Previous 1 2 3 Next 38 Replies Latest reply: Oct 19, 2014 10:11 PM by iPodtouch245
autnagrag Level 1 Level 1 (45 points)

Christopher Murphy suggested I post this as a new thread, so I am doing that.

Hi. I upgraded to Mavericks, and it broke my BootCamp. I have been using FileVault2 and Mtn. Lion before the upgrade. I can see my Windows partition, and I can select it from Startup Manager, but I can't boot into it. Similarly, I can choose it in System Preferences>Startup Disk, but booting to it does not succeed.

 

user$ 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                         255.1 GB   disk0s2

   3:                 Apple_Boot RecoverySSD             784.2 MB   disk0s3

/dev/disk1

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *500.1 GB   disk1

   1:                        EFI EFI                     209.7 MB   disk1s1

   2:          Apple_CoreStorage                         471.1 GB   disk1s2

   3:                 Apple_Boot RecoveryHDTM            784.2 MB   disk1s3

   4:       Microsoft Basic Data POCTOBAM                28.0 GB    disk1s4

/dev/disk2

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Contin092              *254.7 GB   disk2

/dev/disk3

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *250.1 GB   disk3

   1:                        EFI EFI                     209.7 MB   disk3s1

   2:                  Apple_HFS ML10851                 124.6 GB   disk3s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk3s3

   4:                  Apple_HFS Blankdale               123.8 GB   disk3s4

/dev/disk4

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *2.0 TB     disk4

   1:                        EFI EFI                     209.7 MB   disk4s1

   2:                  Apple_HFS ItahichU                1.3 TB     disk4s2

   3:                  Apple_HFS Thyme                   666.2 GB   disk4s3

/dev/disk5

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Trefoil_Metdale92      *470.8 GB   disk5

 

 

 

 


user$ sudo fdisk /dev/disk1

Password:

Disk: /dev/disk1          geometry: 60801/255/63 [976773168 sectors]

Signature: 0xAA55

         Starting       Ending

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

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

1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] <Unknown ID>

2: AC 1023 254  63 - 1023 254  63 [    409640 -  920144304] <Unknown ID>

3: AB 1023 254  63 - 1023 254  63 [ 920553944 -    1531680] Darwin Boot

*4: 07 1023 254  63 - 1023 254  63 [ 922087424 -   54685696] HPFS/QNX/AUX

 



user$ sudo gpt -r -vv show disk1

gpt show: disk1: mediasize=500107862016; sectorsize=512; blocks=976773168

gpt show: disk1: Suspicious MBR at sector 0

gpt show: disk1: Pri GPT at sector 1

gpt show: disk1: Sec GPT at sector 976773167

      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  920144304      2  GPT part - 53746F72-6167-11AA-AA11-00306543ECAC

  920553944    1531680      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC

  922085624       1800      

  922087424   54685696      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

  976773120         15      

  976773135         32         Sec GPT table

  976773167          1         Sec GPT header

 

Is there anything else I should post?

 

 

 


MacBook Pro, OS X Mavericks (10.9), the MBP is 9,2 -- also Mac Pro 3,1
  • autnagrag Level 1 Level 1 (45 points)

    Reply to Loner T:

     

    You have Bootcamp on a drive which is part of a Fusion Drive. Is this an Apple-supported or DIY Fusion drive?

    My BootCamp is _NOT_ part of a Fusion Drive. My MBP has zero optical drives, one SSD, and one HD. BootCamp is on the HD. I usually boot from the SSD. I do not recall if I imposed FileVault2 on the drive where the 28GB BootCamp Win7-32bit installation resides before or after my last successful boot into Windows via BootCamp.

     

    Mavericks has a newer version of Bootcamp (5.1).

    Yes, and in order to install the new drivers, I need to be able to boot successfully into Windows. That is the thing that I can't do.

     

    If the 28GB partition can be seen as bootable in System Preferences, do you see a blinking cursor in top left corner and does it just sit there after you select it and the Mac reboots?

