How do I uninstall mountain lion and reinstall snow leopard

If I had known that I would not be able to use my excel files I would not have purchased OSX Mountain Lion. Is there a way to uninstall mountain lion and reinstall snow leopard?
Thank you,

To get more to the point the answer is the only way to go back to SnowLeopard is if you have a complete backup of your system from before the upgrade.
If you do you would boot off your original SL DVD wipe the disk and install SL and then restore from your SL backups.
Short of that here is no way to go back. But as the others have offered there are other less drastic means to deal with the problem.
regards

Similar Messages

HT3910 How do I erase Mountain Lion and reinstall Snow Leopard?

Can anyone help me erase Mountain Lion and reinstall Snow Leopard. When I had installed Mountain Lion,I discovered that my music notation program, Overture was not working with Mountain Lion. Please help me, years of work is for now lost.

Back up your data files.
Use the Snow Leopard installer disc to completely erase your hard drive and everything on it.
Re-install the SL operating system, then all your applications, then your data files.
If you happened to make a bootable backup clone of your hard drive before installing Mountail Lion then you can just clone the backup back to your drive.

Uninstall mountain lion and reinstall lion

how can i uninstall mountain lion and reinstall lion please i have no disks

https://discussions.apple.com/docs/DOC-1948

How do you erase mountain lion to install snow leopard?

Hi, My mother now has a new to her late 09 mini that originally shipped with snow leopard. When she bought it it came with mountain lion preinstalled from a private seller. We were thinking that to be on the safe side that it might be better to erase and install what's on it just to be sure it is secure. I tried to erase and install snow leopard from a disk but it says that the installer is not compatible with this version of osx(mountain lion). Question: How do I erase mountain lion and install snow leopard?
I've read here that there is possibly a built in recovery disk that I can use to erase and reinstall mountain lion. Q: Is there a built in recovery disk available in my situation? and if so should I use it or be even safer by installing snow leopard instead?
Thank you,

I think I found the answer (from sl install disk use disk utility to erase then install sl). Thanks for looking.

I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how to uninstall this one and reinstall snow leopard?

Hello,
I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how to uninstall this one and reinstall snow leopard? I tried to do it by my original CDs but macbook pro didn't let me to do it.
Thanks

It would be easier to just fix whatever is making your machine slow.
I wrote a little diagnostic program to help show what might be causing these problems. Download EtreCheck from http://www.etresoft.com/download/EtreCheck.zip, run it, and paste the results here.
Disclaimer: Although EtreCheck is free, there are other links on my site that could give me some form of compensation, financial or otherwise.

HELP! How do I remove Lion and reinstall Snow Leopard and my files

HELP! How do I remove Lion and reinstall Snow Leopard & my files BUT I just discovered my Apple Time Capsule which was using Time Machine DIED
I had to go to MacMall and have the Time Capsule data transfered to a new BAK drive($300+$300)
(The Apple Store sent me there as they said they do not do data transfer)
Now what do I do?
? ? One Senior advisor said that I will have to drag and drop the data file or files? from the Time Capsule BAK drive back to my iMAC but will that include all the Snow Leopard operating system ?
? ? Another senior advisor said I will have to wipe my hard drive then install Snow Leopard then "drag and drop", ? ??
All my business leases, database, spreadsheets. letters, mail merge files, and so on are not available with Lion -
I AM VERY ANGRY AS I NEVER SAW THAT WRITTEN ANYWHERE !!!
I am seriously confused and I AM SCARED TO MAKE A MISTAKE-HELP !!
WHAT DO I DO ? AND IN WHAT ORDER? PLEASE HELP!

Your post is confusing to read too.
It sounds like you still have your files on your Mac. Why do you want to back track to Snow Leopard on your Mac? Why can't you read your files from your Mac? If your files are on your Mac, why are you taking them off your broken Time Capsule? You don't have to install Snow Leopard to transfer your files back to your Mac. Maybe step back a bit and explain your situation a little better with details. For instance, what's a BAK drive? Suggest you explain what you are trying to do?
Before you do anything, create a backup of your Mac to another disk drive.. suggest you use Carbon Copy Cloner to make another copy of your Mac.

