Imac got hung up while restarting from yosemite upgrade

I mac got hung up during the restart after upgraded to Yosemite!

What do you mean with hung up?

Similar Messages

  • After restarting from Yosemite update my screen is black with sos beeps

    i completed the Yosemite update when it restarted the screen stayed black with 3fast 3slow 3fast beeps.
    ITs 2011 13inch macbook pro
    the computer fan kicks in then the beeps then shuts off I can here the little clicK then starts again and repeats even when it's closed unplugged does not matter
    i have tried all the command r and option suggestions with a previous posting about this
    any other suggestions
    tthanks

    Hi Sully99999,
    Thanks for contributing to the Apple Support Communities.
    You mentioned that your MacBook Pro is beeping in the pattern 3 fast, 3 slow, 3 fast; and will not start up.
    You can find an explanation of this beep pattern in the following support document:
    Mac computers: About startup tones - Apple Support
    3 long tones, 3 short tones, 3 long tones: Indicates EFI ROM corruption is detected and the computer is in EFI ROM recovery mode.
    If your Mac does not respond to troubleshooting, you may need to seek service, as mentioned here:
    If you hear beeps when your Mac starts up instead of the normal startup tone, your Mac may need to be serviced.
    From:
    OS X Mountain Lion: If you hear beeps when your computer starts up
    You can find more information about having your MacBok Pro serviced at this link:
    Apple - Support - Service Answer Center
    Sincerely,
    Jeremy

  • My iMac keeps getting stuck while restarting due to an OS update

    My OS is trying to update, but it won't complete and is stuck halfway through. The computer won't turn on because the update won't finish

    i have had this virus scanner for over a year now and it has just started to cause problems, also the scanner just found about 10 virus', they have now been deleted.
    Since you are running Mac OS X 10.8.2, any malware it found would have been Windows malware - probably attached to some junk e-mails - and totally non-threatening to your machine. If you're concerned about removing VirusBarrier, see my Mac Malware Guide.
    It certainly looks like VirusBarrier is causing the problem. However, you've got a LOT of third-party kernel extensions installed:
    com.intego.iokit.VirusBarrierX6Service          10.6.18
    org.virtualbox.kext.VBoxNetAdp          4.1.14
    org.virtualbox.kext.VBoxNetFlt          4.1.14
    org.virtualbox.kext.VBoxUSB          4.1.14
    org.virtualbox.kext.VBoxDrv          4.1.14
    com.intego.iokit.VBX6NKE          1
    com.intego.iokit.BehavioralKext          1
    com.intego.kext.VirusBarrier.AppBarrierKPI          10.6.18
    com.intego.kext.VirusBarrierKPI          10.6.18
    com.Cycling74.driver.Soundflower          1.5.2
    com.orderedbytes.driver.ControllerMateFamily          4.4.3
    com.orderedbytes.driver.CMUSBDevices          4.4.3
    com.Logitech.Control Center.HID Driver          3.6.0
    I've seen the Soundflower driver in a lot of kernel panic reports here... sometimes as the only third-party kernel extension in the log. I'm highly suspicious of that one if uninstalling VirusBarrier doesn't work. But any of those could be the problem, or it could even be a combination of a couple or more conflicting.

  • Grey screen on restart after Yosemite upgrade !

    Mack would not finish restart after update to Yosemite, stuck on grey screen!

    az1103
    Try powering down and rebooting but hold down SHIFT key to go into Safe Mode.
    Keep holding the SHIFT key.  It may take a while. Be patient, until the computer does its Venetian blinds thing and goes into Safe Mode
    Background: I had started an install last night about 10 hours ago on a MBP 17 mid 2010 with 8 GB.  Never took.
    Finally booted into Safe Mode.  Did Numbers, Keynote, Pages updates.
    Then kept my fingers crossed and rebooted.  It works fine. Note - I am liking Yosemite so far.

  • My new iMac hung up during Transferring from another Mac. How do I restart it?

    My new iMac with fusion drive hung up during transfer from another Mac.  How do I restart it?

    I'm afraid you'll have to power down both, then...
    For the 2 macs...
    If 10.7.0 or later...
    Bootup holding CMD+r, or the Option/alt key to boot from the Restore partition & use Disk Utility from there to Repair the Disk, then Repair Permissions.
    Try Disk Utility
    1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
    2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
    *Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
    3. Click the First Aid tab.
    4. Select your Mac OS X volume.
    5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
    http://docs.info.apple.com/article.html?artnum=106214
    Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
    (Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
    If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.

