originally shipped with Snow Leopard - this would NOT work because that model of Mac originally shipped with a later version of SL: 10.6.6 or 10.6.7.

The steps below will guide you through how to Install OS X Snow Leopard from a USB Flash Drive. Alternatively, you can also read these instructions on how to install OS X Lion from a USB Flash Drive.

Apple officially released Snow Leopard a couple years ago and consumers can still find the latest version of OS X at Apple Stores and resellers across the country.

At version 10.6, Snow Leopard, focused more on improving speed and performance than adding new features to OS X. With the operating system available to customers, individuals are ready for their upgrades.

Installing OS X From a USB Drive

Like other versions of OS X, Snow Leopard can be installed from a USB drive. This is especially beneficial to Macbook Air users looking to install the OS without a DVD drive. To do this, you’ll need to prepare your USB drive with the installation files. Like many of our other Mac Help articles, the steps listed below worked particularly for Snow Leopard but should also work for installing OS X from USB on Leopard.

The installation files sit at 6.2gb on the Snow Leopard DVD, so you’ll probably need a drive that has at least 8gb available. If you want your installation files to last against the elements, check out this 8 GB Water/Shock Resistant USB flash drive.

After you’ve gotten the correct USB device, connect it to your Mac and prepare it with the Snow Leopard installation files by following these steps:

NOTE:Depending on your flash drive, you may need to follow steps 5 – 7 on installing onto a USB drive to make sure the drive is bootable before you get start. This includes updating the options for the partition so that it is set to a GUID partition. If the USB drive is not bootable you will NOT be able to install from it.

1. Open Disk Utility and select the Flash Drive
2. Select the Erase tab on the right and then set Format to Mac OS Extended (Journaled). Name the partition you’ll be creating Snow Leopard or OS X Install so you can keep track of your installation device. After you’ve done this, click the Erase button.
3. After Disk Utility finishes erasing your old data on the flash drive and setting it as a new partition, it will be ready for the Snow Leopard install files. Select the Restore tab at the top and then drag the Snow Leopard DVD to the Source field. Select your USB device for the Destination file. Click Restore and wait for the restoration to finish (about 20 minutes).
4. If the restoration worked correctly you should be able to open your USB device and see the Leopard installation files. If you try and click the Install OS X Snow Leopard icon, you’ll get the message below telling you you can’ install OS X from this volume. IGNORE the message. The next steps will walk you through the installation steps.
5. Now that the installation files are successfully on your USB device, be sure to remove the Snow Leopard installation DVD from your drive. Next, restart your Mac and when it first starts to reboot, be sure to hold down the option (alt) key on your keyboard. After a few seconds at least two volumes should appear for you to select from for installation. One of those will be the USB drive we just prepared. Select it.
6. After the Snow Leopard installation software boots from your USB drive, follow the on screen instructions for installation. It took about 38 minutes to install Snow Leopard on my machine from the USB drive. I’m curious to see how this compares to the average Mac users, please leave a post in the comments letting us know how long it took on your machine.
7. After the installation finishes, it will reboot your computer into your new upgraded version of OS X, version 10.6 Snow Leopard

This method works for installing OS X Snow Leopard onto a Mac from a USB Drive. It should also work for installing Leopard or other older versions of OS X on Intel Based Macs. Check back often for additional help and tips for your Mac.

Here in this topic, we are able to download Mac OS X 10.6 Snow Leopard DVD.ISO, Mac OS X 10.6 Snow Leopard.DMG, VMware image and Snow Leopard.Torrent without Apple Store. Retail DVD and safe download links!

Like OS X 10.5, Leopard is now longer downloadable from Apple Store. However, if you are still want to download this very old version of Mac OS X, In the following words, we share Mac OS X 10.6 Snow Leopard.DMG.

For the one who want to download Mac OS X 10.6 Snow Leopard.ISO, First, download Snow Leopard.DMG, then convert Snow Leopard.DMG to Snow Leopard.ISO (available solutions in both Mac OS X and Windows)

Mac OS X 10.6 Snow Leopard.DMG – Torrent Download

• Mac OS X Snow Leopard 10.6

Snow Leopard Retail Dmg To Usb Cable

• Mac OS X Snow Leopard 10.6.3 (Recommended)

Mac OS X 10.6.3 installation image .dmg For use to reinstall your macs operating system. This is a clean rip using disk utility (untouched)

Snow Leopard Retail Dmg To Usb Drive

• Mac OS X Snow Leopard 10.6.8 VMware Image

The following image Works under pretty much all VMware products, only problems you may get are with video and audio (audio is easily fixable whereas video is slightly more complicated).

Snow Leopard Retail Dmg To Usb Drive

The Root password (admin password used to login into MacOS when booting) is “password“. The following video probably is helpful if needed.
We do not recommend using torrent method.

Mount Dmg To Usb

How to get Mac OS X 10.6 Snow Leopard DVD.ISO

Snow Leopard Retail Dmg To Usb Adapter

it’s very simple to convert Snow Leopard.DMG (downloaded by the above methods) to Snow Leopard.ISO in Windows by using PowerISO in minutes under Windows or Mac OS X. Otherwise, these following topics would be helpful: http://www.sysprobs.com/convert-mac-dmg-iso-windows.