Choice boot disk, choice boot disk

How to choice the disk boot ?

Préférences Système -> Sécurité -> Général -> cliquez "Mot de passe requis pour déverrouiller chaque sous-fenêtre des Préférences Système".

Similar Messages

  • Boot-up Disk Choice in in Yosemite Style (black background) instead of white

    I have a MacBook Pro Retina 15" Late 2013 currently running OS X Mavericks.
    Yesterday I installed OS X Yosemite on a partition of my external HDD to try it out, and everything went smoothly.
    After a while I rebooted Mavericks and deleted the partition containing Yosemite.
    The problem now is that when I boot pressing the "option" key I still get the Yosemite style window with the bootable disks on a black background instead of the usual white of Mavericks.
    I don't know what this means and how in can be possible, since I deleted the whole partition that was on an external HDD.
    Thanks for the help

    HI,
    There are no known Mac viruses.
    Try booting from your install disk and run Disk Utility.
    Insert Installer disk and Restart, holding down the "C" key until grey Apple appears.
    Go to Installer menu (Panther and earlier) or Utilities menu (Tiger and later) and launch Disk Utility.
    Select your HDD (manufacturer ID) in the left panel.
    Select First Aid in the Main panel.
    (Check S.M.A.R.T Status of HDD at the bottom of right panel. It should say: Verified)
    Click Repair Disk on the bottom right.
    If DU reports disk does not need repairs quit DU and restart.
    If DU reports errors Repair again and again until DU reports disk is repaired.
    When you are finished with DU, from the Menu Bar, select Utilities/Startup Manager.
    Select your start up disk and click Restart
    If you can't boot from your install disk, try booting in Safe Mode
    Carolyn

  • Imac not booting, Able to get to disk ulility with snow leopard disk.  Tap on had disk, not given choice to do anything.  Information list that smart is certified and partition map is us formatted.  How do I get mac to start up again?

    Imac not starting up, keep getting white screen.  Using snow leopard.  Able to get to disk utilities with snow leopard installation disk.  Tap on had disk, not given choice to certified disk or anything else.  Information on disk states that smart status is certified.  Partition map I formatted.  Also tried to restore from back up, but get error:  not enough disk space.  Tried to erase disk, but unable.  What do I do next to get mac to start up?

    Thank you. That's what I thought will need to happen.
    One more question. I tried using the Apple install disk that came with the computer. It's an OS 10.5.6 disk. It does not see my 10.6.8 system internal hard drive to repair. All it see's is itself 10.5.6 disk. Do you think I can use a 10.8+ disk utillity since that is a higher system it will see the 10.6.8. Where the 10.5.6 does not?
    I don't want to turn the computer off for fear I'll get the question mark again. P-Ram got me going last time but for how long I don't know?  It would be nice to be able to turn the computer off for the night and startup as usual to give it a rest and try to reset itself.
    Thanks for your help, I know I will eventually need to re-install. But I am in the middle of a project with tight deadlines and all I can do right now is back-up. Trying to migrate to another computer temporarily to finish the job. That's a lot of extra work in the short time also.
    Just trying to put a band-aid on it for another couple weeks.

  • Lock of choice boot disk is not persistent

    Good evening,
    I want to lock the system preferences start to ensure that the iMac does not seek a boot disk on USB devices.
    So I select the internal disk OS X and locks the settings by clicking on the padlock.
    While I don't shutdown the iMac, the lock remains closed.
    But each time I restart the iMac, I noticed that the lock is open again for the preference of the startup disk.
    Is this normal?
    Why this configuration is not persistent between restarts?
    (Contrary to other locks them securely locked remaining)
    I forgot something?
    Thank you for your help.
    ps: I also did a PRAM reset, without success.

    Préférences Système -> Sécurité -> Général -> cliquez "Mot de passe requis pour déverrouiller chaque sous-fenêtre des Préférences Système".