    When I choose the 28GB partition from Startup Manager, it does nothing after I hit ENTER. If I am booted into Mavericks and use Startup Disk in System Preferences to choose the 28GB partition, it does reboot to a black screen with a white blinking underscore character top left.

     

    http://support.apple.com/kb/HT5446 and http://support.apple.com/kb/HT5828 may be worth looking at.

    Those articles would perhaps help me if I had a fusion drive. I do not have a fusion drive. I have two drives that are related only in the sense that they are in the same MacBook Pro.

     

    What version of ML did you upgrade from, to Mavericks?

    I upgraded from 10.8.5 build 12F45 (they should have called it 10.8.5-S, or 10.8.5.1 – including the so-called supplemental update.

  • autnagrag Level 1 Level 1 (45 points)

    I removed FileVault2 (decrypted) and rebooted. It still won't boot into Windows, via Startup Manager, or via System Preferences > Startup Disk.

     

    Here is some not-very-different looking Terminal output after the decryption. I post it not because I know what I'm doing, but because such info helped me get help before.

     

    user$ 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                         255.1 GB   disk0s2

       3:                 Apple_Boot RecoverySSD             784.2 MB   disk0s3

    /dev/disk1

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *500.1 GB   disk1

       1:                        EFI EFI                     209.7 MB   disk1s1

       2:                  Apple_HFS Trefoil_Metdale92       471.1 GB   disk1s2

       3:                 Apple_Boot RecoveryHDTM            784.2 MB   disk1s3

       4:       Microsoft Basic Data POCTOBAM                28.0 GB    disk1s4

    /dev/disk2

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:                  Apple_HFS Contin092              *254.7 GB   disk2

    user$ sudo fdisk /dev/disk1

    Password:

    Disk: /dev/disk1          geometry: 60801/255/63 [976773168 sectors]

    Signature: 0xAA55

             Starting       Ending

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

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

    1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] <Unknown ID>

    2: AF 1023 254  63 - 1023 254  63 [    409640 -  920144304] HFS+       

    3: AB 1023 254  63 - 1023 254  63 [ 920553944 -    1531680] Darwin Boot

    *4: 07 1023 254  63 - 1023 254  63 [ 922087424 -   54685696] HPFS/QNX/AUX

    Figaro92:~ ruser$ sudo gpt -r -vv show disk1

    gpt show: disk1: mediasize=500107862016; sectorsize=512; blocks=976773168

    gpt show: disk1: Suspicious MBR at sector 0

    gpt show: disk1: Pri GPT at sector 1

    gpt show: disk1: Sec GPT at sector 976773167

          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  920144304      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC

      920553944    1531680      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC

      922085624       1800        

      922087424   54685696      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

      976773120         15        

      976773135         32         Sec GPT table

      976773167          1         Sec GPT header

    user$ diskutil cs list

    CoreStorage logical volume groups (1 found)

    |

    +-- Logical Volume Group 22240EB7-B0B5-4360-B152-B6260DFF7F4D

        =========================================================

        Name:         Contin092

        Status:       Online

        Size:         255066537984 B (255.1 GB)

        Free Space:   16777216 B (16.8 MB)

        |

        +-< Physical Volume C29AF948-E979-4E5B-B74B-BBD678C3BC99

        |   ----------------------------------------------------

        |   Index:    0

        |   Disk:     disk0s2

        |   Status:   Online

        |   Size:     255066537984 B (255.1 GB)

        |

        +-> Logical Volume Family 7BE6A380-1430-4EF6-BABE-E8F157EF304D

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

            Encryption Status:       Unlocked

            Encryption Type:         AES-XTS

            Conversion Status:       Complete

            Conversion Direction:    -none-

            Has Encrypted Extents:   Yes

            Fully Secure:            Yes

            Passphrase Required:     Yes

            |

            +-> Logical Volume 1D815811-7589-464A-8FBF-B3BF84F66E6B

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

                Disk:                  disk2

                Status:                Online

                Size (Total):          254730989568 B (254.7 GB)

