Can I back up computer with time machine on lion then reinstall snow leopard and restore from backup safely

Can I back up computer with time machine on lion then reinstall snow leopard and restore from backup safely?

If your machine came with Snow Leopard or earlier and you have your install disks, yes, you can reinstall SL. However, you will need to erase the entire hard drive so you will lose all your files. Also note that there are some apps (such as Mail) which can't be downgraded "automatically" such as with a restore from Time Machine. Here is some info on TM:
http://pondini.org/TM/14.html

Similar Messages

  • Backing up computer with Time Machine

    ! was trying to do a backup for my Mac OS 10.6.8 so I can upgrade to OS 10.7. I was using Time Machine. After 12 hours, it still hadn't finished, so I canceled it. I have thousands of documents and pictures. Could it just be slow, or do I have to do something else, other than couble click on the application icon to get it started? It displays on the lower right different dates, including Now.

    http://support.apple.com/kb/HT1427 
    http://support.apple.com/kb/VI29 
    Research Apple's Knowledge Base - http://support.apple.com/kb/index?page=search 

  • My external hard drive (1TB WD My Book Essential) suddenly has no room to backup with Time Machine! I am using Maverick OS and wondered if it is because of a bug in the system software.

    My external hard drive (1TB WD My Book Essential) suddenly has no room to backup with Time Machine! I am using Maverick OS and wondered if it is because of a bug in the system software. I purchased a new external drive with 3 TB and wonder if I will run into a problem installing it. I don't know how to transfer my files from the previous HD to the New one. I was told to use a cable, but how do I do it? Do I connect them both to the computer and drag the old into the new? How is it done?  Why did this happen, the overloading of the Time Machine?

    Why has the TimeMachine drive run out of space?
    With the limited amount of information you've provided it is hard to answer this question. TimeMachine should continue making backups until the drive is full and then it should erase the oldest backup(s) to retrieve enough space for the next backup. Unless your computer's hard drive has close to 1TB of space on it, you shouldn't see a message saying TM cannot backup because it is full. However if you do have more than 500GB (1/2 a TB) then I can see how that message might occur. Also, if you are using the TM drive for double duty (backing up more than one computer or storing data other than TM) you could get that message.
    Will you have this problem with a 3TB drive?
    I always recommend that people look at how much they'll be backing up in total, add a bit extra for the future, and then multiply that by at least 1.5 and even better to double it. That indicates how large the TM backup drive should be. The TM drive should only be used for TM backups. It is ok to use one drive to back up  more than one computer but if doing so, add up the contents of all the computer drives, adjust for the future and then double it.
    Moving Forward
    Disconnect the old TM drive for now. Connect the new drive and let TM do its job. I don't recommend that you try to transfer the TM backup from the old drive to the new one. Keep the old drive around for a couple months just in case you find you need it and then after a few months, if you like, you can erase it and use it for something else.

  • While updating my iphone 4s to ios6, I had to restore it. Now every time I connect to itunes, I get the "Set Up Your iPhone" window with the set up as new iphone and restore from backup options. After the restore, I got everything except my apps back.

    While updating my iphone 4s to ios6, I had to restore it. Now every time I connect to itunes, I get the "Set Up Your iPhone" window with the set up as new iphone and restore from backup options. After the restore, I got everything except my apps and music back. Do I need to set the phone up as new again?

    Hi Vidbrent,
    If you are having issues updating or restoring your iPhone, you may find the following article helpful:
    Apple Support: If you can't update or restore your iOS device
    http://support.apple.com/kb/ht1808
    Regards,
    - Brenden

  • Time Machine Not Recognized After Clean Snow Leopard Install

    I've searched for this particular question.
    I was unhappy with Snow Leopard dragging. I wanted a clean install. I did not have the original snow leopard installation for my computer, so I got a different snow leopard DVD. This has apparently caused problems with time machine.
    The clean install in complete. I am now ready to migrate my Time Machine backup onto my iMac24". However, Time Machine is not recognized--at least not in the way I want.
    When I plug my time machine HD into the USB, snow leopard asks if I want to use this for future back-ups. I decline, because I specifically want to restore what has already been backed up. The HD is visible as an external device--and I can in fact see the raw data of my time machine backup stored in folders.
    However, when I enter migration assistant, time machine is invisible. On the page where I am expecting to select time machine, I instead get a perpetually spinning circle icon.
    I suspect time machine is "linked" to the prior snow leopard operating system, rather than to the computer ID. Obviously, this is a bit of a mistake on my part. However, I'm already into the breech and I've got no choice but to go forward.
    Please advise how to redirect my time machine to its new master (same computer, different snow leopard registration)?
    Thanks so very much.

