A Mac OS X Lion Developer Preview 1 copy (there's a bay full of pirates that can be useful.) An intel core duo/solo Mac computer (MacBook, Mac mini.) running Snow Leopard

Now follow the on screen instructions to install OS X Lion.Please note that this tutorial is totally worthless since the Lion beta does not include most of the feature included in the final version.Choose the USB Flash Drive from there to boot.Hold down the alt/Option key on your keyboard when you hear the OS X start-up sound.Reboot your Mac with the USB drive plugged in.This will restore the Lion 10.7 image to the USB Flash drive.Make sure you have chosen the right USB drive, you don’t want to format the wrong drive and then click on Restore button.Then Click and Drag the USB drive from the left pane and drop it in the Destination field.Click and drag the IMac OS X Install ESD from the left pane and drop it in the Source field.Select the plugged USB from the Left pane on the Disk Utility and then go to Restore tab.Double-click on InstallESD.dmg (that you copied onto your Mac desktop) to mount the Lion disk image (mounted InstallESD.dmg should appear on Disk Utility application and desktop).Open the file in the Applications folder and make a bootable USB thumb drive as set out:- Make a Bootable Mac OS X 10.7 Lion Installer from a USB Flash Drive Of course if you have an external drive cloned from the internal, formatting and installing Lion. Getting Lion from the App Store is convenient, but if you want a physical copy of the installation, you can easily make your own Lion install DVD or USB drive with Disk Utility. The guide is called UniBeast.Follow this guide, and you’ll be able to do a clean-install of Mac OS X Lion on your hackintosh, or upgrade your existing Snow Leopard installation (that’s your personal preference). So by following this guide, you can install Mac OS X Lion on your hackintosh using only a USB thumb drive. Download the Lion installer from Apple App Store. What you get: A USB stick you can boot off and repair your Lion installation from. What you need: an 8G thumb drive and OS X Lion from the App Store. Option 1: Put a full bootable Lion installation on the USB Drive with a recovery partition.

Osx lion usb