                Conversion Progress:   -none-

                Revertible:            Yes (unlock and decryption required)

                LV Name:               Contin092

                Volume Name:           Contin092

                Content Hint:          Apple_HFS

    user$

  • Christopher Murphy Level 3 Level 3 (555 points)

    OK it's sort of annoying when asking for information and it's not given, and then you go and do something major that wasn't suggested. In the other thread, I asked you to be specific about what does happen when you try to boot Windows, yet you haven't been specific. And no one asked that you disable FileVault 2. Making major changes like that puts your data at risk.

  • autnagrag Level 1 Level 1 (45 points)

    OK but did you create a new partition right before the failure to boot Windows?

     

    No, not as far as I know. Does what the diskutil coreStorage commands do behind the scenes when FileVault2 is invoked constitute "creating a new partition?" If so, then, since I did put FileVault2 in place, perhaps I did.

     

    also be really clear what exactly was done in between Windows working and not working, and also when you say "doesn't succeed" state what does happen, i.e. exactly how does it fail.

    As I mentioned in my reply to Loner T, I was not sure of the time relationship between encrypting using FileVault2 and the failure of Windows to boot. It is possible that my Windows partition was unbootable before I upgraded to Mavericks. I use Time Machine for iterative backups of the other drive, but not this one. I usually back it up with Carbon Copy Cloner & Winclone. I know I would not back up an unbootable Windows installation.

     

    I _very much_ do not wish to annoy you, and I am grateful for any help I receive.


    Before FileVault2, my 28GB Windows partition was at disk1s5, but after FileVault2 it looks like it's at disk1s4, before and after I removed FileVault2.

     

    If my answer to Loner T is not specific enough about exactly how does it fail, then what sort of details do you seek? I'll just copy my answer here:

     

    When I choose the 28GB partition from Startup Manager, it does nothing after I hit ENTER. If I am booted into Mavericks and use Startup Disk in System Preferences to choose the 28GB partition, it does reboot to a black screen with a white blinking underscore character top left.

     

     

    Thanks again. I'll try not to be a rat in a coffee can.


  • Number88 Level 3 Level 3 (750 points)

    I don't know whether this will help you or just confuse matters but I don't think 32 bit Windows is supported in the latest Boot Camp. It may explain your problems or it may just muddy the waters some more.

  • Loner T Level 6 Level 6 (9,725 points)

    WinClone may be your saving grace.

     

    My CS volume is a DIY Fusion and I do not use FV2. Interesting to see the FV2/CoreStorage links. Need some catching up to do. The blinking cursos in top left indicates control is in the CSM-BIOS/Windows layer already.

     

    Did you have any sharing set up between Windows and OS X, with/without third-party NTFS drivers (like Paragon/Tuxera, etc.)?

  • autnagrag Level 1 Level 1 (45 points)

    Well, I am not sure of your source of information, but on my mac pro, I also upgraded to Mavericks, and I am _certain_ that my Boot Camp installation on that machine is Windows 7 32 bit. I can boot into it easily and I just finished exhaustively upgrading it.

     

    Still, thanks, and I appreciate your contribution.

  • Number88 Level 3 Level 3 (750 points)

    From half way down this page

     

    http://support.apple.com/kb/HT5639

     

    but maybe that's only in respect of installing Windows, not running a previously installed version.

  • Christopher Murphy Level 3 Level 3 (555 points)

    From the GPT:

    922087424   54685696      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7

    From the MBR:

    *4: 07 1023 254  63 - 1023 254  63 [ 922087424 -   54685696] HPFS/QNX/AUX

     

    These are the same start and end sector values. The type codes are correct. The active bit is set. So partitioning wise there isn't anything I can see that's wrong.

     

    What do you get for the following read-only command. I suggest to copy/paste it into Terminal to make sure it's done correctly.