    Retail disk? Yes, it was the snow leopard CD.
    I used a single license snow snow leopard CD install the first time around, when snow leopard was first released. At at that time I "upgraded" my system from leopard.
    This time, I used a different physical disk with snow leopard with a family license. This time I did a "clean" install in which I first erased my hard drive using disk utilities.
    There were no problems with the installation.
    As I say, my time machine hard drive is "recognized" by the computer as an external drive. It just is not recognized when I utilize the migration assistant. It is also "recognized" as a time machine, but only as a potential time machine for prospective use to update going forward, whereas I want it to open up as a time machine for my iMac that I just wiped clean yesterday.
    Thanks for your assistance.

  • Usually i back my IPhone with ICloud, after installing IOS 5 it asked me to restore from I Tunes what i have to do?

    usually i back my IPhone with ICloud, after installing IOS 5 it asked me to restore from ITunes what i have to do to restore all my contact, applications and others?

    If your iPhone does not search for a wi-fi connection before you are asked whether you want to set it up as new phone or restore a backup from iTunes, then I guess you have the same issue as highlighted in this thread:
    https://discussions.apple.com/message/19638850?ac_cid=tw123456#19638850
    iCloud back ups can only be accessed via wi-fi that's why you are not granted this option, I have the exact same issue.

  • My 3gs wont restore after ios 5 update. I have tried firmware restore and restore from backup, neither works. All I get is "iphone restore failed because backup session failed" Any ideas on how to make a successful restore with this ios 5 update?

    My 3gs wont restore after ios 5 update. I have tried firmware restore and restore from backup, neither works. All I get is "iphone restore failed because backup session failed" Any ideas on how to make a successful restore with this ios 5 update?

    I was having the same problem, I backed up my phone and then updated to iOS 5 and then it kept telling me it could not restore from my backup as it had failed.  After reading a bunch of forums and posts and trying everything, I did manage to get it to work.  I had tried the Time zone, creating a new computer user account, disabling anti-virus, etc.
    It took a combination of things, one of which was disabling the anti-virus completely and copying the contents of the backup folder to my desktop and then deleting everything in the backup folder.  Then I rebooted the PC, entirely disabled the anti-virus, copied the one backup I wanted to restore from the desktop to the backup folder and then trying to restore.  Low and behold the phone said restoring from backup and I am back in business, so when in doubt, trying combining some of the fixes together.

  • Can I do a clean install of Lion, onto my Mac Book Pro4,1, that is currently running 10.5.8? I have seen U-tube videos on how to do a clean install to Snow Leopard, and another from SL to Lion, but can zero out my HD, and do a clean install to Lion?

    Can I do a clean install of Lion, onto my Mac Book Pro4,1, that is currently running 10.5.8? I have seen U-tube videos on how to do a clean install to Snow Leopard, and another from SL to Lion, but can zero out my HD, and do a clean install to Lion?

    See this article.

  • HT201210 Synching iPhone after factory restore and restore from backup; synching appears stuck on Step 5 of 5, "waiting for items to copy."  That message displays for hours with no apparent progress.

    Synching iPhone after factory restore and restore from backup; synching appears stuck on Step 5 of 5, "waiting for items to copy."  That message displays for hours with no apparent progress.

    I never had this problem, but just noticed it happening.. Please note it's a BUG. I went out and bought a 128GB  iPhone just to hold all my songs. It wouldn't work. This never happened with the iPhone 3/3s/4/5/5s but started happening with the iPhone 6. After 40 hours of working through all possible solutions on the web and with Apple cares support (supposedly senior level) They finally suggested what the problem was. I had "Convert higher bit songs to 128  aac" Checked. This does not work One more thing when I unchecked that, the sync took like 3.5 hours instead of the 9-12 hours is usually took even on the smaller iphones. I have 98.7GB of music. Before I was just syncing a list of specific songs.
    The syncing seems to be random when it has the problem though.

