How can I recovery my mac OS.

It has crashed because I partition disk in the windows.And now it doesn't have any OS in it.

unless you have a bootable copy of Lion on a usb drive or dvd, you have no choice but to use internet recovery.

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  • I install windows 8 via boot camp but its corrept so i recover this by the bootable usb which is helping me to install windows 8 but in recovery my osx is formatted automaticly now its become a pc how can i install my mac osx again?

    i install windows 8 via boot camp but its corrupt so i recover this by the windows 8 by the help bootable usb which is helping me to install windows 8 but in recovery my osx is formatted automatically now its become a pc how can i install my mac osx again in my mac mini? please help me

    If you have a Mid 2010 model: Computers that can be upgraded to use OS X Internet Recovery. If later then see below:
    Install Mavericks, Lion/Mountain Lion Using Internet Recovery
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Internet Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
    Partition and Format the hard drive:
    Select Disk Utility from the main menu and click on the Continue button.
    After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
    Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
    Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
    If you have an earlier model:
    Clean Install of Snow Leopard
         1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
             with your computer.  Insert the disc into the optical drive and restart the computer.
             After the chime press and hold down the  "C" key.  Release the key when you see
             a small spinning gear appear below the dark gray Apple logo.
         2. 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 the hard drive entry from the left side list (mfgr.'s ID and drive
             size.)  Click on the Partition tab in the DU main window.  Set the number of
             partitions to one (1) from the Partitions drop down menu, click on Options button
             and select GUID, click on OK, then set the format type to MacOS Extended
             (Journaled, if supported), then click on the Apply button.
         3. When the formatting has completed quit DU and return to the installer.  Proceed
             with the OS X installation and follow the directions included with the installer.
         4. When the installation has completed your computer will Restart into the Setup
             Assistant. Be sure you configure your initial admin account with the exact same
             username and password that you used on your old drive. After you finish Setup
             Assistant will complete the installation after which you will be running a fresh
             install of OS X.  You can now begin the update process by opening Software
             Update and installing all recommended updates to bring your installation current.
    Download and install Mac OS X 10.6.8 Update Combo v1.1.

  • My MacBook Air lost mac os x. So I would like to reinstall mac os. But I can't select the disk to install mac os x. Only Recovery HD is shown and I can't select it. How can I reinstall my Mac os x.

    My MacBook Air lost mac os x. So I would like to reinstall mac os. But I can't select the disk to install mac os x. Only Recovery HD is shown and I can't select it. How can I reinstall my Mac os x? Thank you!

    you can download the mac os x recovery hd and run the setup to a flash drive using another mac computer running os x 10.7,(so that while installation the os x setup can varify your computer's serial no. and provide you the installation setup through internet)
    or the time machine backup(if you have)
    Now boot through the flash drive and follow the steps to install mac os x
    here is the link to download the recovery hd for flash drive
    http://support.apple.com/kb/DL1433
    see this before you download
    http://www.apple.com/macosx/recovery/

  • HT1544 how can I reinstall the Mac OS X from scratch?

    I have an early 2008 iMac that came with Mac OS X 10.5 leopard. I have bought all os's since then, and Today I am using the most recent one, mountain lion. My question is, how can I reinstall the Mac OS X from scratch? Is there a quick way ? Or do I have to:
    Find the leopard CDs that came with the iMac
    And go through the cd installation.
    Then, can I jump from leopard to mountain lion?

    If your goal is to just reinstall Mountain Lion, you can restart the computer holding the Command and R keys, then choose the reinstall OS X option from the utilities choices presented to you.
    That restarts the computer using the recovery hard drive that was created when you installed Mountain Lion...but note you must have an internet connection when you do this reinstall.

  • How can a reset my mac to factory settings.

    How can a reset my mac to factory settings.  I have done something wrong and I think at this point it would be better to start form scratch

    Restart holding both the Command and R keys.  That will boot the machine to the recovery hard drive, a hidden partition that starts cleanly to the Mac OS X.  You can then choose from the Utiltities drop down, Disk Utility.  From that you can format the hard drive...you will then have to choose to Reinstall Mac OS X...doing this erases the hard drive and you lose all content.  Make a backup on an external hard drive first so you can restore your applications and so you don't lose your data.

  • How can i reboot my mac without lion cd previous owner installed it thru itunes?

    how can i reboot my mac without lion cd previous owner installed it thru itunes?

    Lion is usually installed through the App Store not through iTunes. There is no Lion CD. If you need to perform activities normally requiring an installer DVD, then you do it as follows:
    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.
    This will boot the Recovery HD and present a main menu of options such as Reinstall Lion, Restore a Time Machine backup, and run Disk Utility to repair the hard drive. There are additional options in the Utilities menubar item.

  • TS2530 When I put a burned cd from one Mac into another Mac, song titles do not show up! I have to enter them manually! My CD player reads the titles that i on the cd; how can I get my Mac to do so?

    When I put a burned cd from one Mac into another Mac, song titles do not show up! I have to enter them manually! My CD player reads the titles that i on the cd; how can I get my Mac to do so?

    The problem is that I burned these CD's myself from music that I added from my personal collection to iTunes. The INFO is ON the CD's (it appears perfectly when I put the CD in my Numark mixer...so I know the info is on the CD), but for some reason, my MAC PRO will NOT read the info on the burned CD when I place the CD into the MAC PRO. The CD was burned on a MAC that I no longer own. But there HAS to be a way to transfer songs from a burned CD with the INFO that is on the CD burned with iTunes.
    PLEASE HELP!
    -Old Appel

  • How can I connect my Mac Book Pro (year 2008) to the TV set through  HDMI? I've seen a DVI to HDMI iwire but I'm no sure that it is correct. Could anyone help me? Thank you very much.