     

    sudo dd if=/dev/disk1s4 count=2 2>/dev/null | hexdump -C

  • autnagrag Level 1 Level 1 (45 points)

    Thank you. I did copy it. I did paste it.

     

    user$ sudo dd if=/dev/disk1s4 count=2 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 f0 f5 36  |........?......6|

    00000020  00 00 00 00 80 00 80 00  f8 6f 42 03 00 00 00 00  |.........oB.....|

    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  ea 89 06 30 a9 06 30 5c  |...........0..0\|

    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  07 00 42 00 4f 00 4f 00  54 00 4d 00 47 00 52 00  |..B.O.O.T.M.G.R.|

    00000210  04 00 24 00 49 00 33 00  30 00 00 d4 00 00 00 24  |..$.I.3.0......$|

    00000220  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

    *

    00000250  00 00 00 00 00 00 eb 22  90 90 05 00 4e 00 54 00  |......."....N.T.|

    00000260  4c 00 44 00 52 00 00 00  00 00 00 00 00 00 00 00  |L.D.R...........|

    00000270  00 00 00 00 00 00 00 00  00 00 66 0f b7 06 0b 00  |..........f.....|

    00000280  66 0f b6 1e 0d 00 66 f7  e3 66 a3 52 02 66 8b 0e  |f.....f..f.R.f..|

    00000290  40 00 80 f9 00 0f 8f 0e  00 f6 d9 66 b8 01 00 00  |@..........f....|

    000002a0  00 66 d3 e0 eb 08 90 66  a1 52 02 66 f7 e1 66 a3  |.f.....f.R.f..f.|

    000002b0  66 02 66 0f b7 1e 0b 00  66 33 d2 66 f7 f3 66 a3  |f.f.....f3.f..f.|

    000002c0  56 02 e8 95 04 66 8b 0e  4e 02 66 89 0e 26 02 66  |V....f..N.f..&.f|

    000002d0  03 0e 66 02 66 89 0e 2a  02 66 03 0e 66 02 66 89  |..f.f..*.f..f.f.|

    000002e0  0e 2e 02 66 03 0e 66 02  66 89 0e 3e 02 66 03 0e  |...f..f.f..>.f..|

    000002f0  66 02 66 89 0e 46 02 66  b8 90 00 00 00 66 8b 0e  |f.f..F.f.....f..|

    00000300  26 02 e8 83 09 66 0b c0  0f 84 5e fe 66 a3 32 02  |&....f....^.f.2.|

    00000310  66 b8 a0 00 00 00 66 8b  0e 2a 02 e8 6a 09 66 a3  |f.....f..*..j.f.|

    00000320  36 02 66 b8 b0 00 00 00  66 8b 0e 2e 02 e8 58 09  |6.f.....f.....X.|

    00000330  66 a3 3a 02 66 a1 32 02  66 0b c0 0f 84 2b fe 67  |f.:.f.2.f....+.g|

    00000340  80 78 08 00 0f 85 22 fe  67 66 8d 50 10 67 03 42  |.x....".gf.P.g.B|

    00000350  04 67 66 0f b6 48 0c 66  89 0e 72 02 67 66 8b 48  |.gf..H.f..r.gf.H|

    00000360  08 66 89 0e 6e 02 66 a1  6e 02 66 0f b7 0e 0b 00  |.f..n.f.n.f.....|

    00000370  66 33 d2 66 f7 f1 66 a3  76 02 66 a1 46 02 66 03  |f3.f..f.v.f.F.f.|

    00000380  06 6e 02 66 a3 4a 02 66  83 3e 36 02 00 0f 84 1d  |.n.f.J.f.>6.....|

    00000390  00 66 83 3e 3a 02 00 0f  84 cf fd 66 8b 1e 3a 02  |.f.>:......f..:.|

    000003a0  1e 07 66 8b 3e 4a 02 66  a1 2e 02 e8 e0 01 66 0f  |..f.>J.f......f.|

    000003b0  b7 0e 00 02 66 b8 02 02  00 00 e8 22 08 66 0b c0  |....f......".f..|

    000003c0  0f 85 16 00 66 0f b7 0e  5a 02 66 b8 5c 02 00 00  |....f...Z.f.\...|

    000003d0  e8 0c 08 66 0b c0 0f 84  42 0c 67 66 8b 00 1e 07  |...f....B.gf....|

    000003e0  66 8b 3e 3e 02 e8 3f 06  66 a1 3e 02 66 bb 20 00  |f.>>..?.f.>.f. .|

    000003f0  00 00 66 b9 00 00 00 00  66 ba 00 00 00 00 e8 e4  |..f.....f.......|

    00000400

  • Christopher Murphy Level 3 Level 3 (555 points)

