Can I re-install snow leopard instead of Lion

Downgrade Lion/Mountain Lion to Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer
      loads select your language and click on the Continue
      button. When the menu bar appears select Disk Utility from the
      Utilities menu.
2. After DU loads select your hard drive (this is the entry with the
      mfgr.'s ID and size) from the left side list. Note the SMART status
      of the drive in DU's status area. If it does not say "Verified" then
      the drive is failing or has failed and will need replacing. SMART
      info will not be reported on external drives. Otherwise, click on
      the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions
      from the drop down menu to one. Set the format type to Mac OS
      Extended (Journaled.) Click on the Options button, set the
      partition scheme to GUID then click on the OK button. Click on
      the Partition button and wait until the process has completed.
4. Quit DU and return to the installer. Install Snow Leopard.
This will erase the whole drive so be sure to backup your files if you don't have a backup already. If you have performed a TM backup using Lion be aware that you cannot restore from that backup in Snow Leopard (see below.) I suggest you make a separate backup using Carbon Copy Cloner.
If you have Snow Leopard Time Machine backups, do a full system restore per #14 in Time Machine - Frequently Asked Questions. If you have subsequent backups from Lion, you can restore newer items selectively, via the "Star Wars" display, per #15 there, but be careful; some Snow Leopard apps may not work with the Lion files.

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I would like to install snow leopard instead of lion on latest macbook pro MD318 (oct.2011) Does anyone know if this is possible? If so, will I have to use install-disks of previous model (eg. MC721) or will retail-disks serve?

Experiencing serious problems with lion, I would like to install snow leopard instead of lion on latest macbook pro MD318 (oct.2011) Does anyone know if this is possible? If so, please tell me how. Will I have to use install-disks of previous model (eg. MC721) ? Or will retail-disks serve?
Thanks steph

Snow Leopard is currently running on this MBP 15", late 2011 model, due to my need to run an old version of FileMaker.
A retail disk with 10.6.3 did not work, I restored my previous Snow Leopard install with Disk Utility.
However, it is not the shipped software and is not officially supported on this Mac. Therefore, your advice to troubleshoot Lion is the best option.

How can i install snow leopard together with lion, on a Lion based MacBook Pro ultimo 2011

Hi
How can I install Snow Leopard on a Lion Based MacBook Pro ultimo 2001. I will both have installed Snow Leopard and Lion on my computer, but how can i do that?
I have purchaded Snow Leopard, but I can installed it
Pls can anyone help me
Best regards and merry christmas
Robert

Apple figures that having supported PowerPC code for the last 6 years is enough so they dropped it.
Why should they have to support some that old forever? It doesn't make good business sense to support some that so few will use.
If you must play those games, my suggestion is to get an older Mac that will support PowerPC. It is going to be a difficult task to get Snow Leopard to run on a new Mac.
Allan

Can I dual boot snow leopard and mountain lion if I've installed boot camp on my drive

Can I dual boot snow leopard and mountain lion if I've installed boot camp on my drive

Yes as I said before. If your model Mac came with Snow Leopard and you are now running Mt Lion and have Windows installed in a Boot Camp Partition all you have to do is make the Mt Lion partition smaller, take the free space and make it another Mac partition and you should be able to install Snow Leopard into that partition.
I have Snow Leopard, Lion and Mt Lion installed on my MBP. No Windows in a Boot Camp partition because I run Windows XP in a Virtual Machine on both Lion and Mt Lion.

Can be possible install snow leopard on my PowerPC G5 PowerMac 4x2.5GHz PowerPc G5

can be possible install snow leopard on my PowerPC G5 PowerMac 4x2.5GHz PowerPc G5 QUAD 8GB RAM

Be sure to read
https://discussions.apple.com/docs/DOC-2295
If you decide to get an Intel Mac. As migrating data is not straight forward.

How can I re-install Snow leopard having installed Lion? The disk supplied states that I cannot use the version of 'Install Mac OS X'...HELP!

How can I re-install Snow leopard having installed Lion? The disk supplied states that I cannot use the version of 'Install Mac OS X'...HELP!