  • My mac hung up while installing an update. It took hours and still did not complete the update. I restarted my mac. Upon turning it back on, a wheel has been spinning on a grey screen. I tried to reinstall OS X from utilities, but encounter an error. Why?

    My mac hung up while installing an update. It took hours and still did not complete the update. I restarted my mac. Upon turning it back on, a wheel has been spinning on a grey screen. I tried to reinstall OS X from utilities, but encounter an error. What do I do?

    Hey Manaskala,
    First point of call on all grey screen issues is the following:
    http://support.apple.com/kb/TS2570
    Given this issue has appeared after a software update, I'd advise you do the following instead though:
    1. Get an external hard drive, with enough space to put the entire hard drive of your Mac onto. Make sure you've safely copied any data you have off of it, as the next step will erase it.
    2. In the recovery HD of your machine, use Disk Utility to format you EXTERNAL hard drive with the partition table as GUID, and the format as Mac OS Extended (Journaled).
    3. Get out of Disk Utility, and click Reinstall Mac OS X.
    4. When asked where, choose to install onto your external hard drive.
    5. When the download and installation is complete, your Mac will reboot into a clean fresh setup screen. Make your user account an administrator, and make up a name and password; I use 'Test' and 'test'.
    6. Your machine is now running from the external hard drive, not the internal hard drive, so don't be alarmed when you don't see your files.
    7. Open the finder, you should see 'Macintosh HD' in the sidebar. This is the internal hard drive of your computer.
    8. Open Macintosh HD, and copy out the following folders into a new folder on your desktop:
    -Users.
    -Applications.
    -Library. (This only needs to be done if you use 3rd party software that saves things in the /Library, do a quick google and see if it does e.g. Photoshop, Protools).
    9. When these have copied (it'll take quiet a while), you can now use Disk Utility to erase your hard drive. Don't erase Macintosh HD but the ENTIRE hard drive on the inside of your Mac, and as Thomas A Reed mentioned, there was likely an existing issue on your HDD so please go to Security Options and choose 'Zero Out' before clicking erase. This will rebuild the partition table which was a possible cause of the failed update.
    10. Reboot the machine holding 'Option', go to recovery HD.
    11. Choose 'Reinstall Mac OS X', this time onto your INTERNAL hard drive.
    12. When this is complete, make another admin user called test and password test, like you did last time.
    13. Run Software Update from the  menu of your Mac.
    14. In the Finder, you should see your external Hard Drive. open it up, inside that you should see your desktop etc, and on the desktop will be your folder containing Library, Applications and Users.
    15. Go to Finder up next to the  and choose File -> New Finder Window.
    16. In your second finder window, open up Macintosh HD (through the Go -> Computer menu), and go to your Users folder.
    17. Open the Users folder in your first finder window, and copy your user folder (has your name on it) into the second user folder (the one inside Macintosh HD).
    18. This might take a while.
    19. When complete, go to System Preferences -> Users and Groups and unlock the padlock.
    20. Click the '+' sign, and make a new administrator user.
    21. Now, the fun bit. Note the name of your user folder you copied, e.g. 'Nathan', containing all of your stuff. Note the difference between your user folder (has your name on it) and the Users folder (contains YOUR user folder, guest folder and shared folder).
    22. Make the ACCOUNT NAME of your new adminstrator user the EXACT name of your user folder (normally lower case and without spaces), this is case sensitive folks. Your full name can be whatever you want, usually your full name.
    23. Then click create. You should be informed that a home folder with that name in it already exists in the Users folder, would you like to make your new account from that folder? say YES!
    24. When this is complete, log out of the Test user, log into your new account we've just made, all your stuff should be there.
    25. ???????
    26. Profit.
    There's a few little bits that may need to be cleaned up afterwards, applications folder from your external hard drive should replace the applications folder on your internal hard drive, if the previously mentioned /Library folder contained important goodies then that should replace the /Library folder on your new Mac.
    Hopefully that will help you out, straight after that is done make sure your stuff is there, erase your external hard drive and turn on time machine!

