Cannot reboot Bootcamp after partition mod 10.9.4

Question

https://discussions.apple.com/thread/4144252I saw that people are linking back to this thread her is my summary of information.  Running 10.9.4 with windows 7Hi I get a similar problem after canning the partition map (and then removing the extra disk I created)I now have 4 partitions. Windows disk is good I can open it using finder and all data is there but it won&#x27;t boot up using bootcamp./dev/disk0   #:                       TYPE NAME                    SIZE       IDENTIFIER   0:      GUID_partition_scheme                        *500.1 GB   disk0   1:                        EFI EFI                     209.7 MB   disk0s1   2:                  Apple_HFS Macintosh HD            277.7 GB   disk0s2   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3   4:       Microsoft Basic Data BOOTCAMP                130.0 GB   disk0s4    &lt;&#x3D;&#x3D;&#x3D;&#x3D;&#x3D; I can see the data from mac osx is still there and ok.When I try and re-boot to bootcamp it gives me the "No bootable device --- insert boot disk and press any key" messageusingsudo gpt -r -vv show disk0Password:gpt show: disk0: mediasize&#x3D;500107862016; sectorsize&#x3D;512; blocks&#x3D;976773168gpt show: disk0: Suspicious MBR at sector 0     &lt;&#x3D;&#x3D;&#x3D;&#x3D;&#x3D;  This looks weirdgpt show: disk0: Pri GPT at sector 1gpt show: disk0: 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  542286536      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC  542696176    1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC  543965712  178902512          722868224  253904896      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7  976773120         15          976773135         32         Sec GPT table  976773167          1         Sec GPT headerI tried using gdisk and creating a hybrid MBR and marked them as bootable.I get this message when running GDISKWarning: Devices opened with shared lock will not have theirpartition table automatically reloaded!Partition table scan:  MBR: hybrid  BSD: not present  APM: not present  GPT: presentFound valid GPT with hybrid MBR; using GPT.using p i getNumber  Start (sector)    End (sector)  Size       Code  Name   1              40          409639   200.0 MiB   EF00  EFI system partition   2          409640       542696175   258.6 GiB   AF00  Customer   3       542696176       543965711   619.9 MiB   AB00  Recovery HD   4       722868224       976773119   121.1 GiB   0700  BOOTCAMPHelp ??  what Do i need to do to get it to boot into windows.

Mark Bateman1 · Answer

sudo fdisk /dev/disk0Password:Disk: /dev/disk0 geometry: 60801/255/63 [976773168 sectors]Signature: 0xAA55         Starting       Ending #: id  cyl  hd sec -  cyl  hd sec [     start -       size]------------------------------------------------------------------------ 1: EE    0   0   2 -    0   0  40 [         1 -         39] &lt;Unknown ID&gt;*2: EF    0   0  41 -   25 127  14 [        40 -     409600] &lt;Unknown ID&gt;*3: AF   25 127  15 - 1023 254  63 [    409640 -  542286536] HFS+        *4: AB 1023 254  63 - 1023 254  63 [ 542696176 -    1269536] Darwin Boot

Loner T · Answer

I will defer to Christopher on the recommendations, but on a working system, it is setup as follows. (Please ignore the Bootcamp volume name because of my experimentation). As Christopher has suggested, you will need Windows recovery after correcting the Hybrid MBR. diskutil list/dev/disk0   #:                       TYPE NAME                    SIZE       IDENTIFIER   0:      GUID_partition_scheme                        *1.0 TB     disk0   1:                        EFI EFI                     209.7 MB   disk0s1   2:                  Apple_HFS Macintosh HD            743.7 GB   disk0s2   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3   4:       Microsoft Basic Data rMBPBCMP                256.0 GB   disk0s4sudo fdisk /dev/disk0Password:Disk: /dev/disk0 geometry: 121643/255/63 [1954210120 sectors]Signature: 0xAA55         Starting       Ending #: id  cyl  hd sec -  cyl  hd sec [     start -       size]------------------------------------------------------------------------ 1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] &lt;Unknown ID&gt; 2: AF 1023 254  63 - 1023 254  63 [    409640 - 1452530904] HFS+         3: AB 1023 254  63 - 1023 254  63 [1452940544 -    1269536] Darwin Boot *4: 07 1023 254  63 - 1023 254  63 [1454211072 -  499998720] HPFS/QNX/AUX

Christopher Murphy · Answer

OK, no problem. So what you need to do is go back and recreate the hybrid MBR, and only add partitions 2, 3, 4 to the hybrid MBR. Like this;Type from one to three GPT partition numbers, separated by spaces, to beadded to the hybrid MBR, in sequence: 2 3 4and you need to answer yes to this question:Place EFI GPT (0xEE) partition first in MBR (good for GRUB)? (Y/N): YAnd you need to accept (just press return) for any question about MBR hex code, it will accept the default. And say no to making partitions 2 and 3 bootable, say yes to making 4 bootable.

Mark Bateman1 · Answer

I did exactly as you said.It booted but wouldn&#x27;t start correctly so i then did a safe mode startup and ran chkdsk /f in a dos prompt.  It asked me to schedule NTFS check at next start i said yes and then restarted.  It did a chkdsk and started back perfectly after that.  Thanks for the help the original post is invaluable.