Bootable mac os x 10.7 lion installer from a usb flash drive

Locate the installer in your Application folder and click it once to select it. Use it to recover from if you make a mistake in this How to. Right-click and select the option to Show Package Contents. Double-click the Contents folder to open it. Inside the Contents folder you will find a SharedSupport folder. Double-click it to open that. Here you'll find the InstallESD. If you backed up the installation file as instructed and don't see it here, find the backup.

Right-click the InstallESD. Switch to Finder and paste the file to your Desktop. Paste this -- do not drag it. Doing so endangers the installation application. Open the Applications folder in Finder and locate the Utilities folder. Double-click to open it. Double-click the Disk Utility icon to open it. Move the ESDInstall. Drop it into the left-most windowpane inside of Disk Utility. Click on the Restore tab. Now insert your blank USB drive. Once it appears on the Finder desktop, move its icon to the Disk Utility window.

Drop it onto the Destination. If you are prompted for your user ID and password, enter them and hit OK. This starts the copying process. The process copies the InstallESD. You're done. Keep the drive in a safe place. You never know when you'll need to do a fresh install. Use this disk to boot any OS X Install OS X Lion Nice job. IT Strategy. Digital Business. Project Management. Finally, a bootable installer drive makes it easier to install Lion over Leopard assuming you have the license to do so.

When this article was originally published, the Mac App Store version of Lion would not boot any Macs released in mid or later, as those models shipped with a newer version of Lion preinstalled. If your only Mac was released after Lion, so you can't download the Lion installer from the Mac App Store, I've also provided instructions for creating a bootable Lion-install drive for newer Macs. The next steps depend on whether you want to create a bootable hard drive or flash drive, or a bootable DVD.

I recommend a hard drive or flash drive—a DVD will work, but it takes a long time to boot and install. In versions of the Lion installer prior to However, with the You can use Disk Utility's Restore screen to create a bootable flash drive or hard drive. 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.

So if you plan to use that installer on other Macs, or to create a bootable disc or drive as explained here, be sure to copy the installer to another drive—or at least move it out of the Applications folder—before you install. If you don't, you'll have to re-download the entire thing from the Mac App Store. If you've already installed Lion—so it's too late to move the installer—you've may find that the Mac App Store claims that Lion is already installed and prevents you from downloading it again.

As I explained in our main Lion-installation article, you should be able to force a re-download using one of the following three tricks: One of these three procedures should get rid of the "Installed" status for Lion and let you download it. Apple appears to have recently made this process easier: If you previously purchased Lion from the Mac App Store, the button next to Lion in the Store should simply say Download—click it to re-download the installer. 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.

But there are I have a copy of the dmg file on a DVD made before install. I also recommend installing Lion from scratch, since lots of apps are still not fully compatible with the new cat. Speaking of incompatibility, a […]. I want to create a bootable installer from the existing system.

Apple hasn't said […]. Thanks for the tip, I just downloaded the app from torrent. I wana know about the registration or serial number! So, short of making sure you only have a disk breakdown when in range of a fast Internet connection, you might still want to make your own installer stick.

Note that this will not be possible if you buy Lion from the App Store — when you click to buy it immediately starts downloaded if you already have an App Store account with a designated credit card. When the download is finished, hours later! Because if the installation does ahead, the. As a result, I am having to download the OS a second time for another machine instead of doing it the easy way!

As others have stated you MUST exit the installer after the app downloads. Simply go to the upper left menu and QUIT it. Also, for those still questioning it…. Be advised however that this is not a choice when running the installer. Now ….. Also without doing a clean install,. Backup your songs and pictures beforehand, of course. Yes if all you want is a Recovery Disk, but this method shows you how to create an installer USB drive, which allows you to perform a fresh OS X Lion installation without accessing the internet.

Or will you only be able to perform A clean install with this? I have made my lion sd card but when I boot it it says lion cannot be installed please try an reinstall. Just an endless loop. Another option would be to find a copy of "InstallESD. This will not require an Internet […]. Is there a way to resume from where I left off or I have start all over again!

I think this is the absolute worst way to distribute a software of 3.

Create your own OS X Lion boot DVD, USB drive or SD card | MacYourself

Hi all… We developed a standred application project. Thanks in advance zeedenmark. Not one has booted. Hold down the power button until the computer shuts off…etc.


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If you follow these instructions you will be able to download the updated I have both downloaded and installed Lion and it is up and running but I cannot find the quoted file nor do I see a file in the download folder suggesting a. Hey I was a dumb dumb, and bought the usb key knowing of ability to clone dvd snow leopard , and wanting a fresh install thought I was smart. Also Lion usb actually reads as a dvd.

Instructions for that can be found here. Once you are done getting the installer on your media of choice, run the installer just like […]. My wife has a Macbook pro with a Leopard That is to say, not a clean install…. I hope this is not mentioned already. Thanks a bunch! Thank you very much for this explanation! I really had no clue how to do it and this is very clear. I have taken the same USB stick that worked earlier and is working on tests with other computer and hold option when launching to get choice of start up disk at launch….

Thumb drive is clean, readable, etc. Question is…. Should I wipe drive completely first…. Also if i included back up DVDs when i sell one will the buyer be able to restore again without using a apple id or password? Great that is what I was looking for!! I also created a partition in my hard drive and used your method to create a restore point thank you. This procedure needs to be updated for Lion OS Additionally, Disk Utility This took me a while to notice, and it was right in front of my face.

