Windows 10: SSD Boot problem

Discus and support SSD Boot problem in Windows 10 Installation and Upgrade to solve the problem; Hi, I'm having an issue with my SSD. In my computer I have a Samsung Evo 860 with windows 10 installed on it and a HDD just for backup with no OS... Discussion in 'Windows 10 Installation and Upgrade' started by aguzzo13, Jan 25, 2021.

  1. aguzzo13 Win User

    SSD Boot problem

    Hi, I'm having an issue with my SSD. In my computer I have a Samsung Evo 860 with windows 10 installed on it and a HDD just for backup with no OS installed. I bought a new SSD same model than mine and wanted to install windows 10 on it.

    So I just disconnected the SATA cable and power cable from my old SSD, connected them to the new one, inatalled everything and it was working fine.

    The problem is that after I reconnected the old SSD it won't boot. I tried booting from the new SSD to access the old one and worked perfectly I backuped all the information by the way, but it still won't boot no matter the boot priority is OK. I tried changing almost every option on the BIOS without luck.

    Also, when I changed the priority order to Windows Boot Manager first it will boot and recognise my user account but wouldn't let me sign in. Instead it would sign in a guest user account or something like that.

    I'm out of ideas already so I would appreciate a lot if somebody has any other idea!

    aguzzo13, Jan 25, 2021
  2. dalchina Win User

    Windows 10 1709 System Restore problems...

    That seems to be an attempt at Option 2 in the tutorial, which requires you to
    a. Boot to a command prompt (Did you?)
    b. You then seem to be mixing steps 3,4 and 5, thus your command is incorrect.

    I suggest Option 1 is easier.

    If you still have problems, please repost listing each specific step and saying which option from the tutorial you are using. Thanks.
    dalchina, Jan 25, 2021
  3. Unable to boot Windows after cloning it to SSD


    Thank you for writing to Microsoft Community Forums.

    I understand that you are facing issues while booting the PC after cloning Windows to new SSD. I would like to know what happens when you try to boot the PC to desktop using SSD?

    The reason you are not able to boot the PC is that the files required to boot Windows are still recognizing the HDD as the main drive. I would suggest you to try rebuilding the BCD files and see if you are able to boot the PC using

    Kindly follow the steps below to rebuild the BCD.

    1. Create a bootable media and boot the PC using the media.
    2. On the Install Windows screen, select Next >
      Repair your computer.
    3. On the System Recovery Options screen, select
      > Advanced options > Command Prompt.
    4. Now type in the commands and hit enter: BOOTREC /FIXMBR


      BOOTREC /scanos

      BOOTREC /rebuildbcd
    5. Restart the PC.

    If the issue persists, please get back to us with the results of the troubleshooting steps to assist you further.


    Prakhar Khare

    Microsoft Community – Moderator
    Prakhar_Khare, Jan 25, 2021
  4. SSD Boot problem

    Cloned SSD Won't boot

    Ok I will do this now. What are the next steps after that to make it my main drive and move everything to it?
    lhunter664, Jan 25, 2021

SSD Boot problem

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