Help setting up bootcamp + mavericks + data partition

Hi there,
I am trying to install Windows 8.1 on my MBP using Bootcamp! I currently have one partition containing my OSX 10.9.3 installation. After using bootcamp to divide the partition into two, the installation procceeds as normal and is successful. However, once I rezise my OSX installation to make space for the extra data partition, windows will no longer boot (selecting Windows when I hold the option key upon startup would just lead to a black screen with a flashing white underline at the top left of the screen). Is there a way for me to successfully get this system to work?
Please help me!
Thanks.

Thanks for the prompt response.
I disagree that it's not going to work - I did it before but I can't remember how to.
I was using this 3 partition system ever since I was running lion. And everything was done using boot camp and disk utility. Only recently did I realize that I was running out of space for my windows partition and I decided to reinstall windows completely and re assign the partition sizes only to run into this problem. And based on what other posts there seems to be people who are able to do it as well but I just can't figure out how to.
Please continue to help me!!
Thanks!

Similar Messages

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    Hey All,
    I should be getting my MBP 17" in a few days and so I'm starting to get things ready to get it all set up.
    My intention is to run Vista/Windows 7 as my main OS, so I have a few questions about how to go about doing this.
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    Question No.1
    Yes you can install the OEM version of windows Vista
    Question No.2
    Depends which OS you will be using most frequently. If you dont use OSX alot, leave at least 30GB-40GB of space. preferably try to leave more. And vice versa if you are not going to use Vista alot.
    Question No.3
    Unless you install via VMware or parallels then No you cannot access data simultaneously ( as far as i am concerned ) unless you install this program https://docs.rice.edu/confluence/display/ITTUT/AccessOS+X+partition+from+Windows+in+BootCamp
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    Andrew
    Message was edited by: iddrew

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  • Tutorial - How to triple boot OSX, Linux and Windows 8.1 with a shared Data Partition without any third party Win / OSX softwares

    This is not a question, but rather a personal guide that has proved to be running successfully.
    I would like to thank numerous sources, including Christopher Murphy's suggestions at:
    Re: Repairing Boot Camp after creating new partition
    Before proceeding, there are certain concepts needs to know:
    Why Boot Camp does NOT allow further partitioning of drives after Windows has installed?
    Answer: Because the way Apple configures the Mac to be recognized as non UEFI capable system on Windows.
    Quote from Christopher Murphy based on the above line:
    However, Windows on Macs right now use CSM-BIOS mode in Mac firmware that presents BIOS to Windows rather than EFI. Windows thinks it's on a BIOS computer, and therefore mandates the use of MBR for boot disks, rather than GPT. So that's why we have this hybrid MBR+GPT approach on Mac with Windows on it. You inherit the limitations of MBR, which is four primary partitions.
    So what does it means?
    It means that OSX + EFI + Recovery HD + Boot Camp partition = 4 primary partitions and thus any attempt to modify the disk will render booting issues of either system.
    For more info on GPT (GUID Partition Table disks VS Master Boot Record or MBR in short, you may visit: http://msdn.microsoft.com/en-us/library/windows/hardware/dn640535%28v=vs.85%29.a spx)
    So, how to overcome it?
    The general guideline is to install ALL GPT ready OS first then create a Data partition, before installing Windows (Which is again, NOT supported GPT due to EFI configuration by Apple where end-users are not able to modify it).
    Interestingly, since Mac Pro 2013 Late supports only Windows 8 and above, thus it is not known if this CSM-BIOS applies to it or not.
    Do take note that GPT disks in Windows can only be booted when the system meets the 2 requirements:
    http://msdn.microsoft.com/en-us/library/windows/hardware/dn640535%28v=vs.85%29.a spx#gpt_faq_win7_boot
    1) Windows x64 version (Which is a must for newer Macs. If you cannot go to Boot Camp 5, then you need Windows 7 x86 or 32bit version)
    2) UEFI system. However, Windows sees all Macs (With the possibility of Mac Pro 2013 Late is an exception. To be determined) as BIOS, or rather NON-UEFI system.
    In short, booting on GPT disks is not possible for Mac in Windows.
    Summary,
    It is tested that a combination of the following will not work:
    - OSX + Windows + Linux
    - Windows + OSX + Linux
    - Windows + Linux + OSX
    Usually it can create the system un-bootable or OSX refused to install due to the system does not recognize such partitions and / or Disk Utility refused to format a free space. An example screen-shot is provided below:
    The error message is shown as
    Title: "Failed to erase volume" Message: "Failed to wipe volume, as an error occurred: MediaKit has reported that the device does not have enough free space to execute the requested operations."
    The second thing is about the preparations we need.
    1) 1X Windows 7 or 8 DVD or USB thumbdrive
    1A) If you uses a DVD to install, you will need another thumbdrive to load the BootCamp drivers for Windows as well as may requires an external DVD drive for newer Macs
    2) 1X Linux DVD of your choice. Personally I choose Fedora 20.
    So ready? Let's go.
    1. Using Disk Utility, shrink the OSX's partition size to what is needed. For me, I give OSX 150GB. Do NOT create any new partition.
    Disk Utility should see something like below whereby only OSX partition is left with desired disk space. The remaining space are to be unused disk space for the moment.
    Note: Click on the top most item that should start with the size of your HDD / SSD. Then clicked on "Partition" and specify the desired OSX size. Hit "Apply" after that.
    2: Download Boot Camp drivers only via Boot Camp Assistant. The USB thumbdrive shall be used later after Linux's installation.
    Boot Camp Assistant should see this:
    I have only selected "Download latest Windows Support Files from Apple"
    3. Insert Linux DVD, reboot Mac into EFI mode (The left most first "EFI mode").
    Note 1: Before rebooting, please plugged in an Ethernet adapter because Wi-Fi drivers is not installed.
    Note 2: For Thunderbolt adapters, it must be plugged in before reboot as hot-swapping is not supported under Linux. More on the tips at the end of this article.
    Note 3: Press and hold "Option" after the screen turns black. Release Option key after you see the image as below:

    For the unfortunate part that did not make it on time to edit the images:
    9. Install the Windows Support software from your CD/USB drive to gain full functionality of your computer. Reboot and go to Windows again.
    Note 1: You may choose to eject disc at this point of time. For Apple SuperDrive users, you will need to wait until the drivers (i.e. Boot Camp support files) is installed and rebooted before ejecting is reasonably possible (As I failed to figured out how to right click without the drivers)
    Note 2: Unlike Windows 7 on KBase article TS4599 Keyboard/trackpad inoperative, black screen, or alert messages when installing Windows 7, USB stick can be plugged in after the Windows installation is done. This is because Windows 7 (And probably Windows 7 with SP1 DVD) does not have a built in USB 3 drivers when it was released back in 2009 where USB3 has not arrived then.
    Note 3: Due to TPM, Bitlocker is not supported without the use of thumbdrives.
    10. Using Disk Management to determine the given drive letter for the DATA partition (DO NOT DELETE and RECREATE partition or else you can goodbye to booting Linux and OSX). Disk Management will not allow you to format it as exFAT / FAT32 in graphical way.
    Note: You may remove or modify some of the disk letters in Disk Management. However, do NOT remove / modfify the drive letter for the partition with 200MB size in HFS. This is because it will disallow booting of Linux and neither could Windows nor OSX can do anything EXCEPT to reinstall Linux only.
    11. Open Command Prompt in Administrator Mode (Important!!), and key in the following command:
    format F: /FS:exFAT
    Give this volume a label after it has successfully formatted before hitting "Enter" again.
    Note: Mine Data partition was assigned as F drive. Please make necessary adjustment to "F:" should your Data partition is assigned to other letters.
    12. After that, Setup your Data partition structure as you like.
    Tip: Minimally create the important folders such as:
    - Music
    - Documents
    - Movie (Videos)
    - Downloads
    - Pictures
    All these folders are commonly used by the 3 OSes. I do NOT recommend changing of /home (OSX and / or Linux) and / or user home directory (Windows) either partially or as a whole.
    This is because of compatibility issue.
    On a side note, iTunes Media Library used in OSX and Windows are NOT able to be use interchangably due to hard-coded path used.
    13. Useful troubleshooting in Fedora / Linux:
    With references to these:
    http://chaidarun.com/fedora-mbp
    http://anderson.the-silvas.com/2014/02/14/fedora-20-on-a-macbook-pro-13-late-201 3-retina-display/
    http://unencumberedbyfacts.com/2013/08/16/linux-on-a-macbook-pro-101/
    I would like to highlight a few important points:
    1) Wi-Fi driver:
    http://rpmfusion.org/Configuration
    Note 1: The sound driver should be installed at Out of Box Experience. However, the Wi-Fi is not.
    Note 2: Install both free and non-free repository. By the way, some other software like VLC can only be found after the Free Repository is installed.
    Search for "akmod-wl" in Gnome-Package-Installer in order to install Wi-Fi drivers
    Note 3: For those who do not have Ethernet adapters and their Mac does NOT have a built-in Ethernet port, it is recommended to get one. This is because Fedora 20 does not have a good support for iPhone USB tethering. Unsure for Andriod / Blackberry / Windows Phone users.
    2) Grub Menu:
    It will show several options to boot into OSX, even of the capability to boot into x86 or x64 mode. However, neither of them is bootable except Linux and the rescue.
    Hence, it is recommended to remove the items by hand in this file:
    /boot/efi/EFI/fedora/grub.cfg
    Command to be used:
    "sudo gedit /boot/efi/EFI/fedora/grub.cfg"
    Parts to be removed:
    - For any extra kernels, delete the target entry by locating the line "menuentry" under "/etc/grub.d/10_linux" sector to one line above the next "menuentry".
    It is recommended to keep one main kernel, and one recovery at the minimal.
    - For other OS, delete all the entry (Since neither it can works) under "/etc/grub.d/30_os-prober" sector without removing the lines starts with ###.