  • Want to boot XP from an external disk? Here's how:

    Has to be a USB 2.0 drive:
    http://forum.onmac.net/showthread.php?t=1015
    By: gradenko
    Source: www.onmac.net
    [edit: you have to keep the 5GB NTFS parition on your internal drive for this to work]
    Hello, I cannot find a working solution for this posted so I'll post the solution I came up with (well, cobbled together from other people's hard work). I am using a MacBook Pro and an external G-Tech Q drive that supports USB 2.0. While XP does not officially support booting from a USB drive there is a way around it.
    This solution requires access to a PC and is a bit time-consuming.
    1. Use BootCamp to create a 5GB XP partition.
    2. Using a PC and your Windows XP SP2 CD, go through the following process to create a USB enabled XP SP2 installation CD: http://www.ngine.de/index.jsp?pageid=4176
    3. Plug your USB 2.0 external drive into your mac.
    4. Put your new XP SP2 CD into your MAC and boot holding down the "C" key.
    5. XP installation should begin, when you get to the drive choice, be sure to choose your USB drive. You may have to pre-format this drive to NTFS, mine was already formatted.
    6. You will get a screen warning you that drive C needs to be formatted. This is OK because XP needs to write some temporary data to the startup (internal) disk. It will format the 5GB XP partition you created in step 1.
    7. Follow the installation prompts and when your Mac reboots be sure to hold down the Option key. You will get a choice to boot to either your OSX installation, XP or the XP CD. Choose the XP hard drive.
    8. The normal XP installation will continue. You will get some warnings about unsigned divers. This is fine and is occurring because you tampered with the XP installation files in step 2. NOTE: My installation hung once here. I just reboot and tried from step 7 again and it worked fine.
    9. Once XP comes up install your BootCamp device drivers.
    Good luck! I just now finished this so I have some testing to do. A very big thank you to emmanual from ngine.

    Hi,
    without the preperations to be made, that are outlined in the link I gave, Windows always tries to read and write certain files during bootup, which it can't find when you 'only' have a Windows on an external HD.
    I only know of these instructions to get Windows on external HDs to work.
    If it weren't for games you like to play, I would suggest to have a look at the 'Virtualization' apps like Parallels or VMWare Fusion.
    But these aren't good for playing games.
    Sorry
    Stefan

  • 1) How to Boot from SAN for T4-1 Server with Solaris 11.1 OS on the disk? 2) How to SMI Label/Format a disk while OS Installation in Solaris 11.1?

    FYI....boot from SAN is required for physical server (T4-1) (not OVM).
    1) How to Boot from SAN for T4-1 Server with Solaris 11.1 OS on the disk?
    The SAN disks allocated are visible in ok prompt. below is the output.
    (0) ok show—disks
    a) /pci@400/pci@2/pci@0/pci@f/pci@0/usb@0, 2/hub@2/hub@3/storage@2/disk
    b) /pci@400/pci@2/pci@0/pci€a/SUNW, ezalxs@0, l/fp@0, 0/disk
    e) /pci@400/pci@2/pci@0/pci@a/SUNW, ealxs@0/fp@0, 0/disk
    d) /pci@400/pci@2/pci@0/pci@8/SUNW, emlxs@0, l/fp@0, 0/disk
    e) /pci@400/pci@2/pci@0/pci@8/SUNW,enlxs@0/fp@0,0/disk
    f) /pci@400/pci@2/pci@0/pci@4/scsi@0/disk
    g) /pci@400/pci@1/pci@0/pci@4/scsi@0/disk
    h) /iscsi—hba/disk
    q) NO SELECTION
    valid choice: a. . .h, q to quit c
    /pci@400/pci@2/pci@0/pci@a/SUNW, ealxs@0/fp@0, 0/disk has been selected.
    Type “Y ( Control—Y ) to insert it in the command line.
    e.g. ok nvalias mydev “Y
    for creating devalias mydev for /pci@400/pci@2/pci@0/pci@a/SUNW,emlxs@0/fp@0,0/disk
    (0) ok set—sfs—boot
    set—sfs—boot ?
    We tried selecting a disk and applying sfs-boot at ok prompt.
    Can you please help me providing detailed pre-requesites/steps/procedure to implement this and to start boot from SAN.
    2) How to SMI Label/Format a disk while OS Installation in Solaris 11.1?
    As we know that ZFS is the default filesystem in Solaris 11.
    We have seen in the Oracle documentation that for rpool below are recommended:
    - A disk that is intended for a ZFS root pool must be created with an SMI label, not an EFI label.
    - Create root pools with slices by using the s* identifier.
    - ZFS applies an EFI label when you create a storage pool with whole disks.
    - In general, you should create a disk slice with the bulk of disk space in slice 0.
    I have seen the solution that using format -e, we change the labelling but all the data will be lost, whats the way to apply a SMI Label/Format on a rpool disks while OS Installation itself.
    Please provide me the steps to SMI Label a disk while installaing Solaris 11.1 OS.

