arthurfyj

Q: Boot camp repaired but window crashed after creating new partition

i'm using mac air mid 2011. ( OS X El Capitan version 10.11).

 

I set up Boot Camp to dual-boot Windows on my MacBook Air. Everything was fine. But until recently after I made another partition. I wasn't aware that this would affect my Windows partition as I thought it was completely different.


When I boot up, there is no option to boot with Windows. But when I boot the Mac and select Startup Disk, it shows Boot Camp is still there and all my files etc are still there.


Eventuall i found a solution in apple support and fixed this problem. But the next problem existing is, i can't access to my window at all. When the boot option i choose window, it will come out with black screen and not running at all. Need help.


   

 

 

Model Name: MacBook Air

  Model Identifi

  Processor Name: Int

  Processor Speez

MacBook Air, OS X El Capitan (10.11)

Posted on Oct 20, 2015 12:40 AM

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Q: Boot camp repaired but window crashed after creating new partition

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  • by arthurfyj,

    arthurfyj arthurfyj Oct 20, 2015 12:44 AM in response to arthurfyj
    Level 1 (0 points)
    Oct 20, 2015 12:44 AM in response to arthurfyj

    Details of my current system:

     

    /dev/disk0 (internal, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *121.3 GB   disk0

       1:                        EFI EFI                     209.7 MB   disk0s1

       2:                  Apple_HFS Macintosh HD            85.0 GB    disk0s2

       3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

       4:                  Apple_HFS Untitled                14.9 GB    disk0s4

       5:       Microsoft Basic Data BOOTCAMP                20.5 GB    disk0s5

     

    192:~ arthurfung$ diskutil cs list

    No CoreStorage logical volume groups found

     

    192:~ arthurfung$ sudo gpt -vv -r show /dev/disk0

    Password:

    gpt show: /dev/disk0: mediasize=121332826112; sectorsize=512; blocks=236978176

    gpt show: /dev/disk0: Suspicious MBR at sector 0

    gpt show: /dev/disk0: Malformed MBR at sector 0

    gpt show: /dev/disk0: Pri GPT at sector 1

    gpt show: /dev/disk0: Sec GPT at sector 236978175

          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  166015624      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC

      166425264    1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC

      167694800   29036080      4  GPT part - 48465300-0000-11AA-AA11-00306543ECAC

      196730880     262144        

      196993024   39983104      5  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

      236976128       2015        

      236978143         32         Sec GPT table

      236978175          1         Sec GPT header

    192:~ arthurfung$ sudo fdisk /dev/disk0

    Disk: /dev/disk0 geometry: 14751/255/63 [236978176 sectors]

    Signature: 0xAA55

             Starting       Ending

    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]

    ------------------------------------------------------------------------

    1: EE 1023 254  63 - 1023 254  63 [         1 -  236978175] <Unknown ID>

    2: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    3: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    *4: 07    0   0   0 -    0   0   0 [         0 -          0] HPFS/QNX/AUX

    192:~ arthurfung$

  • by Loner T,

    Loner T Loner T Oct 20, 2015 4:08 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 20, 2015 4:08 AM in response to arthurfyj

    Can you post the output of

     

    sudo dd if=/dev/rdisk0s5 count=1 2>/dev/null | hexdump -C

  • by arthurfyj,

    arthurfyj arthurfyj Oct 20, 2015 5:21 AM in response to Loner T
    Level 1 (0 points)
    Oct 20, 2015 5:21 AM in response to Loner T

    Last login: Tue Oct 20 15:21:04 on ttys000

    192:~ arthurfung$ sudo dd if=/dev/rdisk0s5 count=1 2>/dev/null | hexdump -C

    Password:

    00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|

    00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 e0 bd 0b  |........?.......|

