Startup Disk unmounted

I couldn't find a problem that matched mine exactly. I'm helping someone out at the office - she as an earlier Mac Pro running Tiger. The computer was having a kernel panic just about every morning at start-up. Today we tried running disk utility from the factory boot disc, but the process crapped out half-way through (trying to rebuild the catalog b-tree, it fails before it finishes).
Afterwards, I tried to re-boot the machine, but it doesn't see the startup disk. If you look in Disk Utility (again after booting from the boot disc), you see the hardware, but the volume 'Macintosh HD' is unmounted and greyed out now. It doesn't show up in the Startup Disk utility, and the installer doesn't even see it as a place to reinstall the OS.
What are my options? Is the HD just gone? I'm going to run out for DiskWarrior now, and any help would be most appreciated.

I believe the disk is dead.
You could alternately boot her Mac from another Mac in Target Disk Mode with firewire cable to verify that her machine is functioning ok.
But most likely the drive is gone.
Have you tried resetting PRAM and then SMC?
SMC:
http://support.apple.com/kb/HT1806
PRAM:
http://support.apple.com/kb/HT1379
Probably will not help but may be worth a shot!

Similar Messages

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  • Losing disk partition after choosing startup disk

    Hi,
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    2013-07-18 15:44:53 +0700: Verifying partition map for “APPLE SSD SM512E Media”
    2013-07-18 15:44:53 +0700: Starting verification tool:
    2013-07-18 15:44:53 +0700: Checking prerequisites
    2013-07-18 15:44:53 +0700: Checking the partition list
    2013-07-18 15:44:53 +0700: Checking for an EFI system partition
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    2013-07-18 15:44:53 +0700:
    2013-07-18 15:44:53 +0700:
    2013-07-18 15:44:55 +0700: Verifying and repairing partition map for “APPLE SSD SM512E Media”
    2013-07-18 15:44:55 +0700: Starting repair tool:
    2013-07-18 15:44:55 +0700: Checking prerequisites
    2013-07-18 15:44:55 +0700: Checking the partition list
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    2013-07-18 15:44:55 +0700: Checking for an EFI system partition
    2013-07-18 15:44:55 +0700: Checking the EFI system partition’s size
    2013-07-18 15:44:55 +0700: Checking the EFI system partition’s file system
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    2013-07-18 15:44:55 +0700: Checking Core Storage Physical Volume partitions
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    2013-07-18 15:44:55 +0700: The partition map appears to be OK
    2013-07-18 15:44:55 +0700:
    2013-07-18 15:44:55 +0700:
    2013-07-18 15:51:33 +0700: Disk Utility started.
    2013-07-18 15:59:19 +0700: Disk Utility started.
    2013-07-18 15:59:36 +0700: Preparing to remove partition from disk: “APPLE SSD SM512E Media”
    2013-07-18 15:59:36 +0700:           Partition Scheme: GUID Partition Table
    2013-07-18 15:59:36 +0700:           1 partition will be removed
    2013-07-18 15:59:36 +0700:           1 partition will not be changed
    2013-07-18 15:59:36 +0700:
    2013-07-18 15:59:36 +0700:           Partition 1
    2013-07-18 15:59:36 +0700:                     Name                    : “Mac”
    2013-07-18 15:59:36 +0700:                     Size                    : 101.93 GB
    2013-07-18 15:59:36 +0700:                     File system          : Mac OS Extended (Journaled)
    2013-07-18 15:59:36 +0700:                     Do not erase contents
    2013-07-18 15:59:36 +0700:
    2013-07-18 15:59:36 +0700:           Partition 2
    2013-07-18 15:59:36 +0700:                     Size                    : 398 GB
    2013-07-18 15:59:36 +0700:                     File system          : Free Space
    2013-07-18 15:59:36 +0700:
    2013-07-18 15:59:36 +0700: Beginning partition operations
    2013-07-18 15:59:36 +0700: Unmounting disk
    2013-07-18 15:59:36 +0700: Finishing partition modifications
    2013-07-18 15:59:36 +0700: Waiting for the disks to reappear
    2013-07-18 15:59:36 +0700: Partition complete.
    2013-07-18 15:59:36 +0700:
    2013-07-18 15:59:42 +0700: Preparing to partition disk: “APPLE SSD SM512E Media”
    2013-07-18 15:59:42 +0700:           Partition Scheme: GUID Partition Table
    2013-07-18 15:59:42 +0700:           1 partition will be created
    2013-07-18 15:59:42 +0700:
    2013-07-18 15:59:42 +0700:           Partition 1
    2013-07-18 15:59:42 +0700:                     Name                    : “Mac”
    2013-07-18 15:59:42 +0700:                     Size                    : 499.93 GB
    2013-07-18 15:59:42 +0700:                     File system          : Mac OS Extended (Journaled)
    2013-07-18 15:59:42 +0700:                     Do not erase contents
    2013-07-18 15:59:42 +0700:
    2013-07-18 15:59:42 +0700: Beginning partition operations
    2013-07-18 15:59:42 +0700: Verifying the disk
    2013-07-18 15:59:42 +0700: Checking file system
    2013-07-18 15:59:42 +0700: Performing live verification.
    2013-07-18 15:59:42 +0700: Checking Journaled HFS Plus volume.
    2013-07-18 15:59:42 +0700: Checking extents overflow file.
    2013-07-18 15:59:42 +0700: Checking catalog file.
    2013-07-18 15:59:53 +0700: Checking multi-linked files.
    2013-07-18 15:59:53 +0700: Checking catalog hierarchy.
    2013-07-18 15:59:53 +0700: Checking extended attributes file.
    2013-07-18 15:59:53 +0700: Checking volume bitmap.
    2013-07-18 15:59:53 +0700: Checking volume information.
    2013-07-18 15:59:53 +0700: The volume Mac appears to be OK.
    2013-07-18 15:59:53 +0700: Unmounting disk
    2013-07-18 15:59:53 +0700: Finishing partition modifications
    2013-07-18 15:59:53 +0700: Waiting for the disks to reappear
    2013-07-18 15:59:53 +0700: Growing disk
    2013-07-18 15:59:54 +0700: Partition complete.
    2013-07-18 15:59:54 +0700:
    2013-07-18 16:36:53 +0700: Disk Utility started.
    2013-07-18 16:37:07 +0700: Preparing to partition disk: “APPLE SSD SM512E Media”
    2013-07-18 16:37:07 +0700:           Partition Scheme: GUID Partition Table
    2013-07-18 16:37:07 +0700:           3 partitions will be created
    2013-07-18 16:37:07 +0700:
    2013-07-18 16:37:07 +0700:           Partition 1
    2013-07-18 16:37:07 +0700:                     Name                    : “Mac”
    2013-07-18 16:37:07 +0700:                     Size                    : 100 GB
    2013-07-18 16:37:07 +0700:                     File system          : Mac OS Extended (Journaled)
    2013-07-18 16:37:07 +0700:                     Do not erase contents
    2013-07-18 16:37:07 +0700:
    2013-07-18 16:37:07 +0700:           Partition 2
    2013-07-18 16:37:07 +0700:                     Name                    : “Mac 2”
    2013-07-18 16:37:07 +0700:                     Size                    : 298.93 GB
    2013-07-18 16:37:07 +0700:                     File system          : Mac OS Extended (Journaled)
    2013-07-18 16:37:07 +0700:
    2013-07-18 16:37:07 +0700:           Partition 3
    2013-07-18 16:37:07 +0700:                     Name                    : “BOOTCAMP”
    2013-07-18 16:37:07 +0700:                     Size                    : 101 GB
    2013-07-18 16:37:07 +0700:                     File system          : Windows NT File System (NTFS)
    2013-07-18 16:37:07 +0700:                     Do not erase contents
    2013-07-18 16:37:07 +0700:
    2013-07-18 16:37:07 +0700: Beginning partition operations
    2013-07-18 16:37:07 +0700: Verifying the disk
    2013-07-18 16:37:07 +0700: Checking file system
    2013-07-18 16:37:07 +0700: Performing live verification.
    2013-07-18 16:37:07 +0700: Checking Journaled HFS Plus volume.
    2013-07-18 16:37:07 +0700: Checking extents overflow file.
    2013-07-18 16:37:18 +0700: Checking catalog file.
    2013-07-18 16:37:19 +0700: Checking multi-linked files.
    2013-07-18 16:37:19 +0700: Checking catalog hierarchy.
    2013-07-18 16:37:19 +0700: Checking extended attributes file.
    2013-07-18 16:37:19 +0700: Checking volume bitmap.
    2013-07-18 16:37:19 +0700: Checking volume information.
    2013-07-18 16:37:19 +0700: The volume Mac appears to be OK.
    2013-07-18 16:37:19 +0700: Shrinking the disk
    2013-07-18 16:37:19 +0700: Unmounting disk
    2013-07-18 16:37:19 +0700: Finishing partition modifications
    2013-07-18 16:37:19 +0700: Waiting for the disks to reappear
    2013-07-18 16:37:20 +0700: Formatting disk0s5 as Mac OS Extended (Journaled) with name Mac 2
    2013-07-18 16:37:21 +0700: Initialized /dev/rdisk0s5 as a 278 GB HFS Plus volume with a 24576k journal
    2013-07-18 16:37:21 +0700: Mounting disk
    2013-07-18 16:37:21 +0700: Partition complete.
    2013-07-18 16:37:21 +0700:
    2013-07-18 16:37:35 +0700: Preparing to erase : “Data”
    2013-07-18 16:37:35 +0700:           Partition Scheme: GUID Partition Table
    2013-07-18 16:37:35 +0700:           1 volume will be erased
    2013-07-18 16:37:35 +0700:                     Name                    : “Data”
    2013-07-18 16:37:35 +0700:                     Size                    : 298.8 GB
    2013-07-18 16:37:35 +0700:                     File system          : ExFAT
    2013-07-18 16:37:35 +0700: Unmounting disk
    2013-07-18 16:37:35 +0700: Erasing
    2013-07-18 16:37:35 +0700: Volume name      : Data
    Partition offset : 195984280 sectors (100343951360 bytes)
    Volume size      : 583593064 sectors (298799648768 bytes)
    Bytes per sector : 512
    Bytes per cluster: 131072
    FAT offset       : 2048 sectors (1048576 bytes)
    # FAT sectors    : 18432
    Number of FATs   : 1
    Cluster offset   : 20480 sectors (10485760 bytes)
    # Clusters       : 2279580
    Volume Serial #  : 51e7b75f
    Bitmap start     : 2
    Bitmap file size : 284948
    Upcase start     : 5
    Upcase file size : 5836
    Root start       : 6
    2013-07-18 16:37:35 +0700: Mounting disk
