SSD crashed during conversion from MBR to GPT

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  1. Posts : 7
    Windows 10 pro 21H1 x64
       #1

    SSD crashed during conversion from MBR to GPT


    I am a PC novice using Windows 7. I had a problem with my old Lenovo x200 and asked a PC support firm to install the SSD into another Lenovo x200. That was successful, and the PC was working fine. Unfortunately when I asked them to make a copy of the SSD onto a hard drive, the system shut down, leaving a blue screen. This evidently happened when they tried to convert MBR to GPT. They tried making a clone and going back to MBR, and then tried applying a recovery system using GPT. Neither of those methods worked. The data itself is saved, so they tell me I can do a clean install and start over. But that would start me from square one (not to mention that I no longer have the recovery disk for Windows 7 OS or Office). It's frustrating since the PC was operating perfectly normally until they tried copying the SSD. It's possible that the PC firm here in Japan may not have access to all the needed info, so I would appreciate any suggestions here. Many thanks in advance.
      My Computer


  2. Posts : 15,182
    Vista x64 / 7 X64
       #2

    What have you got?

    Do you have a ssd gpt style that doesnt work?

    Do you have a ssd mbr style that doesn't work ?

    Do you have both?

    Do you have the key for ms office saved? What version is it?

    What is the data saved onto?
      My Computer


  3. Posts : 7
    Windows 10 pro 21H1 x64
    Thread Starter
       #3

    Thanks for the quick response.

    (1) I'll need to ask the PC repair place, but the original SSD was MBR style. They tried to convert that to GPT in order to copy it onto an external drive. That caused the SSD to become inoperable; all that appears is a blue screen. The info on the screen says:

    1: ATA HDD0 Model WDC WD5000LPCX-22VHAT0-(S --> No valid operating system

    (2) I was using MS Office 2003. I do not have the key. I am using that version as well on a separate PC; I don't know if that is transferrable to another PC.

    (3) The data is saved on an external HDD.

    I appreciate the help.
      My Computer


  4. Posts : 7,030
    Windows 7 HP 64
       #4

    Please edit your profile with ALL your hardware specs. It will help us to help you
    System Info - See Your System Specs


    UEFI-GPT requires a computer with UEFI BIOS. As it seems that you have a quite old that doesn't have UEFI BIOS.
    It is quite easy to convert it back to MBR from GPT.

    First of all you must find out if the SSD is GPT or MBR
    Boot from a Win 7 or Win 10 installation disk.
    At the Windows Setup screen, press Shift+F10 simultaneously to open a command line prompt and type
    Diskpart
    list disk (take note if the last column (GPT)) has a * indicating it is a GPT drive)
    exit

    SSD crashed during conversion from MBR to GPT-list_disk.jpg
      My Computers


  5. Posts : 7
    Windows 10 pro 21H1 x64
    Thread Starter
       #5

    Thank you for the great suggestion. I will ask the PC repair shop for the information and list that later.

    The SSD is MBR style. They tried to convert that to GPT in order to copy it onto an external drive. That caused the SSD to become inoperable; all that appears is a blue screen.

    I appreciate the help.
      My Computer


  6. Posts : 7,030
    Windows 7 HP 64
       #6

    Did you run the instructed CMD?

    First of all you must find out if the SSD is GPT or MBR
    Boot from a Win 7 or Win 10 installation disk.
    At the Windows Setup screen, press Shift+F10 simultaneously to open a command line prompt and type
    Diskpart
    list disk (take note if the last column (GPT)) has a * indicating it is a GPT drive)
    exit
      My Computers


  7. Posts : 7
    Windows 10 pro 21H1 x64
    Thread Starter
       #7

    Thank you for the suggestion. I will pass that on to the PC repair shop and give it a try.

    I appreciate the help.
      My Computer


  8. Posts : 7,030
    Windows 7 HP 64
       #8

    You should do it yourself or change the PC repair shop you're using. They don't know what they are doing and have already made your computer un boot able.
      My Computers


  9. Posts : 7
    Windows 10 pro 21H1 x64
    Thread Starter
       #9

    I may not have explained myself well. Let me try again.

    During conversion from MBR to GPT, a blue screen appeared and the PC experienced forced termination, making it impossible to boot the OS. Files such as user folders are still visible by connecting to another PC. Since the data is still there, the PC repair shop suspects that the file system was damaged. They then created a clone HDD. While cloning, the file system was converted by the cloning software. After converting from GPT to MBR, the clone was created, but the OS cannot be started.

    The shop pointed out that while the file system can normally be converted using the standard Windows functions, that is premised on the SSD and HDD formats.

    Respondents seem to be proposing a clean installation of the OS after converting and formatting the SSD to MBR. However, if the recovery media required for a clean OS installation is Windows 7, which is no longer available from the manufacturer, the OS can’t be booted even if the SSD file system is converted.

    GPT has already been converted to MBR. The shop says it has no choice but to perform a clean OS installation, but recovery is impossible since there is no recovery media. Is there any way to accomplish this while leaving currently installed OS data bootable as is?

    I would appreciate any help.
      My Computer


  10. Posts : 7,030
    Windows 7 HP 64
       #10

    I wold say that the shop doesn't know what they are talking about.
    I think you can make it boot able. Don't you want to try to fix it?
      My Computers


 
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