    00000020  00 00 00 00 80 00 80 00  ff 17 62 02 00 00 00 00  |..........b.....|

    00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|

    00000040  f6 00 00 00 01 00 00 00  0d ac 01 54 b8 01 54 06  |...........T..T.|

    00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|

    00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|

    00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|

    00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|

    00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|

    000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|

    000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|

    000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|

    000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|

    000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|

    000000f0  68 07 bb 16 68 70 0e 16  68 09 00 66 53 66 53 66  |h...hp..h..fSfSf|

    00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|

    00000110  28 10 b9 d8 0f fc f3 aa  e9 5f 01 90 90 66 60 1e  |(........_...f`.|

    00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|

    00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|

    00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|

    00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|

    00000160  0e 16 00 75 bc 07 1f 66  61 c3 a0 f8 01 e8 09 00  |...u...fa.......|

    00000170  a0 fb 01 e8 03 00 f4 eb  fd b4 01 8b f0 ac 3c 00  |..............<.|

    00000180  74 09 b4 0e bb 07 00 cd  10 eb f2 c3 0d 0a 41 20  |t.............A |

    00000190  64 69 73 6b 20 72 65 61  64 20 65 72 72 6f 72 20  |disk read error |

    000001a0  6f 63 63 75 72 72 65 64  00 0d 0a 42 4f 4f 54 4d  |occurred...BOOTM|

    000001b0  47 52 20 69 73 20 6d 69  73 73 69 6e 67 00 0d 0a  |GR is missing...|

    000001c0  42 4f 4f 54 4d 47 52 20  69 73 20 63 6f 6d 70 72  |BOOTMGR is compr|

    000001d0  65 73 73 65 64 00 0d 0a  50 72 65 73 73 20 43 74  |essed...Press Ct|

    000001e0  72 6c 2b 41 6c 74 2b 44  65 6c 20 74 6f 20 72 65  |rl+Alt+Del to re|

    000001f0  73 74 61 72 74 0d 0a 00  8c a9 be d6 00 00 55 aa  |start.........U.|

    00000200

    192:~ arthurfung$

  • by Loner T,Solvedanswer

    Loner T Loner T Oct 21, 2015 7:13 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 21, 2015 7:13 AM in response to arthurfyj

    You have a non-standard partitions (5 partitions). It can be corrected, but it is fragile and later Software Updates can still cause issues. You will need GPT Fdisk (http://sourceforge.net/projects/gptfdisk/) . The following steps are non-standard and should not be used on standard configurations. You will lose visibility to OSX from Windows.

     

    Rebuild MBR to match the new GPT information thus resetting the Hybrid MBR. Use defaults for other questions (like partition codes). The only values that need modifications are the Boot flags and step 10. Accept all other defaults that Gdisk offers. Please see the sample Q&A as an example. These steps can be repeated if you make a mistake before you get to Step 12, otherwise start from Step 1 for these steps. Step 6 has numbers which are typed with a space between the numbers. Please see the sample Q&A before you execute these steps.

    1. Sudo gdisk /dev/rdisk0
    2. P  (Print list of parts)
    3. R  (Recover)
    4. O (print current Hybrid MBR)
    5. H (chooses Hybrid)
    6. Partitions numbers to be hybridized: 3 4 5
    7. Y  (Good for GRUB question)
    8. N  (part 2 boot flag)
    9. N  (part 3 boot flag)
    10. Y  (part 4 boot flag make NTFS bootable partition)
    11. O  (print current Hybrid MBR)
    12. W (Write the new MBR)
    13. Y (Yes! write the new MBR)
    14. Reboot

     

    Here is sample Q&A for this section. Please notice the Press Enter/Return.

     

    Place EFI GPT (0xEE) partition first in MBR (good for GRUB)? (Y/N): Y

     

    Creating entry for GPT partition #3 (MBR partition #2)

    Enter an MBR hex code (default AF): Press Enter/Return

    Set the bootable flag? (Y/N): N

     

    Creating entry for GPT partition #4 (MBR partition #3)

    Enter an MBR hex code (default AB): Press Enter/Return

    Set the bootable flag? (Y/N): N

     

    Creating entry for GPT partition #5 (MBR partition #4)

    Enter an MBR hex code (default 07): Press Enter/Return

    Set the bootable flag? (Y/N): Y

     

    Test 1 - Does Bootcamp Volume show up in Finder?

    Test 2 - Can you see files in Bootcamp Volume?

    Test 3 - Can you select Bootcamp in System Preferences -> Startup Disk?

    Test 4 - If Test 3 is successful, select Bootcamp and Click Restart.

  • by arthurfyj,

    arthurfyj arthurfyj Oct 21, 2015 7:17 AM in response to Loner T
    Level 1 (0 points)
    Oct 21, 2015 7:17 AM in response to Loner T

    Loner T,

     

    You are a real legend. My window start operating. Beside can i ask u few question other than the fixed problem. Do i need to create a new discussion?