How do you erase Lion and reinstall Snow Leopard

I want to remove Lion and reinstall Snow Leopard. I put the install disc in and clicked Install so that I could get to the disc utilities. Got a reading that this version of OS X cannot be used on this computer. I'm using a mid-2010 15" MacBook Pro. I don't have any backups made, but I am not worried about that...I just want to go back to using Snow Leopard. Lion has too many quirks I don't want to put up with. Any suggestions?

Downgrade 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 3.4.1.
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.

How do I Uninstall OS X Mavericks & reinstall Snow leopard?

I want to uninstall OS X Mavericks & reinstall Snow Leopard. Mavericks has disabled iPhotos & some other software I use daily so I want to get rid of this new OS. Anyone know where to start? I can't seem to find my way around this new OS. Thanks.

https://discussions.apple.com/thread/5472040?tstart=0

Upgrading to Mountain Lion of reinstalling Snow Leopard?

Hi,
I want to reinstall my OSX, so I was wandering if it was a better idea to buy Mountain Lion instead of installing Snow Leopard again.
I have a 2010 MacBook Pro (dual core 2.66 GHz i7, 4GB RAM, etc.) but I am worried that Mountain Lion will be significantly slower than Snow Leopard. This is my first Mac so I am judging this by my experiences with Windows, where XP was much faster than Windows 7.
I currently don't need any of the new features that were added to Lion or Mountain Lion and I am fine with Snow Leopard (I know some guys that are still using Tiger). Still, I would not like to fall far behind since the newest OSX is already two versions infront of mine, but what is mostly concerning me is the speed of my Mac. Has anyone tried it on a MacBook Pro like this one? What do you think will be the best option? (I don't care about the money since Mountain Lion is only $20)
Thank you,
Vince.

I'm using Yosemite on an early 2008 iMac, so Yosemite should run on your computer. The biggest thing that would help Yosemite run better is maxing out your RAM.
I would pick Mountain Lion over Lion. Tried them both and Mountain Lion was much better.
One option is to create a new partition (~30- 50 GB), install the new OS, and ‘test drive’ it. If you like/don’t like it it, you can then remove the partition. Do a backup before you do anything. By doing this, if you don’t like it you won’t have to go though the revert process.
Check to make sure your applications are compatible.
Application Compatibility
Applications Compatibility (2)

Need to reformat HDD running Mountain Lion and install Snow Leopard

I bought a new Retina Display MBP and want to sell my Late 2008 MBP.
My 2008 MBP is running Mountain Lion, but I want to format the HDD and install Snow Leopard. When I try installing Snow Leopard from the DVD, I get the following message: "You can;t use this version of the application Install Mac OS X.app with this version of Mac OS X."
How can I get this done?

The only way to do it is to boot from the Snow Leopard installer disc and the erase and install. In other words you cannot "downgrade" OS X 10.6 over top of 10.8. Besides, if selling it an erase and install is the best thing to do anywya - gets all your info off it.

