OS X The last option, Erase and Install, is also known as a clean install because it fully erases the selected drive volume before installing OS X The Erase and Install option should, therefore, offer the cleanest, smallest, and best performing version of OS X It can also be the quickest install when you are purposely creating a fresh install with no user data to restore. Unless you make advance preparations, the erase process will wipe out all of your data. The alternative way to start the install process is to boot directly from the DVD, without first mounting the installation DVD on your desktop.
After it restarts, your Mac will guide you through the installation process. During the installation of OS X With the installation completed, the OS X You don't have to use an Apple-supplied keyboard; most Windows-based keyboards will work just fine. The Setup Assistant will walk you through the process of determining the type of keyboard you have.
Resizing a Mac Drive Partition with Disk Utility
Your Mac needs at least one administrator account. At this point in the setup process, you will be asked to create the first user account, which will also be the administrator account. Mac accounts are no longer supported having been replaced by iCloud , so you may want to skip past this section. But first, you can decide whether to create a. You will be automatically logged in with the administrator account you created earlier, and the desktop will display.
Share Pin Email. Tom Nelson has written hundreds of articles, tutorials, and reviews for Other World Computing and About. He is the president of Coyote Moon, Inc. A half-hour to two hours of time. Insert the OS X Your Mac will restart and boot from the installation DVD. Restarting from the DVD can take a little while, so be patient. Start your Mac while holding down the option key. Your Mac will display the Startup Manager, and a list of icons that represent all of the bootable devices available to your Mac. After a few moments, the Install DVD should show as one of the bootable icons.
Select the main language OS X Leopard should use, and click the right-facing arrow. The Welcome window will display, offering to guide you through the installation. When Disk Utility opens, select the hard drive volume you wish to use for the Leopard installation.
This will start the process of verifying and repairing, if necessary, the selected hard drive volume. You will be returned to the Welcome window of the Leopard installer. The Select a Destination window will display, listing all of the hard drive volumes that the OS X Select the hard drive volume you wish to install OS X You can select any of the volumes listed, including any that have a yellow warning sign. This tutorial assumes that you will choose Erase and Install. The OS X A list of the software packages that will be installed will display.
Two of the packages Printer Drivers and Language Translations can be pared down to reduce the amount of space needed for the installation. On the other hand, if you have plenty of storage space, you can just leave the software package selections as is. Click the expansion triangle next to Printer Drivers and Language Translation. If you have plenty of hard drive space, you should install all of the drivers. Smooth as silk.
Thanks for the great i. Now I gotta find all the old stuff on my MBP and make it available. Is there a way to co-share the program and data from SL without having to port the program and data over to Lion partition? I just upgraded to Lion. Then, realized too late! I am wondering the same thing! My boss upgraded to Lion and can no longer access her Quicken accounting files :.
I still have snow leopard in main partitiont. Can anyone tell me how to erase lion partition i have created, though snow leopard? In disk utility use restore option source will be your Lion installation media in my case it was lion. Once this is restored in 10 GB temp partition, open temp partition and run installation from there instead of Lion.
It worked for me , while writing here second Lion installation is going on on 3 of My mac pro servers. I created a new partition and flashed the Lion image to it and ran the install from there. You should be able to remove the Lion installation partition directly from Disk Utility by selecting the partition and just deleting it. I covered this here:. I would strongly recommend keeping the recovery partition, even if you have a separate boot disk or drive created.
Here is a guide to create a bootable external USB device:. If I have Lion installed on a separate partition and later want to delete my old Snow Leopard partition, how I can get all my third-party software Adobe CS5, Office , Parallels, etc. What about old emails, photos, iTunes music etc?
Or, is all that done automatically during the Lion install. Installing Lion on a separate partition creates a clean install that does not include any of your old apps, emails, or photos. If you want to have all of your old apps and documents, you can either restore from a Time Machine backup or better yet just upgrade from Mac OS X Snow Leopard to Lion directly. Great tuorial, thanks. The final release of Lion will be downloadable from the Mac App Store via Snow Leopard, and you will probably want to perform a clean install of it rather than upgrade over the developer betas.
Thanks for quick instructions.. I got my Preview last night and almost had unstoppable inclined to install on Leopard.. Glad to see this in the morning now again i can resist to go home and get my hand on Lion ;. I am new to mac, and this might sound silly, but I was wondering…I installed mac os x lion aside mac os snow leopard dual boot. I noticed when using mac os x lion, the system uses software which is installed on snow leopard but not on lion itself.
How is that possible? An example — I wanted to open a. I have a software installed for this on snow leopard, but not on os lion. But os lion managed to open. Lion and Snow Leopard can read each others partitions easily, but more likely is that Lion includes an improved archive handling utility that will extract rar files. Now you might say my situation is unique because My MacBook Air dual boots between Lion and Snow Leopard, but upon looking at some friends Macs I discovered that even in a single boot setup, a startup […].
I have Lion 1 installed on a partition drive and I did the update from software update. I get all the way through and went it asks me to hit the restart…I get this message. An error occurred while preparing the installation. Try running it application again. I installed Lion 1 with no problems. The partition cannot be resized. Try reducing the amount of change in the size of the partition. Are you trying to repartition the boot drive, the drive you just booted from? You also may also do this to run repairs on boot disk if needed or to check if a startup problem is software or hardware If it boots from installer but not from normal system then it indicates a problem with system and not with hardware.
Any ideas? Is there any problem in deleting this new partition should I decide I want to go back to my current state? Not at all, you can just delete the partition through Disk Utility. That said, you should always have a recent backup of your Mac before you change the partition scheme just in case something goes wrong. I have the same problem, I want to delete my partition, but I get the message telling me that I need a newer OS to do this.
I have the same problem after installing Lion osx full release made a small partition everything seems fine bu wanted to now resize and it will not let me? So tried to add a new partition and install again and it says need a newer version of osx to do so? I have the latest SL. Then tried to delete the Lion partition and start from scratch and it says again newer version of OSx needed? I have a 32GB flash drive and was wondering if I could install Lion on it and boot from the flash drive.
Check out our guide to install Mac OS X This is the problem I have.
Have you tried restoring from a time-machine backup? If you have that option, plug in your time machine external drive and hold the option key. Choose the time machine recovery drive and it should restore your system. I could be wrong, though. I would also recommend trying a fresh install of As far as I could tell, it had installed all the stuff from my backup, but just not a bootable copy of the OS, so I had to re-install SL while booting from my disc.
I think you could do the same to overwrite Lion with a copy os SL from the SL install discs, without damaging the files on the disc? Not sure if thats how it works or not though. I know this is a late comment, but you have two choices. Partition your disk and install Snow Leopard and then get Lion and partition your disk again to triple boot. Yes just make sure they are all on their own unique partitions.
I have Windows 7 in boot camp for gaming. I installed windows 7 using bootcamp, worked fine. If I am not mistaken, Bootcamp requires it to be in the last partition but with a maximum of 3 partitions. If you go beyond 3 partitions, Windows will not be able to boot. With Lion, the problem is that the new Recovery Hd takes up a partition. Therefore, it is not possible for Windows to boot. Instead, you will have to remove that recovery partition, or just have Lion, Lion Recovery and Bootcamp. Fantastic walkthrough, I have wondered if this was possible because so many initial reports involved upgrading Name required.
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Resize Partitions in Mac OS X with Disk Utility
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