  • Can I "roll back" entire computer using Time Machine?

    I have VMware installed on my computer. Went into Time Machine to replace the users/documents/virtual machine folder with an earlier file; for some reason, VMware didn't recognize the virtual machine file. I went ahead,and restored teh original vm file, and prog still didn't recognize it.
    I am used to using the "Goback" rollback program in windows, and thought a complete rollback would restore my original virtual machine file, but am not sure how to do this with Time Machine.
    Will Time Machine do rollbacks?
    Thanks.
    Marc

    to do a full system restore, boot from the install DVD, once past the language screen go to the Utilities menu, select "restore from Time machine" and follow the instructions.

  • Time Capsule as external hard-drive, as back-up drive with Time Machine

    Two questions today:
    I understand that I can use the Time Capsule as an external hard-drive while using it as my back-up location, using Time Machine. It has been suggested that to do this, it is best to partition the Time Capsule to prevent the TM program from confusing the files it manages, the data files from the backed-up files. (I hope I got that right.) I believe I read in this forum that one can partition the TC after the fact, and not destroy any data on it. Is this possible? A clerk at the Apple Store in San Francisco told me that I would want to partition, but that it would require that I erase the TC. Which to believe?
    Secondly, how does TM create the back-ups? I have used SuperDuper and appreciated the difference in how (and what) it backs up. My example: my first back-up involved having an 80gb external drive attached to my computer and TM backed up both my HD and the External Drive. I then turned off the TM. Today I turned it on and allowed it to back-up every hour as it is designed to do, but without the 80gb External drive attached. When I checked the newer back-ups, they all showed the original configuration of HD and 80gb external drive.
    So for it's incremental back-ups, does TM back up new files and updated files without deleting missing files? Is it an additive process? Or does it at some point delete missing files from it's most recent back-up? Or since it recognized that it was backing-up two different drives, it will always keep them separate, maintaining one (80gb External drive), even as it backs-up and changes the other (the HD)?
    O.K. a third request. Has anyone published a manual on TM and/or TC with this level of understanding so we can make the most of it's 1 TB storage capacity?
    Thanks in advance, LeRoy

    LeroyHoward wrote: So, does this mean that TM never deletes a file?
    It will when it starts to run out of space and it should likely be the oldest deleted files first.
    As I understand it, as long as I have a multi-linked file icon on the TM, I have the original data. And everytime the TM backs-up, it recreates every multi-linked file icon on the previous back-up. Right? So, if you delete a file by mistake, you can go back and find it. But I see a contradiction here. If you delete it on your desktop, shouldn't it be deleted from the back-up of that desktop? We expect it to be on earlier back-ups, but not the most recent one right? So, eventually as the TM fills up and begins deleting earlier back-ups, that data will be lost.
    The newest timeline will not point/display the deleted file(s), but it still exists on the backup until the backup drive fills up and needs to erase deleted data.
    I'm trying to understand this aspect of the TC and TM, because we want to use it as both an external HD and as one of our back-ups. Any light you can shed on this will be greatly appreciated.
    Thanks, LeRoy
    Read Glenn's response to dedicating TC to TM backup and the difficulty in partitioning the TC HDD.
    Glenn Carter wrote:
    However, this is not an option for Time Capsule users as there is not an easy way of partitioning the Time Capsules’ internal had disk without elaborate effort. In this case, use the Time Capsule hard disk solely for Time Machine backups. Then attach an additional hard disk to the Time Capsules USB port and store additional files there. This added disk will still be available to all Macs that can access the Time Capsule.
    This works to share the files on the USB HDD attached to TC, but if you want this drive backed up by TM (and this drive is formatted HFS+), then it needs to remain plugged into the Mac directly for TM to back it up.

  • Can I replace hard drive with Time Machine backup?

    I couldn't phrase this right to see if some already asked. I have MacBook with a 250gb HDD and I have a new 500gb HDD. I bought a USB Hard Drive enclosure and have been backing up with Time Machine. So my question is, can I take out my 250gb HDD and put in my Time Machine Backed Up 500gb, and boot up like normal? Or are there some steps I need to do?