None of the instructions usually given for downgrading seems to mention the fact that you will lose some data in built-in applications, including at least Mail. When you installed Lion, your Mail database was converted from the format used by Snow Leopard's Mail to that used by Lion's Mail. There is no way to reverse that conversion. Therefore, you will lose your entire Mail database. If your messages are all stored on a remote server, that may not be an insurmountable problem, but otherwise you'll have to restore from the last backup you made before the upgrade, and then you'll still lose all changes to the database made since that time.
Another fact not often mentioned is that downgrading is usually the worst possible solution to a problem with Lion. But that's the answer to a question you didn't ask.

Can I upgrade from Snow Leopard to Mountain Lion?

I know it may sound lame to ask this but... can I upgrade from Snow Leopard to Mountain Lion skippin Os Lion?? I'm on a MacBook Pro Intel Core 2 Duo 2.2ghz and I just got Snow Leopard. Do I stay there or can I get the new OS?

Welcome to Apple Support Communities
Of course. Open the Mac App Store and purchase OS X Mountain Lion. Make a backup of your files with Time Machine and check that your applications are compatible > http://www.roaringapps.com
To upgrade to OS X Mountain Lion, you should have at least 4 GB of memory. You can check the amount of RAM you have in  > About this Mac.
OS X Mavericks will be launched in weeks and will include new features > http://www.apple.com/osx/preview

Why can't I install Snow Leopard on my videos hard drive?

I have a Mac Pro with four hard drives. Lion is on the primary drive but I need Snow Leopard for a legacy app. My plan is to install Snow Leopard on a hard drive that I use for video projects, and then restart from that drive when I need to use the old app. The problem is that the Snow Leopard installation disk says that it can't install onto the videos hard drive unless I partition the hard drive, which will erase all the data. Why can't it install onto the videos hard drive? There's no operating system on that hard drive. The hard drive has folders for Final Cut Express Projects, iMovie Events, iMovie Projects, DVDs movies I've ripped, a folder of music, and an iDVD project. What do I need to remove to enable installing Snow Leopard?

If I understand what you are saying you have a drive with "stuff" already on it and you want to install a version of OSX on to it while still retaining that "stuff". If that's what you want to do you cannot do that mainly because there's already "stuff" on that drive.
The only way you can do this is to either of the following:
a. Copy the "stuff" off that drive to another drive. Install the OS. Copy the "stuff" back on to the newly created boot drive.
b. Copy the "stuff" off that drive on to another drive. Partition the drive into at least 2 partitions; one for the boot and one for the "stuff". Install the OS into one of the partitions. Copy the "stuff" back to the other partition.
Either way, if you want to use that disk for a boot disk, you got to get that "stuff" out of the way to do the OSX install on to that disk.

I have an IMAC 11.with no operating system can I still install snow leopard

I have an IMAC 11.2 with no operating system can I still install snow leopard

Yes, but you must get Snow Leopard from AppleCare. Be sure to tell them which model you have. I have the exact same model, and twice they sent me the wrong discs under AppleCare.

I can´t install snow leopard in one lion partition

I have created the partition running Mac OS X lion, rebooted the system with option (or C) key and my macbook crashes and shows a sign saying 'you need to switch of the computer, hold down the .... and restart' and I am not able to install snow leopar in my new partition.

Thank you for your answer. My macbook pro cames with snow leopard, however, I bought lion and completely formated it to install lion. Now, I need to run snow leopard in orden to run some rosetta applicastions such as No Machine. The new version of now machine runs in lion but does not allow me to connect to the server (it runs older version of no machine). That's why I need to create a partition to install snow leopard and run older version of no machine remote desktop software.
Than kyou.
L

Reset Macbook and now I can't re-install Snow Leopard

My mom bought me a late 2009 white Macbook three weeks ago. It was working fine the first few days until I decided to purchase Lion and then two days later it crashed and I had to erase the hard drive and reinstall everything. It took me about a day to fix and reinstall everything, but this time I didn't install Lion. A week later my computer crashed again and I tried to erase the hard drive again and re install Snow Leopard, but this time nothing will install. I'm trying to avoid the hour drive to the closests Apple Store, so if anybody knows how I could fix this it would be great! I'm desperate at this point :/

I actually tried installing the disc again so I could get the message it gives me, but it seems to be installing with no problem. But the message I was getting before was somewhere along the lines "Install failed please restart computer" and then at the bottom it would say to go to disk utilities and repair the disk and I would do that and try to reinstall, but the same message would pop up.

Why can't I install Snow Leopard on an external drive?