  • After using "migration assistant" from my old iMac to my new iMac, some tools stick while using Photoshop CS 6 Extended. My current operation system is 10.10 Yosemite. I was wondering if UN installing then RE installing CS 6 might solve the problem. If th

    After using "migration assistant" from my old iMac to my new iMac, some tools stick while using Photoshop CS 6 Extended. My current operation system is 10.10 Yosemite. I was wondering if UN installing then RE installing CS 6 might solve the problem. If this is recommended, I would need complete instructions on doing this. I have there serial number for the product.

    using migration assistant is problematic.
    at this point yes, you should uninstall everything migrated, clean and then reinstall properly using the installation files.
    cleaner:  Use the CC Cleaner Tool to solve installation problems | CC, CS3-CS6
    installation files:
    Downloads available:
    Suites and Programs:  CC 2014 | CC | CS6 | CS5.5 | CS5 | CS4 | CS3
    Acrobat:  XI, X | 9,8 | 9 standard
    Premiere Elements:  13 |12 | 11, 10 | 9, 8, 7
    Photoshop Elements:  13 |12 | 11, 10 | 9,8,7
    Lightroom:  5.7| 5 | 4 | 3
    Captivate:  8 | 7 | 6 | 5
    Contribute:  CS5 | CS4, CS3
    Download and installation help for Adobe links
    Download and installation help for Prodesigntools links are listed on most linked pages.  They are critical; especially steps 1, 2 and 3.  If you click a link that does not have those steps listed, open a second window using the Lightroom 3 link to see those 'Important Instructions'.
    window using the Lightroom 3 link to see those 'Important Instructions'.

  • How can I rollback from Yosemite to Lion? I need to do this as I purchased a newer iMac and I have the old 17" iMac HD that I want to get the data migrated from. When I start the Migration Assistant it tells me that the OS X version is too old. Help!

    I have purchased a newer mid 2011 iMac for my wife to replace her dead 17"iMac from 2006. It was running Snow Leopard. The new iMac has Yosemite and when I go into Migration Assistant it tells me that the OS X is too old, implying that I cannot get the data from it. How can I migrate this data to the new iMac? I have the hard drive removed and in an external enclosure connected to the new iMac.
    Thanks,
    Bill Stratman

    Since any OS since Lion does not support Rosetta or PPC applications, you may want to check her apps for compatibility.
    Have you tried to follow all the instructions here:
    OS X Yosemite: Transfer your info from a computer or storage device
    Also, as a general note: when you got the 2011 iMac did it have the original OS installed as required by the SLA? The seller is to remove any OS version obtained at the app store since the license is not transferable - did he do that? If not, as the OS download is tied to the Apple ID used to obtain it, you will not be able to update apps or reinstall the OS, so may I suggest you do this step now before you start porting over all the files. Use Internet Recovery: Hold Command + Option + R while restarting/rebooting until you see a spinning globe and a progress bar. After 2 - 10 minutes, you'll be connected to Apple's servers and see a Utilities window. Go to Disk Utility and choose erase your drive; once finished, go back to the window and choose to reinstall OS X. This should install a fresh original OS version which you can then update and tie to your wife's Apple ID.

  • My ipod touch got stolen and when i got it back it said connect to itunes how do i get my apps and information on it back while restarting it through itunes?

    my ipod touch got stolen and when i got it back it said ipod disabled connect to iTunes how do i get my information from notes, contacts, etc. and apps on it back while restarting it through iTunes?

    Connect the iOS device to your computer and restore via iTunes. Place the iOS device in Recovery Mode if necessary to allow the restore.
    If recovery mode does not work try DFU mode.
    How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
    For how to restore:
    iTunes: Restoring iOS software
    To restore from backup see the following. This will get the iPod like it was when the backup was made. This is you only possible way of getting your information back since when the iPod is in recovery mode (the screen show conect to iTunes) the iPod is already erased.
    iOS: How to back up
    If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
    You can redownload iTunes purchases by:
    Downloading past purchases from the App Store, iBookstore, and iTunes Store

  • How do I get photos from the iPhoto import folder to the iPhoto library?  It uploaded, but hung while deleting from my camera, so no imported photos are in the iPhoto library.

    How do I get photos from the iPhoto import folder to the iPhoto library?  It uploaded, but hung while deleting from my camera, so no imported photos are in the iPhoto library.  I watched it upload about 400 photos, one by one.  They're somewhere, but they don't appear in the iPhoto library. As iPhoto was deleting them from my camera, it got hung up, then a message came "you should eject before disconnecting a device."  I hadn't touched the camera.  The message came by itself.  I couldn't get iPhoto to respond, so I disconnected the camera and did a Force Quit.  Opening it back up, the pictures were gone.  Can somebody help me? 

