Any time you edit a drives partition table or install a new operating system there is always a small chance something could go wrong, so just be safe and have a backup ready. You can create a new partition on your hard drive with Disk Utility, this does not require you to reformat the drive and you should not lose any data besides, you have that backup just in case something goes wrong, right? It will look something like this:. The key here is to install Lion on the newly created partition and not the default which is atop This is what will enable you to dual boot between Just let this be as it runs.
Due to the fact that you are installing from your local disk to another partition, the whole process is much faster than it would be to install from a DVD. Now that Lion is installed, your default boot drive is set to You can adjust this to be If you want to boot into a different Mac OS X installation than the one that is set as your default in the previous step, you can hold down the Option key during reboot.
You will then see a boot loader like the image at the very top of this tutorial, where you can select which Mac OS X version and volume to boot from.
Many have installed Enjoy this tip? Subscribe to the OSXDaily newsletter to get more of our great Apple tips, tricks, and important news delivered to your inbox! Enter your email address below:. Ok so here it goes. I am not enjoying my gigantic helping of disgusting MS Windows crow.
When i came to my senses and decided to kick Windows finally, I decided on a clean install so therefore set off to copy off the wanted files before heading over to boot and use disk utility. Well the point is now i cannot get it to boot at all. Is there a way i can fix the bootloader so i can load a recovery HD and remove the EFI Password, and finally use it again like normal???
Will this work to install I have an application Quickbooks Mac that stopped working properly on Please respond on site and with email. I have old PPC programs. I partitioned the HD and tried to install Leopard but the Mac refused. Apple says I cannot install older version on this hardware. Any ideas?? I installed Lion from a DMG.
So installed Snow Leopard from my old install disc on my 2nd internal drive. What do you suggest? I am considering a purchase of a MacBook Air 13 inch, that comes with Lion This may be especially challenging without an optical disc drive on the MacBook Air. Would Parallels be an easier fix? Thanks Steve. I already made a second partition, but when I want to install What can I do? I just loaded Snow Leopard on my imac. I want to install Snow Leopard on an external disk.
I bought the SL CD v. Apple Support had no answer. Please help. Thanks for the partition tip! I appologize if the following has been asked and answered already, but will this process work if I start on Lion and add a partition for Snow Leopard? Yes, you can install Snow Leopard on a separate partition after installing Lion, but you will probably need to make the partition from Lion and not a Snow Leopard boot disk. Hi, really useful tutorial and thread. On first partition installation my WiFi stopped working, but thanks to another comment I restarted the router and all fine now.
Thanks to all. After selecting the HD all I get is the Apple start up screen and 3beeps on repeat. Any help on how to boot SL over Lion from an external would be much appreciated. Thanks in advance. There are two methods, actually, both are on our blog.
Install OS X Snow Leopard in VirtualBox on Windows 7 | Redmond Pie
We hope these instructions are useful to others. Good day sir.. Hi Amaury, Did you ever figure this out? Any advice is appreciated.
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So with that being said I usually boot from an external drive with my Monster Logic Set up Installed. Everything went ok with the that, but now when trying to boot from my external HD with the Monster Logic Set Up Installed it wont boot. The the icons will show up for the Hard Drives that I can boot from but once selected. Nothing the apple logo comes up but no pinwheel or anything. I then will have to do a hard reset to boot back to the internal drive. I hope that some one can help me with this.
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I installed lion onto my main drive just discovered this partitioning business after much research and desperately want to revert back to leopard. I do not like lion, it will not let me into my security settings for starters and having fraudulant activity from My visa!
I do not have a time capsule and my computer comes up with error when trying to create a partition. Everything is on my computer… Programmes like ps5 and microsoft word and I nearly re installed sniw leopard until my gut feeling told me I was about to completely restore it from moment I purchased my imac.
Please someone help me :. What do you mean will not let you into your security settings?
What is the message you get when trying to resize the Lion partition? It should let you increase the size of it all the way, be sure you have a backup ready but you could also try booting from the Recovery partition. Is that gb of freespace at the beginning of the drive? I suspect it is. I would like to know if there is a way to move the Lion partition back to the beginning of the drive so it could use that space.
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I have a similar problem but in reverse. I have a Macbook Air Came with Lion and now want to install Is there any way to get Can you install with Fusion?
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I installed Lion now I want both so I can get my Quicken back…. Can this be fixed? As I have already transitioned to Lion, can I create a new partition, reinstall Snow Leopard and have access to the tools that I am desperately missing? Any special considerations going at this backwards? Thanks for your assistance. Am desperate. BIG lesson learned. Will look before I jump next time!!! I can use my Lion permissions to change the permissions, but, what can I do in setting up Lion to use the same Administrative account, or, whatever? Can I access all the applications on Snow Leopard from Lion or do I have to re-install them all, given that the partition is only 40GB that may be problematic?
What do you suggest since I already upgraded to Lion. An idea? SWEET tutorial. This is very easy if you have a dual Smooth as silk. Thanks for the great i. Now I gotta find all the old stuff on my MBP and make it available.
yuzu-washoku.com/components/2019-11-25/4193.php 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!