    Oracle recommends below things on rpool: (thats reason wanted to apply SMI Label)
    I have seen in the Oracle documentation that for rpool below are recommended:
    - A disk that is intended for a ZFS root pool must be created with an SMI label, not an EFI label.
    - Create root pools with slices by using the s* identifier.
    - ZFS applies an EFI label when you create a storage pool with whole disks.
    - In general, you should create a disk slice with the bulk of disk space in slice 0.

  • Problem booting Lion after restoring disk from Time Machine

    I have a late 2009 iMac which I have upgraded to Lion, having created a bootcamp partition with Windows Server 2008 before upgrading.
    This has been working absolutely fine for a few months but then there appeared to be some kind of hard disk problem and booting would only go as far as a gray screen with apple logo and a progress bar, then shut itself down. I started into the recovery partition by holding down the Alt key and from there (after reading around the internet a bit) was able to reformat the OS X partition and restore it from my Time Machine backup (wireless to Time Capsule).
    However it now won't boot, initial grey screen with Apple logo and spinning progress meter then restarts into Recovery HD. In Recovery mode Disk Utility reports all appears to be OK with the disk - there were some errors before I restored from Time Machine, but Disk Utility was able to repair them.
    If I hold down Alt on booting I get the 'choice of boot disks' screen with EFi boot, Windows and Recovery HD. If I choose EFi boot I get the Apple symbol alternating with a circle with diagonal line (prohibitory?) a couple of times, then it boots into Recovery. If I boot the computer with the Shift key it successfully boots into Windows, but won't boot into Windows from the 'choice of boot disks' screen.
    Is my problem that I need to somehow 'make' the restored partition bootable and if so how, or is there a more fundamental problem here, either with my hard disk or (gulp) with my Time Machine backup?
    Any ideas much appreciated, thanks
    -Chris

    Can't see SMART status anywhere in Disk Utility, shouldn't it just be visible at the bottom of the window when I click on the disk? Verify disk returns OK. I do have the correct format option.
    I am now trying Tony T1's suggestion of trying again, but this time on Erase... I have chosen the Security Option that writes 0's over the whole partition to see if it throws up any signs of failure.
    Thanks for your suggestions.

  • How to undo boot camp, wont boot from install disk in dvd drive

    A few months ago I went through trying out boot camp and parallels. Now, I think something is messed up. I dont need either right now, so I just want to wipe out the whole system, repartition the drive, and restore to a blank new install of os x 10.5 leopard.
    But when I put in the install disk, it wont boot up off it.
    I tried holding down the c key while powering it up, and it just cycles through: hearing the drive whirl, a bling sound, and then repeating it again while the screen is blank. Finally, I held down the click button on the touch pad so it would eject the install disk.
    Maybe this will help someone recognize part of the problem. Ever since messing around with boot camp and parallels, my machine wont "reboot". To reboot it, I tell it to reboot, then it hangs on the star like screen, then I have to hold the power button down, then if I do nothing, it tries to boot, but ends up in a dos looking screen saying no bootable device. So when I power it back up, I hold down the alt key, and then I have one choice: the hard drive. I pick that and it boots up ok.
    So... I thought, well, maybe the boot camp is still messed up; maybe I should undo boot camp. When I start the boot camp assistant, there is only a "partition" and "back" button; nothing to "restore" the hard drive to just one partition.
    What can I do? I want to wipe the drive and install a fresh install from my install disk.

    Forgot to specify:
    Im using an older Unibody Macbook (back when they were not all macbook pro's) 2008ish with Snow leopard 1.6.8
    The thread you linked me to, Eric, shows the guy 'Niganit' with the eXACT SAME PROBLEM as me! He seems to have found out the problem but I dont see his resolve.
    I just dont have the option to install windows 7 in any other form that a cd
    a picture;

  • Can I boot up a Tiger Disk IMage HDD using my Macbook Pro (with Leopard)

    Before my Ibook G4 crashed (tiger 10.4) I made a disk image using super duper. I purchased a Macbook Pro (leopard) and when I tried booting the disk Image I had made using superduper on a smart disk firewire drive, it would not recognize it.
    I held the option key when booting but only the Mac drive on the Macbook pro showed up. Is that a bug/flaw with leopard that you can't even boot an external HD disk image made using Tiger?
    I know the disk image is good because it boots on my G5 which has tiger installed.
    Thanks for a reply..
    Skip

    Allan Eckert and BCC99,
    Thanks for the responses. I REALLY appreciate it becuase I usually spend a lot of time spinning my wheels trying to make something work that doesn't.
    The reason I wanted to boot it was that my old IBOOK crashed and I wanted to boot up the old "clone" (not disk image - my poor choice of words) so that I could view some of my older emails that contained information that I wanted to view. I know I could do it on my G5 but I wasn't home and wanted to try my new Macbook.....
    Thanks again...
    Skip