    Auto Mount exFAT partition:
    - After installing extra packages for exFAT support (Since it is not supported by Fedora 20 from a default installation), you may wish to edit "/etc/fstab" in order to mount the exFAT partition during boot time.
    Command to be used:
    "sudo gedit /etc/fstab"
    Add the following line in gedit:
    UUID=702D-912D /run/media/Samuel/DATA                   exfat    defaults        1 2
    Note 1: For DATA partition, OSX & Boot Camp partition, Fedora defaults mounts under: "/run/medua/<Username with case sensitive>/<Partition Label Name>"
    Note 2: UUID is unique ID. You can find out the UUID by:
    Step 1: First determine the DATA partition number:
    "sudo gdisk /dev/sda"
    Step 2: Determine the UUID of this partition number:
    "sudo blkid /dev/sda8"
    Reference 1: http://manpages.courier-mta.org/htmlman5/fstab.5.html
    Reference 2: http://liquidat.wordpress.com/2007/10/15/short-tip-get-uuid-of-hard-disks/
    3) Overheating CPU
    Solution is to issue the following command in Linux terminal: su -c "echo -n 1 > /sys/devices/system/cpu/intel_pstate/no_turbo"
    4) System resumes immediately after suspend
    Solution is to issue the following command in Linux terminal: su -c "echo XHC1 > /proc/acpi/wakeup"
    5) What does not works well out of box:
    - Both GNOME and KDE's fonts are too small to be readable for out of box experience. Additional configuration is a need. (Some of the info can be found on "More Tips" later)
    - Thunderbolt hotplugging is NOT supported under Windows and Linux so far. Neither FaceTime HD camera works as well.
    - The red light in Headphone jack is always on. I do not have luck in switching off the light without losing the sound.
    Note 1: It is determined that the module "snd_hda_intel" is used by both cards (HDMI and normal output)
    Note 2: It is also known that blacklisting it can switch off the redlight at the price of muting the system.
    Note: Based on this article, http://support.apple.com/kb/TS1574
    A Mac (Except Mac Pro) needs servicing when there is a red light while the system fails to detect internal speakers. However, this article does NOT applies to this issue.
    5A) More Tips:
    Install gnome-tweak-tool for more customization
    Search for: "gnome-package" to install:
    Install Gnome Package Installer for advanced package repository
    Install Gnome Package Updater for advanced updates to be install (Whereby Fedora's App Store alike might not show the relevant updates)
    14. Verify if disk is still GPT:
    Use Gdisk to determine if the disk is pure GPT:
    http://ubuntuforums.org/showthread.php?t=1742682
    Command: sudo gdisk -l /dev/sda (The entire hard drive)
    You should see the MBR is "Protective" instead of anything else.
    15. Congrats, the system is ready for triple boot. (I forgot to eject my Windows DVD when the photo was taken)
    Note 1: You cannot set the default startup disk in Linux due to the lack of Boot Camp Control Panel in Linux.
    Neither is changing startup disk recommended in Windows due to the inability to display correctly.
    For me, I click "Cancel" whenever I am on this tab (Feel free to make other Boot Camp adjustments in other tabs).
    Only OSX I know that can show the startup disk options correctly.
    Note 2: For some reason, OSX likes to auto mount the EFI partition everytime it boots up. It is not known to have any issue for ejecting other disks or mounting disks via Disk Utility.
    Note 3: It is not determined if any Firmware or System upgrades will cause issues. It is only known that all 3 OS's regular updates should not be an issue.
    System Updates excludes Mac OSX 10.9.3 updates to OSX 10.9.4 type as I had done it on a OSX 10.9.4 Mac or Windows 8.1 to Windows 8.1 Update 1 since my Windows DVD comes with Update 1.
    System Upgrades refers to OSX Mavericks to Yosemite, Fedora 20 to Fedora 21, Windows 8.1 Update 1 to Windows 8.2 / Windows 9 for that matter.
    Note 4: Reset SMC and / or PRAM will NOT affect your ability to boot any of the OS (OSX, Recovery HD, Fedora & Windows 8)
    Yup, that is it!

  • "No bootable device --- insert boot disk and press any key" after setting up Bootcamp

    Hi guys,
    I am trying to install Windows 7 via Bootcamp but after setting up Bootcamp and restarting the computer I get the error message "No bootable device --- insert boot disk and press any key".
    I use an iMac with a DIY Fusion Drive consisting of a 120 GB SSD and a 1 TB HDD.
    Since Bootcamp can only be installed on the HDD I believe disk1 is the interesting one. Here is the output of sudo gpt -r -vv show disk1:
    gpt show: disk1: mediasize=1000204886016; sectorsize=512; blocks=1953525168
    gpt show: disk1: Suspicious MBR at sector 0
    gpt show: disk1: Pri GPT at sector 1
    gpt show: disk1: Sec GPT at sector 1953525167
           start        size  index  contents
               0           1         MBR
               1           1         Pri GPT header
               2          32         Pri GPT table
              34           6        
              40      409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
          409640  1709658208      2  GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
      1710067848     1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
      1711337384          88        
      1711337472   242186240      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
      1953523712        1423        
      1953525135          32         Sec GPT table
      1953525167           1         Sec GPT header
    And the output of sudo fdisk /dev/disk1:
    Disk: /dev/disk1
    geometry: 121601/255/63 [1953525168 sectors]
    Signature: 0xAA55
             Starting       Ending
    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]
    1: EE    0   0   2 -   25 127  14 [         1 -     409639] <Unknown ID>
    2: AF   25 127  15 - 1023 254  63 [    409640 - 1709658208] HFS+       
    *3: 07 1023 254  63 - 1023 254  63 [1711337472 -  242186240] HPFS/QNX/AUX
    4: 00    0   0   0 -    0   0   0 [         0 -          0] unused
    Here is also the list of my disks:
    /dev/disk0
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *120.0 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:          Apple_CoreStorage                         119.7 GB   disk0s2
       3:                 Apple_Boot Boot OS X               134.2 MB   disk0s3
    /dev/disk1
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *1.0 TB     disk1
       1:                        EFI EFI                     209.7 MB   disk1s1
       2:          Apple_CoreStorage                         875.3 GB   disk1s2
       3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
       4:       Microsoft Basic Data BOOTCAMP                124.0 GB   disk1s4
    /dev/disk2
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:                  Apple_HFS FusionDrive            *975.5 GB   disk2
                                     Logical Volume on disk0s2, disk1s2
                                     FFA13FBC-2001-40B7-8BBB-BE6EECF8AC11
                                     Unencrypted Fusion Drive
    /dev/disk3
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:                            GRMCPRXFRER_DE_DVD     *3.2 GB     disk3
    I have gdisk installed and am ready to mess around. Any help would be greatly appreciated!

