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Changing HDD to Bootable Drive


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#1 eman60

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Posted 31 October 2017 - 08:37 AM

I recently bought a new Toshiba 2TB HDD to upgrade my storage. I was going to move my os to another drive I had to free up some space. Once I cloned the drive, it comes up in File manager as (B:). Windows doesn't recognize it as a bootable drive, even though it is an exact copy of the original drive. I tried to boot to it directly using the BIOS, but that didn't work either. It said it was a "Non-System Disk". How do I convert the drive to a bootable drive (preferably in Windows)?

 

 

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#2 xrobwx

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Posted 31 October 2017 - 09:10 AM

My method, as I use Macrium Reflect for my backups, was to use the fix MBR (Master Boot Record) function in Macrium's software. This method has worked for me on several occasions where I added a SSD and cloned.

http://reflect.macrium.com/help/v5/rescue_cds/fix_boot_problems.htm


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#3 dc3

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Posted 31 October 2017 - 10:21 AM

Did you include the System Reserved partition in the clone?

 

The System Reserved partition holds the Boot Manager code and the Boot Configuration Database.  Without this partition you will not be able to boot into Windows.

 

Press the Windows key OS4o0pO.png  and the X key to open the Windows Power Menu.  Click/tap on Disk Management to view the different partitions.  This partition should be between 100MB to 350MB in size.


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#4 eman60

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Posted 01 November 2017 - 03:52 PM

Yes, the destination drive has the system reserved partition. Its drive letter is (A:).



#5 dmccoyks

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Posted 01 November 2017 - 10:05 PM

Have you ied repairing the master boot record?

1. Choose Troubleshoot > Advanced Options > Command Prompt.

2. When Command Prompt appears, enter the following lines and press Enter after each line:

bootrec.exe /rebuildbcd
bootrec.exe /fixmbr
bootrec.exe /fixboot

#6 dc3

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Posted 02 November 2017 - 08:17 AM

Yes, the destination drive has the system reserved partition. Its drive letter is (A:).

 

This is on the drive which you made the cloned copy from, correct?

 

If this partition wasn't included in the clone you do not have the boot record, because of this you will not be able to rebuild the boot record as it does not exist.  So, the question is... was this partition included when you made the clone?

 

Rebuilding the BCD may resolve this if the partition was omitted. 

 

Press the Windows key OS4o0pO.png  and the R key to open the Run box.

 

When the Run boxes opens type in cmd (admin), click/tap OK, this will open the Elevated Command Prompt.

 

Copy and  paste the two command below one at a time followed by pressing Enter after each command.

 

bootrec /fixboot

 

bootrec /rebuildbcd


Edited by dc3, 02 November 2017 - 08:39 AM.

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