    2013-07-18 16:37:35 +0700: Erase complete.
    2013-07-18 16:37:35 +0700:
    2013-11-07 13:52:44 +0700: Disk Utility started.
    2013-11-07 14:04:32 +0700:
              Name :           disk0s3
              Type :           Partition
              Disk Identifier :           disk0s3
              Mount Point :           Not mounted
              File System :           MS-DOS (FAT)
              Connection Bus :           SATA
              Device Tree :           IODeviceTree:/PCI0@0/SATA@1F,2/PRT0@0/PMP@0
              Writable :           Yes
              Capacity :           298.8 GB (298,799,648,768 Bytes)
              Owners Enabled :           No
              Can Turn Owners Off :           No
              Can Be Formatted :           Yes
              Bootable :           No
              Supports Journaling :           No
              Journaled :           No
              Disk Number :           0
              Partition Number :           3
    2013-11-07 14:26:36 +0700: Disk Utility started.
    2013-11-07 14:26:47 +0700: Verify and Repair volume “disk0s3”
    2013-11-07 14:26:47 +0700: Starting repair tool:
    2013-11-07 14:26:47 +0700: Checking file system2013-11-07 14:26:47 +0700: ** /dev/disk0s3
    2013-11-07 14:26:47 +0700: Invalid sector size: 0
    2013-11-07 14:26:47 +0700: Volume repair complete.2013-11-07 14:26:47 +0700: Updating boot support partitions for the volume as required.2013-11-07 14:26:47 +0700: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.2013-11-07 14:26:47 +0700:
    2013-11-07 14:26:47 +0700: Disk Utility stopped repairing “disk0s3”: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
    2013-11-07 14:26:47 +0700:
    2013-11-07 14:27:21 +0700: Verifying volume “disk0s3”
    2013-11-07 14:27:21 +0700: Starting verification tool:
    2013-11-07 14:27:21 +0700: Checking file system2013-11-07 14:27:21 +0700: ** /dev/disk0s3
    2013-11-07 14:27:21 +0700: Invalid sector size: 0
    2013-11-07 14:27:21 +0700: Error: This disk needs to be repaired. Click Repair Disk.2013-11-07 14:27:21 +0700:
    2013-11-07 14:27:21 +0700: Disk Utility stopped verifying “disk0s3”: This disk needs to be repaired. Click Repair Disk.
    2013-11-07 14:27:21 +0700:
    2013-11-07 14:27:30 +0700: Verify and Repair volume “disk0s3”
    2013-11-07 14:27:30 +0700: Starting repair tool:
    2013-11-07 14:27:30 +0700: Checking file system2013-11-07 14:27:30 +0700: ** /dev/disk0s3
    2013-11-07 14:27:30 +0700: Invalid sector size: 0
    2013-11-07 14:27:30 +0700: Volume repair complete.2013-11-07 14:27:30 +0700: Updating boot support partitions for the volume as required.2013-11-07 14:27:30 +0700: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.2013-11-07 14:27:30 +0700:
    2013-11-07 14:27:30 +0700: Disk Utility stopped repairing “disk0s3”: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
    2013-11-07 14:27:30 +0700:
    2013-11-07 14:32:17 +0700:
              Name :           APPLE SSD SM512E Media
              Type :           Disk
              Partition Map Scheme :           GUID Partition Table
              Disk Identifier :           disk0
              Media Name :           APPLE SSD SM512E Media
              Media Type :           Generic
              Connection Bus :           SATA
              Device Tree :           IODeviceTree:/PCI0@0/SATA@1F,2/PRT0@0/PMP@0
              Writable :           Yes
              Ejectable :           No
              Location :           Internal
              Solid State Disk :           Yes
              Total Capacity :           500.28 GB (500,277,790,720 Bytes)
              Disk Number :           0
              Partition Number :           0
              S.M.A.R.T. Status :           Verified
              Raw Read Error :           000000000000
              Reallocated Sector Count :           000000000000
              Power On Hours :           0000000003B2
              Power Cycle :           000000000DD0
              Temperature :           004F00040027
              UDMA CRC Error (PATA only) :           000000000000
    2013-11-07 14:39:58 +0700:
              Name :           disk0s3
              Type :           Partition
              Disk Identifier :           disk0s3
              Mount Point :           Not mounted
              File System :           MS-DOS (FAT)
              Connection Bus :           SATA
              Device Tree :           IODeviceTree:/PCI0@0/SATA@1F,2/PRT0@0/PMP@0
              Writable :           Yes
              Capacity :           298.8 GB (298,799,648,768 Bytes)
              Owners Enabled :           No
              Can Turn Owners Off :           No
              Can Be Formatted :           Yes
              Bootable :           No
              Supports Journaling :           No
              Journaled :           No
              Disk Number :           0
              Partition Number :           3
    2013-11-07 14:43:11 +0700: Disk Utility started.
    Thanks for help