    So, when I started my iMac yesterday morning it couldn't boot into OS X anymore either. Several hours of restoring later I am back to square one. I tried installing Windows 7 via Bootcamp again but got the same error message. This time I noticed though that Bootcamp asked me to remove the bootable option from the USB drive with the support drivers in order to install from DVD. Does that ring any bells? I am building another USB drive right now, hoping it would ask me again but this I will decline and try to boot from it.
    When you restored, was a Time Machine restore used? TM does not backup Bootcamp and does an erase of the partition. It may also erase the entire disk (including the Fusion drive) if the specific backup of the volume layout of the disks indicates a pre-Bootcamp layout.
    My MacBook Pro is a 2009 model and also once had a built-in optical drive. I have no idea why it would work on there but not on the iMac.
    You also wrote
    When I plug the external DVD drive in, the boot manager recognizes a "Windows" disc and an "EFI Boot" disc. If I select the "Windows" disc I get a black screen with a blinking dash.
    The blinking dash indicates that it is working, but does not have the requisite drivers to enable the GPU/Mouse/Keyboard on the media being used.
    In the MBP case, did you have two drives installed in the MBP, a Fusion configuration, and then were able to successfully install Bootcamp?
    For example on a Mac mini I have a DIY Fusion drive, but the sequence was done differently. Bootcamp was installed using a USB stick+Windows 7 ISO.
    1. The two disks are not in a CoreStorage set up initially.
    2. The second disk is partitioned (64Gb) and a Bootcamp W7 install completed via USB (this is different HW as compared to IMac, because it has no Optical drive).
    3. After the HDD is partitioned, the first partition and the SSD are then used to create a CoreStorage volume.
    4. Here is the working version and disk layout. (I plan to erase both disks, put W7 on a partition on the SSD, and make the non-Bootcamp+entire HDD in a CoreStorage volume).
    diskutil cs list
    CoreStorage logical volume groups (1 found)
    |
    +-- Logical Volume Group A8C00490-0E14-401F-AB69-59F37724E8C4
        =========================================================
        Name:         Fusion
        Status:       Online
        Size:         1190201270272 B (1.2 TB)
        Free Space:   0 B (0 B)
        |
        +-< Physical Volume 4772013B-5520-4801-9BE5-BCAEF4AEDAB3
        |   ----------------------------------------------------
        |   Index:    0
        |   Disk:     disk0s2
        |   Status:   Online
        |   Size:     255716540416 B (255.7 GB)
        |
        +-< Physical Volume A679A101-3C78-4A59-B5EE-A4339210CFAD
        |   ----------------------------------------------------
        |   Index:    1
        |   Disk:     disk1s2
        |   Status:   Online
        |   Size:     934484729856 B (934.5 GB)
        |
        +-> Logical Volume Family 5EF5C7CA-0B9C-4169-82A1-41C84F206672
            Encryption Status:       Unlocked
            Encryption Type:         None
            Conversion Status:       NoConversion
            Conversion Direction:    -none-
            Has Encrypted Extents:   No
            Fully Secure:            No
            Passphrase Required:     No
            |
            +-> Logical Volume 1512657C-ED13-4B31-82C6-7AECBBCA7F98
                Disk:                  disk2
                Status:                Online
                Size (Total):          1185508581376 B (1.2 TB)
                Conversion Progress:   -none-
                Revertible:            No
                LV Name:               Fusion HD
                Volume Name:           Fusion HD
                Content Hint:          Apple_HFS
    diskutil list
    /dev/disk0
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *256.1 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:          Apple_CoreStorage                         255.7 GB   disk0s2
       3:                 Apple_Boot Boot OS X               134.2 MB   disk0s3
    /dev/disk1
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *1.0 TB     disk1
       1:                        EFI EFI                     209.7 MB   disk1s1
       2:          Apple_CoreStorage                         934.5 GB   disk1s2
       3:                 Apple_Boot Boot OS X               650.0 MB   disk1s3
       4:       Microsoft Basic Data BOOTCAMP                64.9 GB    disk1s4
    /dev/disk2
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:                  Apple_HFS Fusion HD              *1.2 TB     disk2