How to downgrade from Mountain Lion back to snow leopard with Time Machine

The final straw was the horrible mouse sideways page wiggle while trying to scroll down and read safari pages. Even after turning the feature off, tech support said it will still wiggle a little. That and the HORRIBLE grey icons everywhere was enough to send me back to my beloved iMac I loved when I bought it. I'll give up the iMessage and the few new items ML gave me. But as many others said, what I got new was far less than what was taken away.
So what tech support had me do was this. Even though the apple engineers said it would not work, apple tech support had me try it and it worked for me so good luck. Engineers said that after you install mountain Lion, it messes with ALL your time machine back ups and won't revert back to snow leopard even if you select a snow leopard date back in time. That didn't happen to me. I have a 2010 27 inch iMac
This worked for me but PROCEED AT YOU OWN RISK
Export individually any email folders or photos or data you will lose between now and the date you are reverting back to.
1. Insert Snow Leopard DVD that came with computer. The install disk not the applications. Make sure time machine external drive IS connected.
2. Restart computer and when you hear The Mac chime, hold down the C key and then it will take several minutes to boot up from the DVD.
3. Select the little blue triangle to continue in English.
4. When it gets to the screen that says "continue" stop. There might be a screen or two before this one I can't remember but either way stop at the word continue.
5. Go up to the top left and find the UTILITIES pull down menu and select disk utility.
6. In the window that opens up, Select the Apple drive which should be the very top one in the window.
7. Select erase.. it should be Mac OS extended journaled
8 select erase and maybe a password. It only takes a few seconds
9 go back up to UTILITIES in upper left and then select restore from time machine or backup or whatever it says. It's the last choice.
10. Select the external time machine drive and navigate to the date you last had Snow Leopard running and that will be the date it restores to. You will lose any data between now and then but you can export your mail, export photos, and other items separately. I only stayed on ML For a few days before hating it enough to go back so I had no loss of data except a few emails.
11. Hit RESTORE. And then it will take several hours. When you restart it, it should come right back to that day you selected as if ML was just a bad thought on someone's drawing board.   If for some reason it still comes up ML, Then they said to erase HD Again (steps 1-8) and then manually drags back USER folder or individual folders with Mail, photos etc.   if this way doesn't work, have another plan printed out so that you are not stuck by this one.
Good luck. Proceed at your own risk..

The ultimate solution:
You need an USB of at least 5 GB and the Snow Leopard Install DVD.
1. make a bootable USB with Disk Utility in it:
     a. download the Mountain Lion Installer from the App Store
     b. quit the installer after download
     c. find the installer in the Applications folder
     d. option+click in it and select "Show Pakage Contents"
     e. go to Contents>SharedSupport to find there the InstallESD.dmg file and mount it by double-clicking it
     f. with the Disk Utility, restore its contents into your USB
2. boot from the USB:
     a. restart the computer and hold-down the option key while booting
     b. select the USB and boot
3. run the Disk Utility and format in ONE partition the HD of your computer
REMEMBER: BACKUP YOUR HARD DISK BEFORE DOING ALL THESE, YOUR DISK WILL BE EREASED AND DATA BECOME UNRECOVERABLE OTHERWISE
4. insert the Snow Leopard DVD and reboot from it
5. follow the on-screen instructions to install OS X 10.6
After this, you can, if you will, upgrade to Lion or stay in Snow... Good Luck!!

How do I install Mountain Lion - I have snow leopard ?

I am completely confused
I have Snow Leopard - Mac OS X 10.6.8 on my Macbook 7,1
I have XCode 3.2.3
Want to upgrade to Mountain Lion 10.8
Downloaded a huge dmg - about 1.7 GB from iOS Dev center ( am a registered user here after I paid USD 99 )
Clicked on ' Technical Resources and Tools ' >> Clicked on 'Downloads' under ' Resources for iOS6 ' >> See a XCode 4.6.1 option to download
It also says :
Posted Date: March 14, 2013
Build: 4H512
Included iOS SDK: iOS 6.1
Included Mac SDK: Mac OS X 10.8
Finally got the download complete ( have very poor network connectivity at home )
double clicked it and it opened a window where I dragged and dropped it
something happened and in 'Applications' XCode is shown but with a prohibitionary image on the icon
If I double click it - it says :
"You cant use this version of the application Xcode with this version of Mac OS X - You have Mac OS X 10.6.8 The application requires Mac OS X 10.7.4 or later "
which is fine - I downloaded this dmg because it said it had Mountain Lion
The way I thought this would work is the installer would upgrade to Mountain Lion and then XCode - but I dont see anything apart from XCode
Please help
satish

Firstly, you cannot get Mountain Lion as a developer for iOS. You have to become a registered OS X developer. Secondly, if you want Mountain Lion then open App Store, sign in with your Apple ID, purchase and download Mountain Lion.
XCode is not Mountain Lion and Mountain Lion was never included with XCode.

How do I uninstall Mountain Lion and restore the prior program?

