Windows 10: System/Boot files on different drives

  1.    12 Jun 2017 #1

    System/Boot files on different drives


    New to these forums and hoping someone can help with my issue.

    I have a homebuilt machine that had Win7 ultimate running on a 150GB HDD. I cloned it some time ago to a 500 GB HDD. Then I changed to Win10 Pro (first upgraded to Win8 and then immediately to Win10) and all seemed to be ok. I am wanting to upgrade to an SSD but have found this problem:

    According to Disk Management, my Windows system and boot files are on different drives.

    C: Boot, Page File, Active, Crash Dump, Primary Partition (this is the 500GB)
    Z: System, Active, Primary Partition (this is the old 150GB)

    I can't seem to post an image (but attached pix) so if there is something else that will help, please advise.

    I have gone through numerous attempts to fix this by rebuilding the BCD, cleaning up old install files and now when I boot up, I get a window asking which OS to boot (10 or 7). I want to get rid of the 150GB drive completely, but when I disconnect it I get the missing winload.exe blue screen so something isn't right with the Win10 Pro install.

    I ask the community for help so I can move forward with an SSD upgrade.
    Attached Thumbnails Attached Thumbnails Boot.PNG   2017_06_12_22_07_451.png  
      My ComputerSystem Spec

  2.    12 Jun 2017 #2

    Welcome to the forum. You dont say if windows is updated to the latest win10. download the lates up to date and put it on dvd or usb. remove z and i put c on disk 0 controller the one z is on. boot the dvd and do a upgrade once working you can put other disk back never install with more than one disk as it can put files in the wrong place.

    If you want to use a ssd its best to install that and do a clean install with that as the only disk it will then be optimized for ssd and by far the best option you wont need a key as activation is stored on MS server
      My ComputerSystem Spec

  3.    12 Jun 2017 #3

    Be aware that Samuria's plan has a flaw in it. You can't upgrade the existing Windows 10 to a higher build by booting from a USB flash drive or DVD. You must run setup.exe from within Windows 10. If your current C: drive partition does not have the boot files included on that partition, when you physically remove Z: drive you won't be able to boot your computer into the existing Windows 10, and thus, you won't be able to upgrade it to the latest version contained on a USB flash drive or DVD.

    I would start by attempt to establish/fix the boot files on your C: drive partition by opening a command prompt (admin) or powershell (admin) and running:

    bcdboot C:\Windows /s C: /f ALL

    If that completes successfully, then try booting the computer with the Z: drive unplugged. And I do agree with the recommendation to moving the drive containing the C: partition to lowest numbered SATA port where the Z: drive is currently plugged in.

    If that doesn't work, then you will want to boot from a Windows 10 installation USB flash drive or DVD and run the bootsect command. I would have to reboot my computer into recovery to even come close to getting an example correct of how that works.
      My ComputerSystem Spec


 

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