Ran into something I have not encountered before... When I choose my Windows partition in the start disk preferences and reboot, I get a no bootable device error. If I hold down the option key at boot I don't see that partition show up, but I do have an entry for EFI Boot. If I choose that Windows boots...
I have had Windows 7 and Window 10 tech preview builds working before without this issue. Today I formatted my drive that Windows is on and performed a clean install of the latest build (just like I always had)... I always leave the drive as unpartitioned space and don't manually format it (I let Windows create the partitions)...
Think this could just be a bug in the current build 10162?
I have had Windows 7 and Window 10 tech preview builds working before without this issue. Today I formatted my drive that Windows is on and performed a clean install of the latest build (just like I always had)... I always leave the drive as unpartitioned space and don't manually format it (I let Windows create the partitions)...
Think this could just be a bug in the current build 10162?
Code:
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *2.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_RAID 2.0 TB disk0s2
3: Apple_Boot Boot OS X 134.2 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 Macintosh HD 499.2 GB disk1s2
3: Apple_Boot Recovery HD 650.0 MB disk1s3
/dev/disk2
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk2
1: DE94BBA4-06D1-4D40-A16A-BFD50179D6AC 471.9 MB disk2s1
2: EFI NO NAME 104.9 MB disk2s2
3: Microsoft Reserved 16.8 MB disk2s3
4: Microsoft Basic Data BootCamp 499.5 GB disk2s4
/dev/disk3
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *2.0 TB disk3
1: EFI EFI 209.7 MB disk3s1
2: Apple_RAID 2.0 TB disk3s2
3: Apple_Boot Boot OS X 134.2 MB disk3s3
/dev/disk4
#: TYPE NAME SIZE IDENTIFIER
0: Apple_CoreStorage *4.0 TB disk4
/dev/disk5
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Backups *4.0 TB disk5
Logical Volume on disk4
98DA75AD-E5A0-4B4C-9D32-7D06AFEAD4B4
Unencrypted
/dev/disk6
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *4.0 TB disk6
1: EFI EFI 209.7 MB disk6s1
2: Apple_HFS Media 4.0 TB disk6s2
sudo gpt -vv -r show /dev/disk2
gpt show: /dev/disk2: mediasize=500107862016; sectorsize=512; blocks=976773168
gpt show: /dev/disk2: PMBR at sector 0
gpt show: /dev/disk2: Pri GPT at sector 1
gpt show: /dev/disk2: Sec GPT at sector 976773167
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 2014
2048 921600 1 GPT part - DE94BBA4-06D1-4D40-A16A-BFD50179D6AC
923648 204800 2 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
1128448 32768 3 GPT part - E3C9E316-0B5C-4DB8-817D-F92DF00215AE
1161216 975611904 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
976773120 15
976773135 32 Sec GPT table
976773167 1 Sec GPT header
sudo fdisk /dev/disk2
Disk: /dev/disk2 geometry: 60801/255/63 [976773168 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 0 0 2 - 1023 255 63 [ 1 - 4294967295] <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: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
Last edited: