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Bootcamp partition won't boot

Hi, after installing High Sierra, seems that my Windows partition wont boot again. Your help would be much appreciated again. Outputs as before:


CMJMac:~ alanjohnstone$ diskutil list

/dev/disk0 (internal, physical):

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *500.1 GB
disk0

1: EFI EFI 209.7 MB
disk0s1

2: Apple_APFS Container disk1 250.7 GB
disk0s2

3: Microsoft Basic Data SHARED 148.1 GB
disk0s3

4: Microsoft Basic Data BOOTCAMP 101.0 GB
disk0s4


/dev/disk1 (synthesized):

#: TYPE NAME SIZE IDENTIFIER

0: APFS Container Scheme - +250.7 GB
disk1

Physical Store disk0s2

1: APFS Volume Macintosh HD 181.4 GB
disk1s1

2: APFS Volume Preboot 18.3 MB disk1s2

3: APFS Volume Recovery 507.2 MB
disk1s3

4: APFS Volume VM 3.2 GB disk1s4


CMJMac:~ alanjohnstone$ diskutil cs list

No CoreStorage logical volume groups found

CMJMac:~ alanjohnstone$

CMJMac:~ alanjohnstone$ sudo gpt -vv -r show /dev/disk0

gpt show: /dev/disk0: mediasize=500107862016; sectorsize=512; blocks=976773168

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

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

gpt show: /dev/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
489654544 2
GPT part - 7C3457EF-0000-11AA-AA11-00306543ECAC


490064184
289181384 3
GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7


779245568 262144


779507712
197265408 4
GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7


976773120 15


976773135 32 Sec GPT table


976773167 1 Sec GPT header

CMJMac:~ alanjohnstone$ sudo fdisk /dev/disk0

Disk: /dev/disk0 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: FF 1023 254
63 - 1023 254
63 [ 409640 -
489654544] Xenix BBT

3: 0C 1023 254
63 - 1023 254
63 [ 490064184 -
289181384] Win95 FAT32L

4: 0C 1023 254
63 - 1023 254
63 [ 779507712 -
197265408] Win95 FAT32L

CMJMac:~ alanjohnstone$

MacBook, macOS High Sierra (10.13.3), (13-inch, Mid 2010)

Posted on Mar 18, 2018 5:57 AM

Reply
Question marked as Best reply

Posted on Mar 18, 2018 8:39 AM

Seems there is problem:


CMJMac:~ alanjohnstone$ sudo fdisk -e /dev/disk0

Password:

fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory

Enter 'help' for information

fdisk: 1>



















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7 replies

Mar 18, 2018 8:08 AM in response to Loner T

Hi, its a 3-inch, Mid 2010 (a white one). I think the partitions were all created prior to to the Win install. You did help me fix this last time: Re: Bootcamp Boot Repair Partition to be fixed

CMJMac:~ alanjohnstone$ sudo dd if=/dev/rdisk0s4 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 58 76 2e
|........?....Xv.|

00000020
00 00 00 00 80 00 80 00
80 16 b3 0b 00 00 00 00
|................|

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
0b f6 70 1c 3d 71 1c 7a
|..........p.=q.z|

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 52 11 16
68 09 00 66 53 66 53 66
|h...hR..h..fSfSf|

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

00000110
0a 13 b9 f6 0c fc f3 aa
e9 fe 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 a1 f6 01 e8 09 00
|...u...fa.......|

00000170
a1 fa 01 e8 03 00 f4 eb
fd 8b f0 ac 3c 00 74 09
|............<.t.|

00000180
b4 0e bb 07 00 cd 10 eb
f2 c3 0d 0a 41 20 64 69
|............A di|

00000190
73 6b 20 72 65 61 64 20
65 72 72 6f 72 20 6f 63
|sk read error oc|

000001a0
63 75 72 72 65 64 00 0d
0a 42 4f 4f 54 4d 47 52
|curred...BOOTMGR|

000001b0
20 69 73 20 63 6f 6d 70
72 65 73 73 65 64 00 0d
| is compressed..|

000001c0
0a 50 72 65 73 73 20 43
74 72 6c 2b 41 6c 74 2b
|.Press Ctrl+Alt+|

000001d0
44 65 6c 20 74 6f 20 72
65 73 74 61 72 74 0d 0a
|Del to restart..|

000001e0
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
|................|

000001f0
00 00 00 00 00 00 8a 01
a7 01 bf 01 00 00 55 aa
|..............U.|

00000200

CMJMac:~ alanjohnstone$

Bootcamp partition won't boot

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