    Off topic but "Boot Camp" is a few things all wrapped up into one term. One of the things it is, are the Windows drivers, and for sure the new drivers are 64-bit only, but there isn't a firmware or software update that would break an existing Windows installation. In fact, it's generally possible to reinstall Windows 7 32-bit, or even XP by working around the Boot Camp Assistant to first resize the OS X volume, and then boot from DVD media. I'm uncertain how BCA creates USB bootable Windows media for Macs, I haven't looked into it. There are some cases where the older versions of Windows on new hardware don't have the necessary video drivers, but there should be a way to force Windows to boot in basic video / VGA mode to at least get it installed, and then download and install the older Boot Camp drivers that go with the older version of Windows.

     

    Anyway, that's not the problem in this case. I think either the boot code in the MBR/LBA 0 has been goosed, or possibly the first stage boot loader. Either of these should be repairable with Windows startup repair from the DVD installer.

  • autnagrag Level 1 Level 1 (45 points)

    Well, my Mac Pro 3,1 is a 5+ year old machine, and has no hardware that the Boot Camp 5 drivers (for Mavericks) would address. Perhaps that is why it works. I have not installed any Boot Camp upgrades on that machine at all, but it works – it boots to Windows 7 32bit, if I ask it to do so.

     

    However, the MBP was built in early January of 2013. Perhaps therein lies the rub.

     

    I am _not_ sure I have booted this particular hardware into Windows 7 ever, even though in February, 2013, I moved the drive (spinning platters, not fusion) from its old home in my old MBP, now that of another household member.

     

    Maybe my Winclone backup is beside the point.

     

    Is there a log I can address with Console.app that will tell me what my "boot behavior" has been since Feb. 3, 2013?

     

    Wow, do problems ever change their apparent shape when one has to answer questions. You guys are great.


  • Christopher Murphy Level 3 Level 3 (555 points)

    OK that's relatively good news I think. I see the NTFS header and evidence of the first stage bootloader. I can't tell if it's been broken though casually it seems intact. I would boot from the Windows install DVD and run Windows Startup Repair. That might take a while but it's easy and safe. The alternative is to read this convoluted web page on bootrec.exe.

     

    When getting nothing at all, not even an error message, that sounds like missing code in the MBR so what you need to do is get to the command prompt as mentions under "More Information" and then type:

     

    bootrec /FixMbr

     

    You could also do this next command while you're at it, although I prefer doing things one at a time and seeing if each step makes a difference or not. If FixMbr doesn't work by itself, you'll come back to this command prompt and type this (i.e. you don't need to do /FixMbr again).

     

    bootrec /FixBoot

  • autnagrag Level 1 Level 1 (45 points)

    I have an install .iso for Win 7 32 bit, and, perhaps, a "System Recovery CDR or DVDR" or something similar.

     

    Should I try to use asr to make a bootable USB (or in Windovs land is that a fool's errand?) or should I try to burn it to a CDR or DVDR?

     

    The MBP has 3 or 4 attached optical drives, despite its lack of an internal optical drive.

     

    Thanks for your help. My forward progress is arrested pending formation of a sound plan.

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