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  1. #1
    Junior Member
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    Default Converting SSD with Win7 from GPT to MBR

    Hi,

    I recently upgraded my PC to new SSD 240G drive, installed a fresh Win7 install on it. Everything was going fine for a few days until I added new 1 TB seagate HDD to the system as storage. Since then every time my PC boots up I get a error message saying no boot record found. I have to physically disconnect HDD, boot into windows on SSD then reconnect it again. After days of searching the net I found it has something to do with SSD being GPT drive, and HDD is a MBR disk.
    My question is: is there any way to convert SSD to MBR without the hole shebang of reinstalling windows, drivers, updates, programs etc. ; or some tinkering with BIOS perhaps ?
    Any advice hugely appreciated.

    By the way booting order in BIOS is set to: 1. Windows Boot Manager, 2.SSD, 3.CD
    once I change it to 1. SSD, it will not boot.

    Thanks very much
    Mark

  2. #2
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    Default Re: Converting SSD with Win7 from GPT to MBR

    Boot manager sounds right. Is it 64 bit? If it is disable secureboot (if it's enabled), Win7 x64 doesnt support it

  3. #3
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    Default Re: Converting SSD with Win7 from GPT to MBR

    hi, it is 64 bit, where do I find secureboot? its not listed in Gigabyte Bios settings..

  4. #4
    Computer Technician wainuitech's Avatar
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    Default Re: Converting SSD with Win7 from GPT to MBR

    The boot manger must be used other wise it wont boot ( as discovered) Just make sure when attaching the 1TB drive the boot order hasn't changed ( it often will) to answer the other question.

    Heres the full instructions: https://technet.microsoft.com/en-us/.../dn451252.aspx BUT as it points out
    If the disk has a volume on it, you can’t convert it back to a basic disk. You must delete the volume before attempting to convert the disk back to a basic disk.
    Guess what that means
    Last edited by wainuitech; 11-06-2016 at 06:46 PM.

  5. #5
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    Default Re: Converting SSD with Win7 from GPT to MBR

    Is there a possibility of creating image/copy of existing win7 installation and then, after conversion to MBR, restore it ?

  6. #6
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    Default Re: Converting SSD with Win7 from GPT to MBR

    Quote Originally Posted by miras2000 View Post
    hi, it is 64 bit, where do I find secureboot? its not listed in Gigabyte Bios settings..
    I think it's normally in the BIOS. Dont know where it is on yours tho, I've never built a GB system

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