    What version of iPhoto are you running?  Assuming it's iPhoto 9 or later Apply the two fixes below in order as needed:
    Fix #1
    1 - launch iPhoto with the Command+Option keys held down and rebuild the library.
    2 - run Option #4 to rebuild the database.
    Fix #2
    Using iPhoto Library Manager  to Rebuild Your iPhoto Library
    1 - download iPhoto Library Manager and launch.
    2 - click on the Add Library button and select the library you want to add in the selection window..
    3 - Now that the library is listed in the left hand pane of iPLM, click on your library and go to the Library ➙ Rebuild Library menu option.
    4 - In the next  window name the new library and select the location you want it to be placed.
    5 - Click on the Create button.
    Note: This creates a new library based on the LIbraryData.xml file in the library and will recover Events, Albums, keywords, titles and comments but not books, calendars or slideshows. The original library will be left untouched for further attempts at fixing the problem or in case the rebuilt library is not satisfactory.
    OT

  • I think my iMac got virus on my iMac through opening an email from Facebook on Safari, anyone knows how to do a complete erase and clean up of the iMac?

    I think my iMac got virus on my iMac through opening an email from Facebook on Safari, anyone knows how to do a completely erase and clean up of the iMac?

    Things You Can Do To Resolve Slow Downs
    If your computer seems to be running slower here are some things you can do:
    Start with a visit to: OS X Maintenance - MacAttorney.
    Boot into Safe Mode then repair your hard drive and permissions:
    Repair the Hard Drive and Permissions Pre-Lion
    Boot from your OS X 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. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    Repair the Hard Drive - Lion
    Boot from your Lion Recovery HD. When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
    Boot to the Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Restart your computer normally and see if this has helped any. Next do some maintenance:
    Suggestions for OS X Maintenance
    For situations Disk Utility cannot handle the best third-party utility is Disk Warrior;  DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
    OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep.  Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger.  These utilities have limited or no functionality with Snow Leopard or Lion and should not be installed.
    OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive. As for virus protection there are few if any such animals affecting OS X. You can protect the computer easily using the freeware Open Source virus protection software ClamXAV. Personally I would avoid most commercial anti-virus software because of their potential for causing problems. For more about malware see Macintosh Virus Guide.
    I would also recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc.
    For emergency repairs install the freeware utility Applejack.  If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line.  Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. There is no confirmation that this version also works with Lion.
    When you install any new system software or updates be sure to repair the hard drive and permissions beforehand.
    Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
      1. Carbon Copy Cloner
      2. Data Backup
      3. Deja Vu
      4. SuperDuper!
      5. SyncTwoFolders
      6. Synk Pro
      7. Synk Standard
      8. Tri-Backup
    Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
    Additional suggestions will be found in Mac maintenance Quick Assist.
    Referenced software can be found at CNet Downloads or MacUpdate.
    Additional Hints
    Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
    Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
    Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
    Check for applications that may be hogging the CPU:
    Open Activity Monitor in the Utilities folder.  Select All Processes from the Processes dropdown menu.  Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.
    Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file.

  • I got this error while my mac was backing up to time machine: he backup disk image "/Volumes/Data/Sanjeev's iMac.sparsebundle" could not be created (error (null)). Please could someone help

    I got this error while my mac was backing up to time machine: he backup disk image “/Volumes/Data/Sanjeev’s iMac.sparsebundle” could not be created (error (null)). Please could someone help

    Has the backup been working ok??
    If that is the case simply reboot the TC.. or if that fails, reboot the whole network, restarting in correct order..
    modem.. wait 2min
    TC.. wait 2min

  • Installed latest iOS on my iPad mini, it got stuck while restarting after update. It is still in that stage even after 7 hours.

    installed latest iOS on my iPad mini, it got stuck while restarting after update. It is still in that stage even after 7 hours.