  • Can't boot from Install Disk for Leopard

    I purchased the new xeon core dual which only boots in Leopard. I need to put Leopard on an external drive, so I purchased Leopard and tried to install it on an external drive. My computer starts to read the disk but before it even gets to the blue screen, it stops, scrolls down in a dark gray screen and says I need to restart by holding the power button down. The screen kind of looks like a kernal panic with oriental writing under the english.
    I have tried by restarting and holding down the "c" key with no luck. I tried again with holding down the "option" key and when the hard drive and disk show up as choices. I chose the disk and still no luck. I disconnected all my external drives and tried again with no luck. I called tech support and they said it may be my optical drive. They set up an appointment with the genius bar at my local apple store. The genius listened to my drive and said there was nothing wrong with the drive and that it probably was a bad disk so they gave me a new one. Went home and tried with the new disk and same problem. Can anyone help?!! Thanks.

    I purchased the new xeon core dual which only boots in Leopard.
    I need to put Leopard on an external drive, so I purchased Leopard and tried to install it on an external drive.
    There's your problem. Macs which ship with Leopard can't boot Leopard retail, unless it is newer than the Mac in question. Check the version of Leopard on the Leopard retail DVD you purchased in the second quote. If it is older than what was installed on your Mac Pro based on the Mac Pro install and restore DVD, then it won't work on your Mac Pro. If you want Leopard of the Mac Pro to be backed up to be an emergency boot volume for the Mac Pro on the external drive, use a cloning software*:
    http://www.macmaps.com/backup.html
    Or follow these directions to backup your Mac Pro DVD*:
    http://www.macmaps.com/bootcd.html
    If you need an emergency Leopard volume for another Mac, install it directly from that other Mac. If that other Mac lacks a DVD drive, get a Firewire DVD drive to do it.
    - * Links to my pages may give me compensation.

  • Is it possible to boot or Time Machine restore from an external Thunderbolt disk drive?

    (There are several questions - search for "?".)
    I purchased a Seagate Backup Plus for Mac Desktop Drive 3 TByte with default USB 3.0 interface, and also acquired the Seagate Thunderbolt Adapter for Backup Plus Desktop Drives and Thunderbolt cable.
    I do a redundant backup to the Seagate Drive using both Carbon Copy Cloner (nightly) and Time Machine (hourly) using its Thunderbolt adapter.  BTW:  One never knows when Time Machine will choke - see discussion titled, "UPDATED: Serious Time Machine bug on Mountain Lion", which I had; Rest In Peace Pondini (James Lewis Pond).
    Booting from the external Seagate Backup Plus via Thunderbolt inteface from System Preferences -> Startup Disk:
    I select the Time Machine OS X, 10.8.5 Startup Disk (Thunderbolt attached drive), click Restart, confirm my choice, the computer reboots, however, it reboots from the internal Macintosh HD OS X, 10.8.5, NOT the selected external Thunderbolt drive.  The SSD drive was used as the Startup Drive, not the selected external Time Machine volume as indicated by the display free disk space command (df(1)) and seeing that the Macintosh HD OS X, 10.8.5 volume is mounted as root.  That is very deceptive in that both the internal and external drives will appear in the same manner from a GUI point of view!  OS X doesn't even inform me that it did not boot off the selected volume.  This is the first half of the problem, that is, Is it possible to boot from an external Thunderbolt disk drive?  In my case, the answer is deceptively No.  Can anybody else boot off a Thuderbolt attached disk drive?  Note that if I remove the Thunderbolt adapter, and attach the drive via its USB 3.0 cable, the MBP boots off the external Seagate Backup Plus just fine, as is expected.
    Booting from the external Seagate Backup Plus via Thunderbolt inteface from boot-time "Option - Select startup disk" method:
    When I restart the MBP using the startup Option key to select the startup volume, the externally connected Seagate drive ONLY SHOWS UP if it is attached with the USB 3.0 cable, not when it is attached with via the Thunderbolt interface.  Can anyone else boot off a Thunderbolt drive with the startup Option key sequence?  At least the MBP doesn't deceive me in this case - I know right away that the external Thunderbolt drive is not an option when connected as such.
    Time Machine restore from the external Seagate Backup plus via Thunderbolt interface from the "command-R - Recovery Parition" method:
    After booting from the recovery partition, I attempt to perform a Time Machine restore from the Thunderbolt connected Seagate Backup drive.  When Time Machine attempts to present me with a viable backup Time Machine volume, the external Thunderbolt drive is never offered as an option.  So I switch the Time Machine volume to use its USB 3.0 interface, and then Time Machine displays that drive as an option, and the MBP proceeds with the restoration as expected.  The interesting thing to note is that while booted in the recovery partition via the Thuderbolt cable, the MBP Disk Utility may be selected, and the Thunderbolt attached drive may be operated on just fine.  Can anybody else restore their MBP using Time Machine and the Recovery Partition via the Thunderbolt interface?
    This is also a big problem for me in that I am forced to restore my MBP via Carbon Copy Cloner using the USB 3.0 interface, because I cannot even boot off that volume's Thunderbolt interface.  Of course, the option may be that I could use yet another eternal USB 3.0 drive, boot from it, and then use Carbon Copy Cloner to restore the Macintosh HD via the aforementioned drive connected by a Thunderbolt cable, but that is less than ideal and not elegant, so I'm not going there.
    Another side issue is that the commercially available program, TechTool Pro 7's eDrive, which I installed on the Time Machine volume, will not boot off that eDrive as advertised, but I won't got through those steps here, because that would be beyond the scope of this issue, however, I must say, It does not work either when the Time Machine volume is connected via the Thunderbolt interface, but works just fine when connected via the USB 3.0 interface.

    If this helps anybody else make a decision about whether to consider Apple because of Apple's superior customer service:
    Apple sells this entire line of drives right in their store, from 1TB to 4TB.  I spent 1 and 1/2 hours, yesterday, confirming that  the 3TB model IS NOT 100% Thunderbolt compliant.  A MBP cannot boot, nor can it Time Machine restore from this drive, though EVERYTHING about the drive is normal.
    Apple's South Coast Plaza store management had at least two responses to me personally about how to proceed:
    1.  Buy a different drive from another drive manufacturer, and to attempt to return the drive to COSTCO.  A lead genius suggested going with GTech drives, for instance.
    2.  Wait for Seagate to fix their problem.
    I told Apple management in the store that the drive is advertised as Mac Compatible (see  picture) and that it is advertised as being a Thunderbolt drive (see picture).  I pressed management that my purchasing decsion to get the best possible MBP Retina was based on the availablity of Inexpensive Devises (raID), and that not having this complete compatibility is a show-stopper for my needs, and that I wanted a refund.  Their response?  They needed to talk with "Merchendising" to see if they are on or off the hook for these kind of 3rd party assertions, and would get back to me.
    I am not holding my breath.
    Note:  I do not hold this against the Geniuses that helped me, nor against the management I've dealt with, nor the upper level engineers that I've corresponded with through Apple Care - their problem solving skills were helpful - although I could have arrived at similar conclusions given enough $$$.  (For instance, try a Lacie TB drive and see if that works - we did, and it did not work.  Or, we have a different TB cable and a different TB adapter, let's try those - we did, and it did not work.)  I blame myself for not doing enough homework before going with Apple's solutions.

  • IMac won't boot from internal drive (Disk Ult can't see drive)

    Yesterday morning my iMac (early 2006) froze while watching a movie. I figured it was because I was running so many things in the background (Safari, iTunes, iPhoto, Mail, iCal and Preview). So I restarted the unit by holding down the power button cause it wouldn't responded to any keyboard prompts, tho it did allow me to use the mouse. So I restarted and got a grey screen showing a folder and a question mark. i unplugged the system for a few minutes and started her up again. This time it showed the gray apple but it had a progress bar on the bottom like it was loading something. The system started and took me to the login screen. Just to be safe i restarted it from the login screen. the system booted up fine and i finished watching my movie. I came back from the gym like 2 hrs later and tried to wake my mac from sleep mode and got the usual prompt to enter my password to unlock the screen. As i started to enter my password the screen froze again. This time tho i was unable to restart the unit. i kept getting that grey screen with the folder and question mark. So iI popped in my 10.6 install disk to see if I could repair the HDD. But no matter how many times i try the system does not pick up my internal drive. I'm not really sure what the problem is. I thought it might be hardware failure, but I didn't have this problem until after the latest software update. And the drive never gave me any indication of problems before yesterday. All i can think is that the system update or safari update corrupted something or is not playing nice with something already on the system. But i guess that wouldn't explain the drive not being seen. Can anybody offer and ideas of a solution? I really just wanna get it up so I can salvage my iTunes folder and transfer it to my Macbook.
    HELP