I am having too much trouble with my iMac since purchasing and downloading Mountain Lion. Can anyone give me simple directions on how to uninstall the OS and revert back to the prior program. I am not a computer savant! thanks

Unfortunately, installing a previous version of OS X is not simple. It might be easier to try to address the issues you're having with 10.8 - if you can explain what's happening, we can try to help.
Matt

How do I uninstall mountain lion and go back to lion, how do I uninstall mountain lion and go back to lion

Please help!!! I dont like it!

The installer may do squirrelly things in an upgrade like nip and tuck the code, turning Lion into Mountain Lion. The best option is to do a fresh install. Do a Time Machine backup of your files (you can probably exclude the system folder and apps - just download them again from the App Store). Concentrate on your home folder - iTunes files, your library folder, iPhoto library, etc. Re-download Mountain Lion from the App Store. If the installer starts, quit the app. Now go to your Application folder and find the Mountain Lion installer. View the contents of the package and go to Contents:SharedSupport:InstallESD.dmg. Drag the .dmg file to your desktop or someplace else convenient. Next, open Disk Utility and burn the disk image to an 8 GB DVD or flash drive. If you burn it to a flash drive, you may get an error saying the burn failed. If it burned for a while, long enough for the image to actually copy over, ignore it. Reboot your Mac whole holding down the Option key with the flash drive in a USB port or DVD in the drive. You should get the option to boot from that drive. Select the Mountain Lion DVD/USB option to test the boot. You can then either continue the installation or quit the installer until you're ready.
If you purchased Lion from the App Store previously, there doesn't seem to be a way to download Lion within Mountain Lion. You may have a friend with either Lion or a newer Mac with Snow Leopard installed, if so, you may want to login to their App Store, download it, and try to install Lion that way. If you bought your Mac with Lion preinstalled, you won't be able to download Lion at all.

Anyone know how to uninstall Lion and reinstall snow leopard without having to pay the $29?

Ever since I purchased and downloaded Lion I have been having problems (applications not running properly or not at all and the computer locks up like every 10 minutes resulting in me having to restart) and want to go back to snow leopard until I feel comfortable that Lion is ready to go.

Thanks Roscoe . . . .
I came back to this forum to share my experience. I'm working with a 2007/08 - 17" MB Pro. With the LEOPARD OS, not Snow Leopard. I used my original discs and reformatted, reinstalled Leopard. I was able to open Time Machine and restore the files saved on on an external drive. I used this time to make changes to my Apps, and having just doubled my RAM prior to the 'Lion Upgrade', had no issues of slowing or freezing as others are apparently having. Like you, this was relatively painless, though it did take some time to transfer all of my files.
I hesitated performing this process for nearly a month, but kept checking my back-ups to ensure that I had still some saved from the Leopard days. Unfortunately, I was unable to do much of anything. I'm a graphic designer and sell items online, EVERYTHING came to a complete stop with Lion. I couldn't communicate with my printer at all, no fax, no copies, no prints, no scans. I couldn't download images from my camera. Some of my Apps, stopped working, I hated the missing 'Save As' feature. My image viewer and browsers crashed constantly, and my home network 'LOST' me! I couldn't take another day of NO productivity!
My advice to anyone changing or upgrading ANY O.S., whether Mac or PC, always; ALWAYS back up your drive first! We should be backing up often anyway, but it is certainly important to ensure the security of all of your files and program downloads or installations by copying everything prior to making any hardware or software changes. For a small investment of $50 to $100, you can get an external drive. Having the capability of restoring all of your data is . . . priceless!
Thanks everyone for sharing. Good luck to those experiences these problems. Have Faith, Apple will fix it's issues, and the other manufacturers WILL catch up on the driver codes. We all just need to be patient, until then; keep on 'backing up'!
*** JJ; were you able to restore an earlier back up? Did that fix your issue? I found a great deal on RAM from Crucial, sometimes this will help increase our speed and performance . . . . just a thought.
Christi

How do I uninstall mountain lion and reinstall snow leopard

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