    No, you cannot do what you've asked.
    What you can do is this.
    1) using your install DVDs or an install USB, install OSX on the external 500GB drive.   When setup assistant starts, point it to your 250GB drive so all your settings and files get migrated over.
    2) now you can swap drives and it should work.  Have your install USB handy incase something goes wrong.  Put the 250GB drive in your external enclosure so you can access it if needed for a reinstall.
    good luck

  • Back-up fcpx with time machine on external disk?

    Hey there,
    I just started with editing in FCPX on a Mac Book Pro, and I'm trying to make a back-up on an external hard disk with Time Machine and I work from my internal hard disk. So every time I'm done editing in FCPX I let Time Machine make a back-up on my external hard disk.
    So that seemed a good idea, but when I'm trying to open a project from my Time Machine-back-up, FCPX gives the error: 'The document “CurrentVersion.fcpproject” could not be opened."
    Is any one familiar with this problem? I just want to be sure that this way of backing-up my projects is doable. It would be a great help!
    Grtz,
    Chloe

    Opps! The program is Event Manager X. Sorry for the mistake. Google it to get to web site.
    When you use "Duplicate Project" from within FCP X it will create an exact copy of your project. Options are included for events used in the project. I select the option to also copy all events actually used in the project. You have to select the hard drive where you want the duplicates stored. I put the duplicate on my backup hard drive. Now I have both the original project and the duplicate project showing in the Project Library. I also have a new event showing in the Event Library called "Clips for .... Project".
    Now I want to "hide" my backup (duplicated) projects and events from FCP X so neither of us gets confused and inadvertently messes up the backup project. That's when I use Event Manager X. It will show you a list of all your projects and events on all your hard drives. You simply uncheck the project and events you want to hide. When FCP X opens back up those projects and events will not show up in your libraries.
    To restore a backup project you simply repeat the process except check the projects and events you want to return to active status.
    This, in my opinion, is a not only a good backup procedure, it's also an easy way to reduce clutter and mess in your workspace by "hiding" projects and events that you aren't using. There's also some evidence that having large numbers of projects and events showing in your library adversely affects FCP X performance.
    You can schedule Time Machine to backup at certain time intervals; however, I'm thinking that it's pretty much backing up stuff as you work, so you need to turn it off manually. Not sure about this. Anyone else know how Machine Works?
    Good luck,

  • Backing up iphoto with time machine

    So i was backing up all my photos using time machine to a LACIE external hard drive and under Time Machine Preferences i clicked back up and it seemed to revert back to an older backup in May 2010 losing all photos and changes from May - Oct 2010. Can anyone please help me retrieve my photos?

    This is a little more simple that all that.
    For iPhoto 09 (version 8.0.2) and later:
    If you want the other user to have the same access to the library as you: to be able to add, edit, organise, keyword etc.
    Quit iPhoto in both accounts. Move the Library to the Users / Shared Folder
    (You can also use an external HD set to ignore permissions, a Disk Image or even partition your Hard Disk.)
    In each account in turn: Double click on the Library to open it. (You may be asked to repair the Library Permissions.) From that point on, this will be the default library location. Both accounts will have full access to the library, in fact, both accounts will 'own' it.
    However, there is a catch with this system and it is a significant one. iPhoto is not a multi-user app., it does not have the code to negotiate two users simultaneously writing to the database, and trying will cause db corruption. So only one user at a time, and back up, back up back up.
    No need for dmgs at all. No need for Syncing software.
    Note: No Syncing software can run on an iPhoto Library. Period. There is none that can parse the Library database. Attempting to sync two Libraries will lead to damage to at least one of them.
    Regards
    TD

  • How to recover old Back ups made with time machine?

    After a recovery with time machine to a very early back up, it completly deleted my old back ups from my back up drive? I had almost everything there. how can i get it back? is there any way?

    Hi Patsmith7,
    i think I understand what you're asking. You'd like to move the current Time Machine backup to a new HD so that it will never be written over as you continue to use the current HD where the data resides. If that is correct, then just follow the below link which will show you a very simple way of accomplishing this.
    If you only want to move a specific date then you will have to follow the same instructions in the link but click on the drop down arrow on the current backup which will show you each instance (date) of the backups. Grab the date that you're interested in and complete the move as instructed in the link to the new HD.
    http://support.apple.com/kb/HT5096?viewlocale=en_US&locale=en_US
    Good Luck and let me know if you have any other questions.

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