    How can I connect my Mac Book Pro (year 2008) to the TV set through  HDMI? I've seen a DVI to HDMI iwire but I'm no sure that it is correct. Could anyone help me? Thank you very much.

    I do not know the iWire adapter, but I use an inexpensive ($3) DVI to HDMI adapter from Monoprice, along with a regular HDMI cable:
    http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10419&cs_id=1041902 &p_id=2029&seq=1&format=2
    Be aware that this will only transfer video. You Macbook Pro cannot combine audio through DVI to HDMI. You will need to listen to the audio through the Mac speakers, or attach speakers or a sound system to the Mac earphone jack, or determine if your TV has the ability to accept external sound from the Mac while showing video through HDMI (few can).

  • How can I see one mac from another mac?

    I have two macs, an imac at home and a MBPro.
    If I have them both at home, how can I see one Mac´s hard drive from another?
    Is this possible? with back to my mac??
    thanks
    J

    Do you have a home network?
    Personal File Sharing: You can connect Macs on a local network with Tiger’s Personal File Sharing, which allows you to mount folders from the sharing Mac on the master Mac—note that the slave Macs do the sharing; the master Mac doesn’t have to. To turn on Personal File Sharing on the slave Mac, do this:
    Open System Preferences.
    In the System Preferences window, click Sharing.
    In the Sharing pane, click Services.
    In the Select a Service to Change Its Settings list, select the Personal File Sharing checkbox.
    Now that the slave Mac has sharing turned on, you can mount it on the master Mac’s Desktop:
    In the Finder, choose Go -> Network.
    In the Network window, select the sharing Mac.
    Click Connect.
    In the Connect to Server window, click Registered User, enter the user account name and password for the sharing Mac, and then click Connect.
    In the window that appears, select the volume that contains the folder you want to sync with, and then click OK.
    LN

  • How can I share my mac book pro with my mac pro.

    Hi,
    Anyone know how can I share my mac book pro with my mac pro. At the moment I am in NewZealand and my Mac Pro is in UK. I used to share my both computer in UK in same network but I don't know how can I share with different network. Please help me.

    You can't, currently only the iPhone has the personal hotspot function, it hasn't been enabled on the iPad - whether it will be possible in the future I don't know

  • How can i get my mac book pro to recognize a JVC camcorder?

    How can I get my mac book pro to recognize a JVC camcorder using a Sony CAMERA USB cord??

    Gotta say thank you — again.  Sorry the posts were spread out over more than one location.    I'll check and see if Third Party Software is considered a "peripheral", maybe that would have been a better single thread choice?
    Definitely news we can use and the reference link is appreciated.
    OT ~ We keep becoming more and more aware of how easy it is to lose one's bearings when it comes to keeping up with info tech.  My husband and I are both official members of the geezer set and have been out of the work force for some years.  You really do pick up so much just by being in the environment where people are using things to get work done.  A couple of old MP3 players, PPC G5, and a vintage Inspiron 3800 that someone didn't want any more is about it.  No cell phone, no iPod, no iPad, no home wireless network, no streaming media.  Fixed income.  So we do with what we can as long as we can.  If we could get by without that Intel processor, we'd probably make do with what we've got.  On the other hand, we've really wanted a notebook for a very long time and have to admit that needing to upgrade to accomodate my husband's project is pretty much just the "reason" we need.  I really mean it when I say that we are beyond appreciative that users take the time to share info and patiently educate those of us who fall into the "slow tech" category. 

  • How can I clean my Mac Book Pro completely to hand it over to an other user ?

    How can I clean my Mac Book Pro completely to hand it over to an other user ?

    Follow these directions:
    http://www.thesafemac.com/how-to-prepare-your-mac-for-sale/
    Ciao,

  • How can I find my Mac book pro it got stolen

    How can I track my Mac book pro

    Look for it.
    Change your iTunes (Apple ID) password along with any other password that was stored in the iPod.  If any passwords are associated with credit cards, contact the CC company and get your card replaced (with a new number).  If any passwords are associated with a bank or any other savings institution, contact them also and discuss approprate action with them.
    The "Find my..." function is pretty much useless if the device is in the hands of a thief.  All that is necessary is for the thief to connect to any computer with iTunes and "Restore as new."
    The only real protection you have is with the personal information on the device rather than the physical device itself.  This requires action before the device is lost/stolen.  If the device has significant personal information, it should have a strong 8-digit (or longer) password AND be configured for automatic wipe in the event of ten consecutive incorrect password entries.

  • How can i force my mac book pro to use an external display

    how can i force my mac book pro to use an external display
    my screen is black

    What sort of adapter are you using?
    Clinton

  • How can i restore my mac book pro computer

    how can i restore my mac book pro computer??an what am i doing b4 restore my computer??
    please remind me all the think i need to do,an i dont want to miss.
    thxxxx

    Welcome to the Apple Support Communities
    If you want to erase the disk, reinstall Mac OS X and your Mac didn't come with DVDs or you have OS X Mountain Lion or Lion:
    1. Press Command and R keys while your Mac is starting.
    2. Open Disk Utility, choose Macintosh HD in the sidebar and erase the drive.
    3. Install Mac OS X.
    If your Mac came with DVDs:
    1. Insert the OS X DVD that came with the Mac and press C key while your Mac is starting.
    2. Go to Utilities > Disk Utility, choose Macintosh HD in the sidebar and erase the drive.
    3. Install Mac OS X

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