Windows 10: Can’t repair my drive because it’s a GPT partition??

Discus and support Can’t repair my drive because it’s a GPT partition?? in Windows 10 Installation and Upgrade to solve the problem; Tried to reinstall Windows 10. The rescue disk won’t let me do it because it says it’s a GPT partition. Heh? I ran Windows from the same partition... Discussion in 'Windows 10 Installation and Upgrade' started by DavidParsons7, Jan 18, 2020.

  1. Can’t repair my drive because it’s a GPT partition??


    Tried to reinstall Windows 10.


    The rescue disk won’t let me do it because it says it’s a GPT partition.


    Heh? I ran Windows from the same partition before, why is there a problem putting it back?


    I booted Rescue with a DVD, could that be the proplem, since that’s an MBR device?


    I’ll try putting the ISO on a USB drive...


    Help?

    :)
     
    DavidParsons7, Jan 18, 2020
    #1

  2. clone MBR HD to bootable GPT partition?

    Hi,

    1. You cannot convert mbr to gpt without data loss. otherwise, you can follow directions here:

    FROM WINDOWS RECOVERY CONSOLE:

    To change a master boot record disk into a GUID partition table disk using a command line


    • Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.

    • Open an elevated command prompt (right-click Command Prompt, and then click Run as Administrator) and type diskpart. If the disk does not contain any partitions or volumes, skip to step 6.

    • At the DISKPART prompt, type list disk. Make note of the disk number you want to convert.

    • At the DISKPART prompt, type select disk <disknumber>.

    • At the DISKPART prompt, type clean.

    2. I'd suggest converting your vista drive to a virtual machine, load that up on your windows 10 system and use a program like virtualbox to run it.
     
    CoatH4nger, Jan 18, 2020
    #2
  3. FX-GMC Win User
    Move Win7 64 image from a partition NTFS to a new drive

    EDIT: After reading your first post again, is there any reason that you would now need GPT? Are you just trying to move the windows install to a new disk or is there a new motherboard involved?

    If you are already booting to an NTFS partition, then it makes me wonder if after copying to the new drive, the partition isn't getting marked as Active.

    Following the same steps I posted above for startup repair, you can get to a command prompt and use diskpart to see if this is the case.

    Code: In the command prompt: diskpart list disk select disk 0 (disk number may be different if you have other disks connected.) list partition select partition 0 (partition number number may vary, but you want to see the boot partition which is the same as your windows partition according to the screenshot on the OP) detail partition (This should have Active: Yes or No. If it says no, since we have the partition selected, you can just use the following command in diskpart) active[/quote]
     
    FX-GMC, Jan 18, 2020
    #3
  4. W1zzard Win User

    Can’t repair my drive because it’s a GPT partition??

    W7 Hard drive partition issue

    to get rid of that 100 meg windows partition that setup creates for you on a new install on a blank hdd:

    - press shift+f10 when on the partition management screen in setup <-- this opens a command prompt
    - diskpart <-- start the windows command line partition management tool
    - list disk <--- list the installed hdds in this computer for the next step
    - select disk 0 <- might have to replace 0 with the number of the correct disk
    - clean <-- this will erase all data on the disk you selected one step up- dont use the wrong disk!
    - create partition primary <- creates a primary partition taking up all space on the drive, adjust the command if necessary
    - exit, exit to exit diskpart and the command prompt
    - click refresh in partition manager and select your newly created partition and install to that
     
    W1zzard, Jan 18, 2020
    #4
Thema:

Can’t repair my drive because it’s a GPT partition??

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