Mac Os Lion Boot Disk Files Download

Apple Mac OS X Lion is now available to general public. The Mac OS X 10.7 Lion is available for installation only from the Mac App Store. This guide will teach you how to create a bootable USB Flash drive of Mac OS X Lion 10.7 and install Lion from USB, rather than downloading it from Mac App Store on each and every Mac computer you own.

Mac Startup Disk Download

Despite of numerous great and awesome features, Mac OSX Lion 10.7 has a big flaw that it is not available in bootable USB or DVD right now. Every time you you want to install OSX Lion on a Mac you will need to download it from Mac App Store all over again. Thanks to the bootable USB method which eliminates the downloading of Mac OS X Lion for each and every device and lets you install Mac OS X Lion on any Mac.

To perform a clean install, click your boot drive - not any of its partitions - and then the 'erase' tab. Choose Mac OS Extended (Journaled) as the format type and optionally give the drive a. Downloaded the iso image and proceeded to make a Mac OS X bootable USB on windows. To create a bootable media to install Mac OS X leopard on my old macbook A1181. I used imageusb and installed. I was very happy to find this 10.5.4 version which worked perfectly. Many thanks to all.

Note: An official bootable USB of Mac OSX ion 10.7 will be available in August 2011 for $69. This method not only eliminates the wait for the official, it also saves you $40 (Mac App Store version costs $29).

Creating a bootable Mac OS X Lion 10.7 USB Flash drives requires medium level Mac knowledge, however, by following these simple instructions even a beginner should be able to install Mac OS X Lion via USB Flash Drive.

Why make a bootable Lion USB drive?

You can perform a clean OS X Lion installation with the bootable USB drive
The bootable Lion USB drive becomes a recovery disk with Disk Utility access, access to Time Machine backups, re-installation, and all other Recovery HD partition features
You will have external media to recover and reinstall Lion in the event of total drive failure or some other catastrophe

Required Stuff

Purchase and Download Mac OS X Lion from the App Store
4GB USB Flash drive (8GB recommended)

If you have arranged the above mentioned items, simply follow the detailed guide below to create a bootable Mac OS X Lion 10.7 USB Flash Drive…

Step 1 – Locate the Lion InstallESD.dmg file

Once the Lion downloading is complete, go to the Applications folder and find the Install Mac OS X Lion.app file you just downloaded;
Right click on the Install Mac OS X Lion.app file and select Show Package Contents;

Now go to Contents > SharedSupport directory. Locate the file named: InstallESD.dmg and copy it on your desktop.

Step 2 – Format The USB

Before formatting, If you have any data on your USB drive then save it;
Plug the USB flash drive into your Mac;
Launch Disk Utility from Applications;
Select the plugged USB from the Left pane on the Disk Utility and click on Partition tab;
Select 1 Partition from the Volume Scheme dropdown menu;
Input a name for the USB and Choose Mac OS Extended (Journaled);
Now click on Options button at the bottom. Select GUID Partition Table and click OK. Now click on Apply at the bottom right to start formatting.

Step 3 – Make Mac OS X Lion Bootable USB

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);
Select the plugged USB from the Left pane on the Disk Utility and then go to Restore tab;
Click and drag the IMac OS X Install ESD from the left pane and drop it in the Source field;
Then Click and Drag the USB drive from the left pane and drop it in the Destination field;
Make sure you have chosen the right USB drive, you don’t want to format the wrong drive and then click on Restore button;
This will restore the Lion 10.7 image to the USB Flash drive. Wait for the process to complete.

Step 4 – Boot Mac OS X Lion from USB

Reboot your Mac with the USB drive plugged in.
Hold down the alt/Option key on your keyboard when you hear the OS X start-up sound.
Choose the USB Flash Drive from there to boot.
Now follow the on screen instructions to install OS X Lion.

You can follow the Step 4 to install Lion on other Macs with the bootable USB you just created.

[via Lifehacker]

Mac OS X Lion 10.7.5 Review

Mac OS X Lion 10.7.5 DMG is an upgrade of OS X version 10.7 to improve the stability, compatibility, and security of the Mac. It is recommended for all OS X Lion users and includes general operating system fixes. There are many great features are security tools are added to protect the Mac and user’s privacy. The OSX Lion V10.7.5 has introduced Aqua user interface elements, which includes button and progress bar. The red, yellow and green buttons in the window decorations have also been smaller with the little bit more attractive design.

It includes Gatekeeper, a new security feature that helps Mac users to keep their Mac safe from malicious software by giving more control over what apps are installed on the Mac. The 10.7.5 update also includes fixes that resolve an issue where icons in Launchpad may get rearranged after a restart, improve Wi-Fi reliability for iMac, resolve an issue using Spotlight to search an SMB server and improve compatibility connecting to Active Directory servers.

An amazing update in this version is improved Apple’s screen management tool. In the new updated version of OS X Loin 10.7.5 now advanced interface-related feature included that is Mission Control, which has nothing to do with the iPad. It’s basically an iteration of Expose, the desktop-management tool that shrinks and spreads the applications all over the screen so users can switch between them easily. Another enhanced features in new Lion that most of the users love is full-screen mode. Loin users now enable automatically logging into a NIS account. This update also brings improved Wi-Fi reliability for the iMac. In summary, OS X Lion 10.7.5 got all the necessary tools and features to provide more creative, secure and powerful working environment to its users. You can also Download Mac OSX Lion v10.7.4DMG Free.

Features of Mac OS X Lion 10.7.5

Introduced Aqua user interface elements with button and progress bar
Resolve an issue using Spotlight to search an SMB server
Improve compatibility connecting to Active Directory servers
Easier to use and more powerful in term of progress and security
Multiple versions of documents saved automatically
Enables users to automatically logging into a NIS account
Improved Wi-Fi reliability for the iMac
Resolves a video issue with some VGA projectors

Technical Details for Mac OS X Lion 10.7.5

File Name: Mac_OS_X_Lion_10.7.5_11G63_InstallESD.dmg
File Size: 4.390 GB
Developer: Apple

Mac Os Boot Disk

System Requirements for Mac OS X Lion 10.7.5

Memory (RAM): 1 GB
Hard Disk Space: 4.5 GB
Processor: Intel Multi-core processor

Download Mac OS X Lion 10.7.5 DMG Free

Click on the button given below to download Mac OS X Lion 10.7.5 DMG free. It is a complete offline setup of Mac OS X Lion 10.7.5 with the direct download link. You can also download Mac OS X Mountain Lion 10.8.5

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