In order to open applications which have been rendered useless when I installed Lion, I have been trying to install Snow Leopard from the Install DVD on an external drive. For some reason, it either hangs up and stalls during the installation or, when it does finish the process, I am unable to boot from it. It hangs up and the gear rotates forever. Is it not possible to do what I am attempting to do, whih is to get some use out of my now useless applications, or is there some way to accomplish this with which I am unfamiliar?

I see.
BTW have you considered abandoning Quicken? I was a long time (at least 10 years) Quicken user however it's clear Intuit does not consider the OS X market an important one or not important enough to come out with a true Quicken replacement that will run on the most contemporary version of OS X. Personally I (along with thousands of others) decided the time was right to begin looking at alternatives to Quicken. I chose iBank for it's similarities to Quicken, it's ability to import my Quicken data and it's support. I began using it several months ago now and have been very happy. IMHO it's a better solution than what you're attempting and staying with "dead" software is simply postponing the innevitable which will only become more difficult the longer you postpone it.

How to re install snow leopard after bad lion installation

I installed Lion but it's a nightmare I want to re install snow leopard. How can I do this? I have time machine !
Thanks

Robert Farthing wrote:
Switch off your computer, hold down the option key (usually the key between the ctrl and the cmd keys).
Keeping a finger on the option key, press the start button.
Keep holding the option key as the computer re-boots.
Eventually you will be presented with some options on the screen, one of them will be to restore from Time Machine.
No, you missed a step. You'll see the Recovery HD as one of the options. From that, you can reinstall Lion or restore a Lion Time Machine backup.
But do not use that procedure to restore a Snow Leopard backup; instead, use the procedure in #14 of Time Machine - Frequently Asked Questions.

Mac Pro with Snow Leopard instead of Lion?

Planning to replace an aging G5 with new Mac Pro. The machine's primary usage is editing in FCP (not FCP X). Most projects are long form and I'm in the middle of one right now that will be in post for the remainder of the year. Can I get the new Mac Pro with Snow Leopard (running 10.6.8 currently) instead of Lion to avoid potential issues moving the project over?

martyver wrote:
...Can I get the new Mac Pro with Snow Leopard (running 10.6.8 currently) instead of Lion to avoid potential issues moving the project over?
Not if you buy it new. All of them come with Lion. However, the current Mac Pro's originally shipped with Snow Leopard, and while it's not entirely clear, it may be possible to install Snow Leopard on a new Mac Pro. There are a number of threads here discussing that but the Cliff's Notes version is that the 2010 Mac Pro requires at least 10.6.4, and the last retail version is 10.6.3 so the retail installer won't work. If you can't get Apple to send you the Snow Leopard installer that once shipped with the Mac Pro, posters have said you can't use 10.6.4+ installers specific to another recent Macs to do the job. However, there is a discussion here http://hints.macworld.com/article.php?story=20120123175902871 which explains how that can be made to work. I haven't tried it (I got my Mac Pro while it was still shipping with SL), I don't know if it would actually work, and I don't know if it's even legal, but there it is.

Can I dual boot Snow Leopard and Mountain Lion on one hard drive?

I want to make a new partition and be able to boot to either OS. Is this possible, if so, how? I would think just make a new partition and install the dmg file to that new partition.

@jimmyk11: AppleCare has actually informed me that "No - this MacBooPro9,1 cannot boot Snow Leopard".
It originally came with lion 10.7.4 installed. I have since upgraded to Mountain Lion 10.8 and (today, after a week or so of ML) I reverted to Lion 10.7.4. But now I find I can no longer boot into Lion 10.7.4 from my external FW800 drive (for troubleshooting and housekeeping). So it looks as if the "boot problems" are not confined to Snow Leopard 10.6.8.
Interestingly, I can use this same external drive to boot my iMac (10.7.4) and my older MBP8,3 (10.8) into 10.7.4 - but not the newer MBP9,1.
The MBP9,1 with Lion and Mountain Lion is turning into a disaster when it comes to external booting. If I could, I'd demand a return and a refund. After bottle-feeding Lion for a year, 10.7.4 seems basically stable and can still boot into Snow Leopard and Lion from my external drives if needed. But now I see I have a worse problem: Crippled Hardware. I suspect this bug needs a firmware update - if it is fixable at all.

Can I re-install snow leopard instead of Lion

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