     

    How to increase my memory from OSX to my window? And how to delete partition created earlier which i intend to put on my bootcamp? The partition i created as below:

     

    4:                  Apple_HFS Untitled                14.9 GB    disk0s4


    Thanks a lot for ur guide. Im a happy man now


  • by Loner T,

    Loner T Loner T Oct 21, 2015 7:29 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 21, 2015 7:29 AM in response to arthurfyj

    You will need to convert GPT 4 (Untitled) to Free Space and use GParted to extend your Bootcamp. You will also need to repeat the GPT and MBR to ensure they are in sync and Windows will boot.

     

    Please back up OS X and Windows, before you start any further modifications.

  • by arthurfyj,

    arthurfyj arthurfyj Oct 21, 2015 7:33 AM in response to Loner T
    Level 1 (0 points)
    Oct 21, 2015 7:33 AM in response to Loner T

    I'm kinda lost here. Do u mind to give me a guide from A to Z how to do this? I'm kind of not a computer friendly guy. Lolz. Appreciate if u can assist.

  • by Loner T,

    Loner T Loner T Oct 21, 2015 8:57 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 21, 2015 8:57 AM in response to arthurfyj

    1. Erase the Untitled partition as

         diskutil eraseVolume free Untitled disk0s4

    2. Use Gparted to extend Bootcamp

         http://www.howtogeek.com/howto/windows-vista/using-gparted-to-resize-your-window s-vista-partition/

  • by arthurfyj,

    arthurfyj arthurfyj Oct 21, 2015 10:36 AM in response to Loner T
    Level 1 (0 points)
    Oct 21, 2015 10:36 AM in response to Loner T

    Sorry Loner T. After i convert my partition to free space, things back to square one. Window boot was missing. But i redo the same things earlier which u shared. The window boot option is appearing but when chosen to boot window black screen appear again. So shall i redo back the same things i did which u share earlier? Below is the current report. Apologise for the inconvenience caused

     

    Last login: Thu Oct 22 01:27:00 on ttys000

    arthurs-air:~ arthurfung$ diskutil list

    /dev/disk0 (internal, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *121.3 GB   disk0

       1:                        EFI EFI                     209.7 MB   disk0s1

       2:                  Apple_HFS Macintosh HD            100.5 GB   disk0s2

       3:       Microsoft Basic Data BOOTCAMP                20.5 GB    disk0s3

    arthurs-air:~ arthurfung$ diskutil cs list

    No CoreStorage logical volume groups found

    arthurs-air:~ arthurfung$ sudo gpt -vv -r show /dev/disk0

    gpt show: /dev/disk0: mediasize=121332826112; sectorsize=512; blocks=236978176

    gpt show: /dev/disk0: Suspicious MBR at sector 0

    gpt show: /dev/disk0: Malformed MBR at sector 0

    gpt show: /dev/disk0: Pri GPT at sector 1

    gpt show: /dev/disk0: Sec GPT at sector 236978175

          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  196321240      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC

      196730880     262144        

      196993024   39983104      3  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

      236976128       2015        

      236978143         32         Sec GPT table

      236978175          1         Sec GPT header

    arthurs-air:~ arthurfung$ sudo fdisk /dev/disk0

    Disk: /dev/disk0 geometry: 14751/255/63 [236978176 sectors]

    Signature: 0xAA55

             Starting       Ending

    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]

    ------------------------------------------------------------------------

    1: EE 1023 254  63 - 1023 254  63 [         1 -  236978175] <Unknown ID>

    2: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    *3: 07    0   0   0 -    0   0   0 [         0 -          0] HPFS/QNX/AUX

    4: 00    0   0   0 -    0   0   0 [         0 -          0] unused

     

    Last login: Thu Oct 22 01:32:13 on ttys000

    arthurs-air:~ arthurfung$ sudo dd if=/dev/rdisk0s3 count=1 2>/dev/null | hexdump -C

    00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|

    00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 e0 bd 0b  |........?.......|