  • Bootcamp & Mavericks

    Upgraded to Mavericks lately. I wanted to expand my Windows partition and install Windows 7 Ultimate, 64 bits. Ran bootcamp assistant version 5 and changed windows partition from 45Gb to 200GB. Of course all windows data was erased in the process but I had to install Windows 7 instead of XP anyways.
    Just made sure I had all my personal data backed up on USB stick.
    Contrary to Apple help files for Bootcamp, the assistant does not give you the option to save the necessary apple drivers on a FAT formatted USB drive or SD card. It automatically reformats the Windows partition with only the main drivers and immediately transfers you to the Windows install setup ( you do need a FULL install Windows 7 disk , not an upgrade).
    You will need to manually download the Bootcamp Drivers from Apple and save it to a FAT usb/sd card.
    Problem 1) While Windows will detect a wireless keyboard and generate a code to input, you cannot do the same for wireless mouse. You will need a wired mouse and input as code "0000".
    Problem 2) This will leave you without proper graphics, sound and other drivers needed for Windows to run properly with your hardware. Go to your USB/ SD card directory's drivers folders and install each needed drivers .exe file seperately. The main .exe file on your USB/SD will not work and you will get an Incompatible error message.
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    Very, very helpful. I was stuck and about to give up until I stumbled upon this post. Thanks!

  • Best Solution for Backup of Dual System(Mac & Win7) and Data Partition

    I need a professional solution of backup my dual-system, which are Mac OS Mavericks and Windows 7, and a Data Paritition.
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    Also, the annoying thing is DATA partition, if I make it a FAT32 format, some large files cannot be copied into, but if I make it a NTFS, Mac OS cannot regonize it, right?
    What about using exFAT format? Never use that before, actually. I heard that format can accept large files and also be regonized by Mac OS.
    To sum up, two advices needed. 1. Win 7 partition backup and restore w/o breaking Mac OS system; 2. DATA partition format for both system.
    Thanks a lot. I appreciate your help!

    Also, the annoying thing is DATA partition, if I make it a FAT32 format, some large files cannot be copied into, but if I make it a NTFS, Mac OS cannot regonize it, right?
    Use exFAT instead of FAT32.
    http://lifehacker.com/5927185/use-the-exfat-file-system-and-never-format-your-ex ternal-drive-again
    I don't know how to backup the Windows partitions.  For the OS X partition:
    Time Machine Basics: http://support.apple.com/kb/ht1427
    Most commonly used backup methods: 
    https://discussions.apple.com/docs/DOC-3045
    Methodology to protect your data.  Backups vs. Archives.  Long-term data protection:
    https://discussions.apple.com/docs/DOC-6031
    PlotinusVeritas gives some great suggestions for purchasing external hard drives in this thread:
    https://discussions.apple.com/thread/5602141?tstart=0