    Placing your device into recovery (DFU-Device Firmware Upgrade) mode:
    Follow these steps to place your iOS device into recovery mode. If your iOS device is already in recovery mode, you can proceed immediately to step 6.
       1. Disconnect the USB cable from the iPhone, iPad, or iPod touch, but leave the
           other end of the cable connected to your computer's USB port.
       2. Turn off the device: Press and hold the Sleep/Wake button for a few seconds
           until the red slider appears, then slide the slider. Wait for the device to turn off.
                  * If you cannot turn off the device using the slider, press and hold the
                    Sleep/Wake and Home buttons at the same time. When the device turns off,
                    release the Sleep/Wake and Home buttons.
      3. While pressing and holding the Home button, reconnect the USB cable to the
           device. The device should turn on. Note: If you see the battery charge warning,
           let the device charge for at least ten minutes to ensure that the battery has some
           charge, and then start with step 2 again.
      4. Continue holding the Home button until you see the "Connect to iTunes" screen.
           When this screen appears you can release the Home button:
      5. If necessary, open iTunes. You should see the following "recovery mode" alert:
      6. Use iTunes to restore the device.
    If you don't see the "Connect to iTunes" screen, try these steps again. If you see the "Connect to iTunes" screen but the device does not appear in iTunes, see this article and its related links.
    Note: When using recovery mode, you can only restore the device. All user content on the device will be erased, but if you had previously synced with iTunes on this computer, you can restore from a previous backup. See this article for more information.

  • I made a bootable disc on an external hard drive, with Yosemite on it.  I am running Snow Leopard on my iMac.  How can I open the Yosemite disc from the desktop on my iMac?  Does the external hard drive need to be connected to my iMac by firewire to

    I made a bootable disc on an external hard drive, with Yosemite on it.  I am running Snow Leopard on my iMac.  How can I open the Yosemite disc from the desktop on my iMac?  Does the external hard drive need to be connected to my iMac by firewire to do that?

    kahjot wrote:
    Snow Leopard's Startup Disk pref can’t see Yosemite volumes. So the only way to switch from Snow Leopard to Yosemite is to do what Niel mentioned. Doesn't matter whether it's connected by USB or Firewire, although performance via FW would be faster.
    Are you saying that Yos/10.10, as a volume located in a mounted external drive won't appear as an option in Snow Leopard's Startup Disc, in Sys Prefs? I've never heard this one before. AFAIK any mounted volume, regardless of OS, should appear there. I would think that, if it appears in the Boot Picker/Startup Manager it would also appear and could be booted to from Snow's Startup Disk. I can't test this myself, since I don't have Yos. Is what you are saying documented somewhere?

  • How do I upgrade safari on my imac 12.1 A while ago I got a message about the free upgrade but it was confusing

    I have  an imac OSX 10.6.8    How do I upgrade the safari that came with my mac?  Several websites say the browser is out of date.

    By upgrading OS X:
    Upgrading to Yosemite
    You can upgrade to Yosemite from Lion or directly from Snow Leopard. Yosemite can be downloaded from the Mac App Store for FREE.
    Upgrading to Yosemite
    To upgrade to Yosemite you must have Snow Leopard 10.6.8 or Lion installed. Download Yosemite from the App Store. Sign in using your Apple ID. Yosemite is free. The file is quite large, over 5 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
        OS X Mavericks- System Requirements
          Macs that can be upgraded to OS X Yosemite
             1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later
             2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
             3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
             4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
             5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
             6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
             7. Xserve (Early 2009) - Model Identifier 3,1 or later
    To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
         Are my applications compatible?
             See App Compatibility Table - RoaringApps.
    Upgrading to Lion
    If your computer does not meet the requirements to install Mavericks, it may still meet the requirements to install Lion.
    You can purchase Lion at the Online Apple Store. The cost is $19.99 (as it was before) plus tax.  It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
         Lion System Requirements
           1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
               or Xeon processor
           2. 2GB of memory
           3. OS X v10.6.6 or later (v10.6.8 recommended)
           4. 7GB of available space
           5. Some features require an Apple ID; terms apply.
    Upgrading to Mountain Lion
    To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase a redemption code at the Online Apple Store: OS X Mountain Lion. Mountain Lion is $19.99 plus tax. Use the code to redeem a download of Mountain Lion from the App Store. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
         OS X Mountain Lion - System Requirements
           Macs that can be upgraded to OS X Mountain Lion
             1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later.
             2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model
                 Identifier 5,1 or later.
             3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later.
             4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later.
             5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later.
             6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later.
             7. Xserve (Early 2009) - Model Identifier 3,1 or later.
    To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
         Are my applications compatible?
             See App Compatibility Table - RoaringApps.

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