    00000020  00 00 00 00 80 00 80 00  ff 17 62 02 00 00 00 00  |..........b.....|

    00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|

    00000040  f6 00 00 00 01 00 00 00  0d ac 01 54 b8 01 54 06  |...........T..T.|

    00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|

    00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|

    00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|

    00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|

    00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|

    000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|

    000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|

    000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|

    000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|

    000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|

    000000f0  68 07 bb 16 68 70 0e 16  68 09 00 66 53 66 53 66  |h...hp..h..fSfSf|

    00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|

    00000110  28 10 b9 d8 0f fc f3 aa  e9 5f 01 90 90 66 60 1e  |(........_...f`.|

    00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|

    00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|

    00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|

    00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|

    00000160  0e 16 00 75 bc 07 1f 66  61 c3 a0 f8 01 e8 09 00  |...u...fa.......|

    00000170  a0 fb 01 e8 03 00 f4 eb  fd b4 01 8b f0 ac 3c 00  |..............<.|

    00000180  74 09 b4 0e bb 07 00 cd  10 eb f2 c3 0d 0a 41 20  |t.............A |

    00000190  64 69 73 6b 20 72 65 61  64 20 65 72 72 6f 72 20  |disk read error |

    000001a0  6f 63 63 75 72 72 65 64  00 0d 0a 42 4f 4f 54 4d  |occurred...BOOTM|

    000001b0  47 52 20 69 73 20 6d 69  73 73 69 6e 67 00 0d 0a  |GR is missing...|

    000001c0  42 4f 4f 54 4d 47 52 20  69 73 20 63 6f 6d 70 72  |BOOTMGR is compr|

    000001d0  65 73 73 65 64 00 0d 0a  50 72 65 73 73 20 43 74  |essed...Press Ct|

    000001e0  72 6c 2b 41 6c 74 2b 44  65 6c 20 74 6f 20 72 65  |rl+Alt+Del to re|

    000001f0  73 74 61 72 74 0d 0a 00  8c a9 be d6 00 00 55 aa  |start.........U.|

    00000200

    arthurs-air:~ arthurfung$

  • by Loner T,

    Loner T Loner T Oct 21, 2015 12:06 PM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 21, 2015 12:06 PM in response to arthurfyj

    This was your original layout with five partitions.

    arthurfyj wrote:

     

    Details of my current system:

     

    /dev/disk0 (internal, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *121.3 GB   disk0

       1:                        EFI EFI                     209.7 MB   disk0s1

       2:                  Apple_HFS Macintosh HD            85.0 GB    disk0s2

       3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

       4:                  Apple_HFS Untitled                14.9 GB    disk0s4

       5:       Microsoft Basic Data BOOTCAMP                20.5 GB    disk0s5

     

    ...but you currently have three partitions..

     

    arthurs-air:~ arthurfung$ diskutil list

    /dev/disk0 (internal, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *121.3 GB   disk0

       1:                        EFI EFI                     209.7 MB   disk0s1

       2:                  Apple_HFS Macintosh HD            100.5 GB   disk0s2

       3:       Microsoft Basic Data BOOTCAMP                20.5 GB    disk0s3

     

    Did you accidentally/intentionally delete Recovery HD as well?

  • by arthurfyj,

    arthurfyj arthurfyj Oct 21, 2015 9:50 PM in response to Loner T
    Level 1 (0 points)
    Oct 21, 2015 9:50 PM in response to Loner T

    I guessed accidently. Omg. What should i do now?

  • by Loner T,

    Loner T Loner T Oct 22, 2015 5:24 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 22, 2015 5:24 AM in response to arthurfyj

    Please backup OS X and Windows to external disks. Once the backup is complete, we can look at options. Do you have any have applications installed that you are unable to re-install, if need be.

  • by arthurfyj,

    arthurfyj arthurfyj Oct 22, 2015 7:54 AM in response to Loner T
    Level 1 (0 points)
    Oct 22, 2015 7:54 AM in response to Loner T

    Why it sound so serious than before?  Anyhow Back up is done. Basically my laptop don't have anything. Just the basic things. What have i done to my laptop actually?

     

    Can i still save my window without using my Original Cd?

     

    Actually what i did before this is free up the untitled partition space using the utility disk option.

  • by Loner T,

    Loner T Loner T Oct 22, 2015 8:42 AM in response to arthurfyj
    Level 7 (24,307 points)
    Safari
    Oct 22, 2015 8:42 AM in response to arthurfyj

    The Recovery HD was keeping the Free Space available. Once it was deleted the space from Recovery HD and Free Space, both, got absorbed into Macintosh HD (which is now 100Gb, compared to the original 85 Gb).

     

    1. You should get Recovery HD in place first, by re-installing OSX, which will recreate the Recovery HD without modifying any of your files.

    2. Once you have Recovery HD in place, create a Free Space partition, then we can look at options to extend BC/Windows. Another option is to delete Windows using BC Assistant, re-install OSX, and then create a new BC/Windows with the size you want.

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