Updating your USB stick to I find that an 8GB stick works best, and will allow for file size growth which may be inevitable in future OS updates. Hope this helps! Yeah, I just stumbled on that too… If you go into the App Store and click on Updates you can update your Lion installer to version 1. Using the InstallESD. That is cool! If you open App Store and click Updates, you can update your Lion installer to version 1. It replaces your copy if you allowed it to self-erase at installation. But using the InstallESD. That is cool. Men, and later how i erase the partition?

So what would it take to get you to put that Tech support there suggested I find someone like you who has Guys i got a problem, my mac sistem frozed, it wont start. Anyone knows if there is a way to make one bootable usb for mac in windows?

How to Clean Install Mac OS X Lion Using a USB Flash Drive

I was wondering if this can work if you have the Mountain Lion Can you reinstall Lion if your system has Mountain Lion This blows. I will keep plugging away. I have a Mac Air gifted by son. I am almost a dummy, with only very limited proficiency in mac. Son upgraded the OS to Lion free as it was allowed. It is running OK. Dudes, how i erase the partition of the mac os x lion installer of my flash usb? Hi just one quick question does this method saves me from having to access the internet to download Lion after booting from the USB?

So I would like and option to install the Lion entirely from a USB without having to access the internet at all.!!!! Anyone have any idea whats wrong????? Open the file in the Applications folder and make a bootable USB thumb drive as set out: Worked like a charm. I was needing to do a clean install. The upgrade made things horribly slow, and no amount of maintenance would correct it. But each time I reboot holding down the Option key, the USB 32 gig flash drive fails to be listed in the available drives.

Then the regular hard drive options appear. Thanks for your reply. Yes, the drive is formatted just as it should be.


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One partition, GUID. Is there a way to run a complete Desktop Version of Lion Rather than simply running the Lion Installer? It is very likely that your usb cannot be used as a bootable unit. I suggest trying a different usb drive.

How to Create a Bootable Mac OS X Lion Installation USB Drive

I only have one Mac Macbook Pro. I purchased Lion with my brothers Apple ID. He forgot his password to his ID and any forms of recovering it and my macbook is stuck on the Recovery boot screen.


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Is there any possible way to do this on a windows computer but for a Mac boot? Spot on, many thanks. I just wanted to confirm that this works perfectly with Mountain Lion too. I was having problems trying to restore the DMG directly, and mounting it first and restoring the contained disc image is what I had to do. I basically followed the instructions from OSX Daily page: Though About. I had a copy of the Lion installer, […]. Anyone got an idea what is wrong here? The system is an Intel CPU so thats not it. The only thing that is slightly different is when I made the disk the step that says Right-Click then restore, I do not get that option only the top 4, so I used the Restore Tab is this the problem?

The files were on the stick so, after zapping pram, it has now started up and is reinstalling Lion. My ext 1tb will not un mount, I got it going for a moment, due to bad permission in aperture , it wen funny again. The drive shows folders but no files, , I cannot partition it or do I want to? No as my 9 years of photos are on it, Now , I have the lion ox Your external hard drive might be failing if it will not mount or be visible in Disk Utility, making a boot installer is not going to help that situation. If the data is important, take it to a data recovery expert.

Apple Store could be helpful, but data recovery may be a better option. The machine will not boot up. My hope is to download Lion to an external drive, and then boot the Macbook Air from the external drive. Perhaps a clean re-install of Lion, … whatever works. Only complication might be that the back up on the HDD will be too big for the partition drive of GB… i think the backup is something like GB.

Can you confirm before i go ahead, something? If i install Lion and try and back up to the GB Lion partition, will it fail due to lack of space, or …. If i have to partition the drive to allow for GB plus, that would only leave me 50GB for Yosemite. Which to be honest, i would rather. I prefer Lion. Yosemite is a bit flashy, and kinda crap IMO. So i just installed a fresh copy of Lion, and I can access my files from my backup from my External HD at a later date, can copy them over, etc.

Thanks very much OSX Daily people; i had to restore my dual boot of Lion and Yosemite to a clean install of Yosemite after some fan issues causing my fans to spin too much. At least i can take it in and tell them that now, because i need Lion on the drive to access old programmes and files. I followed all these steps, when I finally plugged it into the computer and selected the usb key just like in the image above I got a black screen with a white flashing line in the top left corner.

Any ideas what went wrong or how to fix this?

How To Create an OS X 10.7 USB Install Drive

It des not shie the restore option. Only Help Unmount Eject Reveal. There is no InstallESD. No SharedSupport folder at all. What do I do.

I purchased OS X Lion from the App store and now it will not download onto my computer in order for me to turn my flash drive into a bootable installer. My Macbook pro not boot and goes to online backup but after backup not working just show white page what can i do. Name required. Mail will not be published required. All Rights Reserved. Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Joseph says: July 8, at 1: Angga says: July 8, at 2: Andrey says: July 8, at 7: AJ says: July 10, at Bones says: July 27, at 7: Dan says: July 20, at Mark says: October 21, at 8: Jonny says: November 16, at 8: March 2, at 7: PsychoX says: July 9, at 7: Hofi says: August 24, at 8: David B.

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