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Windows 7: Win7 on SCSI HD disappeared

31 Oct 2013   #1
wotg

windows 7 Prof
 
 
Win7 on SCSI HD disappeared

Yesterday, my Win7 installed on a SCSI drive failed to boot up. I got an error message of misssing MBR. I could see the SCSI drive in the BIOS as well as boot into Acronis Recovery. I boot up using another HD, but couldn't see the SCSI drive from Disk Management.

1. How could I reinstate the MBR?

2. If reinstating the MBR is too complex or impossible, is there any easy way that I could retrive the data? For example, could I copy the SCSI partition onto an SATA drive using Acronis Recovery?

Thanks.


My System SpecsSystem Spec
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01 Nov 2013   #2
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Try this to fix the MBR:

Bootmgr is missing - Fix
My System SpecsSystem Spec
01 Nov 2013   #3
wotg

windows 7 Prof
 
 

Thanks for the suggestion.

I did try your suggestion, but the System Recovery didn't detect the SCSI disk. As such, it didn't solve my problem.
My System SpecsSystem Spec
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01 Nov 2013   #4
wotg

windows 7 Prof
 
 

I copy the whole partition on the SCSI drive to a SATA drive using Acronis Recovery. Once copied, I could see all the files copied to the SATA drive, and the data seemed to be intact. As such, the SCSI seemed to be intact as well. What I am missing now is a tool which could assess the SCSI drive and able to rebuild the MBR.
My System SpecsSystem Spec
02 Nov 2013   #5
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Have you tried a Startup Repair? You may have to run it 3 times in order for it to make any repairs.

Startup Repair
My System SpecsSystem Spec
02 Nov 2013   #6
wotg

windows 7 Prof
 
 

I haven't tried Startup Repair. In fact, I couldn't use any tools that come with the Windows 7 installation disk at all as it could not detect my SCSI drive.

At one stage, I thought my SCSI drive was dead. However, Acronis Recovery successfully retrieved the data. Unfortunately, Acronis couldn't rebuild the MBR.
My System SpecsSystem Spec
02 Nov 2013   #7
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Mmm. Thats odd, the BIOS sees it as does Acronis, but not Windows......did you have to install a specific SCSI driver originally?
My System SpecsSystem Spec
02 Nov 2013   #8
wotg

windows 7 Prof
 
 

I am not too sure as the OS was installed by IT. It is a computer at work.

Not too sure it help, but I noticed the SCSI drive is connected to a PCI card, rather than directly to the mother board.
My System SpecsSystem Spec
02 Nov 2013   #9
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Perhaps its best to check with them.
My System SpecsSystem Spec
03 Nov 2013   #10
wotg

windows 7 Prof
 
 

I found the cause of my problem:

My SCSI drive has a "system reserve partition" and a "OS partition". For some unknown reasons, the latter was accidentally marked as active. I used "MiniTool Partition Wizard" to change the "system reserve partition" back to active, it can boot again.
My System SpecsSystem Spec
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 Win7 on SCSI HD disappeared




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