    You CAN'T have 3 partitions on your Mac and have the Windows install work. Windows only allows 4 Primary partitions on any one physical hard drive. Since you created a exFAT partition you have past that Windows limit.
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    Disk Utility wasn't designed or tested to know enough to repair NTFS, even with NTFS-3g and MacFuse, but you might want to track down the web page and feedback.
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    thx.

    I have exactly the same problem (well, maybe).
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    Disk: /dev/disk0s3 geometry: 10651/255/63 [171117408 sectors]
    Signature: 0xAA55
    Starting Ending
    #: id cyl hd sec - cyl hd sec [ start - size]
    1: 72 368 111 45 - 371 101 51 [ 218129509 - 1701990410] <Unknown ID>
    2: 74 67 115 32 - 299 114 44 [ 729050177 - 543974724] <Unknown ID>
    3: 65 114 111 32 - 353 115 52 [ 168653938 - 0] Netware 3.xx
    4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
    Jacbook:dev jacteh$ sudo fdisk /dev/disk1s1
    Disk: /dev/disk1s1 geometry: 0/4/63 [63 sectors]
    Signature: 0x0
    Starting Ending
    #: id cyl hd sec - cyl hd sec [ start - size]
    1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
    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
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    I am dying for an answer. It's a fairly minor problem in the grand scheme of things, but **** it's frustrating.
    Message was edited by: jacteh

  • How do I get more space on my startup disk

    How do I get more space on my startup disk?

    Freeing Up Space on The Hard Drive
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      6. See The Storage Display.
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  • Delete files from startup disk?

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  • Unable to delete files from my startup disk; can move to trash and delete them there, but cannot delete from startup disk?

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    A warm welcome to the Discussions!
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    courtesy of the following site:
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