  • Weird Mavericks Recovery Partition Glitch

    Greetings, I have a mid-2010 Macbook Pro that is currently running the latest version of Mavericks.
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    I am unable to access the menu bar or run disk utility on my disk from this menu. In fact, because of the positioning of the dialogue box I'm not even sure if my HD appears in the disk utility window. Re-installing mavericks fixed the issue, but this glitch re-appeared once I booted into my Bootcamp partition for the first time after the re-install.
    Both partitions are running without problems, and repairing disk permissions/verifying disk works in Mavericks, but if anything were to happen I fear the inability to use my recovery partition.
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    You have the MacBookPro6,2, the Edsel of Macs. It may have the logic-board defect that was covered by this recall.
    Make a "Genius" appointment at an Apple Store, or go to another authorized service provider, to have the machine tested. The routine hardware diagnostics used by service providers do not detect the fault. There is a specific test for this issue that Apple calls "VST" (for "Video Switching Test.") Ask for it. A "Failed" result means that the fault is present. However, according to reports, some units may pass the test, and yet still be deemed eligible for repair under the program. Your experience may vary.
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    If it's too late for your unit to be repaired under the program, and you don't want to pay for a new logic board, you may be able to stop the panics by disabling automatic graphics switching. To use the discrete graphics processor, you'll need a third-party utility to switch to it manually.
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    *An SSD doesn't need to be zeroed.

  • Disk Utility - Partition map needs repair because a data partition needs loader space.

    I just finished setting up both my OSX and Windows installs from scratch after fitting an SSD, which in-turn was right before my logic board died and Apple replaced it, now it looks like I have some sort of hard drive issue brewing.
    This was my plan for the SSD, and how it currently displays in Disk Utility although that wasn't the case earlier:
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    So I booted back into OSX, all my files look fine so I ran Disk Utility and the Partition tab looked really odd - unfortunately I didn't get a screenshot. All volumes reported their size correctly but visually, Macintosh HD took up most of the drive. I could see 'Windows 7 Pro' under this, but the Partition Layout section had a scrollbar, which if I scrolled down showed 'Projects' squished into a tiny gap at the bottom. I ran a Verify, which reported no problems, and at some time since the Partition Layout has reverted to how it should look (as in the screenshot above), with 'Projects' book-ended by "Macintosh HD' and 'Windows 7 Pro'.
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    Error: Partition map needs repair because a data partition needs loader space.
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    Can't open /dev/rdisk0s2: Permission denied
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    I'll update with a shot of the drive in Disk Management from Windows in a few minutes, in case that sheds light on anything. Thanks!

    Similar issue here. I manually partitioned my hard disk for triple boot (using Gparted on Linux), then everything was just fine until I ran bootcamp, to do something as simple as create a boot USB.
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    I suppose that the cause in my case is that some operation "scratched" the protective MBR. See this:
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    And as a last resort to reinstall.
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  • Lion 10.8.2 + Windows 8 + Shared exFAT data partition

    Greetings!
    I have a Macbook Pro 13 inch mid-2012 model that I self upgraded to 1TB HDD and 16GB RAM. The system runs flawlessly and VMWare is also fully functional for my basic needs on Windows. However I am at the point that I NEED BOOTCAMP, and VM is not an option for some of my needs.
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    - I know only exFAT is the format supported "natively" for BOTH read's and write's by OSX as well as Windows 7/8.
    - I got some tutorials about somewhat convoluted and no so clean instructions on how to actually get the stuff installed, I am ready to take on the challenge and have backups etc so do not mind taking the risks
    Here is what I want your advice on:
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    - Is it possible to get files corrupted while sharing the data like this between the 2 OS's
    - Is creating the data partition as NTFS and installing some native NTFS I/O handler on OSX a better option if your experience on the above 2 is somewhat negative
    - Anything else that I should be aware of?
    Many thanks in advance,
    Kaushik

    Since yours is a newer machine, you have Internet Recovery, command option r held at boot up.
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    Also follow the BootCamp drivers install from Apple.
    https://www.apple.com/support/bootcamp/
    Use Cabon Copy Cloner to clone the OS X partition to one blank external drive and WinClone to clone the BootCamp partition to another drive.
    EFI partition
    Macintosh HD partition 100GB
    ExFAT partition 700GB
    BOOTCAMP 100GB

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