    Hi MacBoy84
    Sure sounds like the HD is worn out, damaged, failing or failed and needs to be replaced.
    Take it to your local Authorized Apple Service Provider and have them put a new WD Caviar Blue or Seagate Barracuda 3.5 SATA HD in it. > http://www.apple.com/buy/locator/service/
    Given the choice I would choose a WD Caviar Blue, they seem to run a little cooler and quieter than the WD Blacks and most Seagate's. http://www.wdc.com/en/products/index.asp?cat=3
    As for your iTunes Library that depends, some times just before an HD totally fails it is possible to copy the data off of it. Unfortunately most of the time when it's gone it's gone for good and needs to be sent out to a professional data recovery service, you do have a Time Machine backup on an External HD right?
    Dennis

  • What's happening on my iMac?  There are two choices of selected start up disks appearance without hold down option key.  On the other hand, it start up normally show apple picture when I hold option key.

    There are two choices of selected start up disks:Main HD and Recovery HD, appearance without hold down option key.  On the other hand, it start up normally show apple picture when I hold option key.

    Hi artdiva28
    Welcome to Apple Discussions
    First go to *System Preferences > Startup Disk* > select the *Mac OS X 10.5. on Macintosh HD* > click the Lock > hit the Restart button.
    Then if the iMac is still having trouble starting up, insert your Install Disk and restart holding the Option key. In Startup Manager select the Install Disk and boot into it, choose your language, skip the Installer and go up on the menu bar to Utilities and open Disk Utility. In Disk Utility select your Macintosh HD and hit the Repair button. Once finished note any errors and what was repaired for future reference. Quit Disk Utility and restart once again holding the Option key boot back into the Macintosh HD and eject the Install Disk.
    Also see > http://support.apple.com/kb/HT2956
    Dennis

  • Best way to go about adding a new, but smaller boot disk

    So, after fawning over the new MBP with Retina Display I've decided that I'm not willing (yet) to spend that kind of money on a new MBP.  Instead, I've decided to try to make my existing 15" Mid-2009 MBP peppier.  To that end, I've gone off and purchased a kit to convert the optical drive into a hard drive and also purchased a new 128GB SSD.  The existing internal HD is 500GB.  My plan is to have my OS on the 128GB SSD and keep my data files on the bigger but slower HD.  The devil of course is in the details.
    A first question, but by no means the most important since I can experiment to find out, is if it makes better sense to put the SSD in the optical bay converter, or to swap it for the 500GB HD and put *that* in the converter.  I've seen some discussion that suggests that the latter is the better choice, but I'm certainly willing to read what folks have to say.
    The second and far more important question, is how should I handle migrating the OS?
    One option seems to be to use SuperDuper! which seems to be pretty well suited to the purpose.  It has a mode (sandbox - shared users) that will copy all by the user files to another drive and will even select it as the boot drive when it is done if you like.  This would move the OS and all the applications to the SSD while keeping my big honking home directory on the 500GB HD.
    Another option would be to do a fresh install of Mountain Lion to the SSD and use the Migration Assistant to pull my settings in.  As I recall, I can choose exactly which bits I migrate in... it isn't clear to me that it is quite intended to be used for moving to a two drive setup though.  I'd be less sure this would result in what I'm after.
    But then I started thinking about things like the Recovery HD partition and the EFI partition.  Both are hidden, even to Disk Utility. I don't really want to waste space on the SSD for either if I can keep them on the HD.  A fresh install of Mountain Lion on an SSD installed as an internal drive would presumably get both.
    I'm currently leaning toward the SuperDuper! route, but I want to hear reasoned opinions.  Thoughts?

    You will need to first prep the SSD.
    Install a fresh copy of Mountain Lion on the SSD.
    Boot from the SSD.
    Open Users & Groups and click on the lock icon to authenticate.
    Select your SSD user account. CTRL- or RIGHT-click and select Advanced Options from the context menu.
    Click on the Choose button to the right of the field labeled, "Home directory:".
    Navigate to your Home folder on the HDD, select and click on the Open button.
    Click on the OK button and restart.
    Drive Preparation for Lion/Mountain Lion
    1.  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. Select Disk Utility from the main menu and click on the Continue button.
    2. After DU loads select your SSD (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. 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.
    4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
    5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
    6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
    7. After formatting is done quit DU and return to the main menu. Select Reinstall Lion and click on the Continue button.
    The Lion/Mountain Lion installer will create a Recovery HD on the SSD.

  • Can't create rescue disk nor boot from installation disk

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