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  1.    13 Oct 2014 #1

    Windows 10, and MBR?


    Hi

    I was just reading a post on another forum.

    It was said that you can't install Windows 10 on a disk that has a Master Boot Record.

    That because it uses a GBR you have to remove all of the partitions and change the boot manager before you install it.

    -------------------------------------------------------------------------------------------------------------

    First off is how the hard drive is set up. You can not install it to a drive with a Master Boot Record (MBR) Windows 10 uses GBR which is far better for large hard drives. GBR supports more than 4 partition entrys and huge hard drives. If you have a hard drive that you want to install it to and it uses MBR, all the partitions must either be deleted or converted to GBR before installing Windows 10.

    --------------------------------------------------------------------------------------------------------------

    I installed my W10 on my second hard drive so (no previous OS on it) I didn't run into any problems.

    Is this correct, I didn't see any information about this at the time I was installing?

    Anyone have to deal with this?

    Mike
    Last edited by MikeHawthorne; 13 Oct 2014 at 17:17.
      My System SpecsSystem Spec


  2. Joined : Oct 2014
    New Jersey
    Posts : 679
    Windows 7 Pro x64 Windows 10 Pro x64
       13 Oct 2014 #2

    They don`t have a clue.Attachment 6984
      My System SpecsSystem Spec


  3. Joined : Oct 2014
    New Jersey
    Posts : 679
    Windows 7 Pro x64 Windows 10 Pro x64
       13 Oct 2014 #3

    Check your hard drive in Disk Management , is windows installed to a GPT or MBR disk. Mine is MBR and always has been.
      My System SpecsSystem Spec


  4. Joined : Nov 2013
    Land of 10,000 lakes
    Posts : 10,346
    W10 Pro, W10 Home
       13 Oct 2014 #4

    AddRAM said: View Post
    Check your hard drive in Disk Management , is windows installed to a GPT or MBR disk. Mine is MBR and always has been.
      My System SpecsSystem Spec


  5. Joined : Nov 2013
    Toronto
    Posts : 4,288
    Win 10 Pro x64
       13 Oct 2014 #5

    You can't install Win 10 on UEFI firmware with secured boot enabled and CSM disabled if the disk is MBR. The disk has to be GPT. But on PCs with BIOS firmware, it shouldn't be a problem.
      My System SpecsSystem Spec

  6.    14 Oct 2014 #6

    Hi

    I can't find anyplace where is says if my hard drive is MBR or GBR?
    I looked in Disk Management, and at Disk Properties but I don't see a Volumes tab anyplace.

    How did you get to the screen shown above?

    The reason I'm interested in this is I don't want to be telling people they can just create a partition and install Windows 10 in a dual boot setup if there is more to it then that.

    I didn't have any problems but I have it on a different physical drive then my Windows 8 install.

    Mike

    Click image for larger version. 

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    Last edited by MikeHawthorne; 14 Oct 2014 at 03:44.
      My System SpecsSystem Spec


  7. Joined : Jan 2014
    Pentland Hills
    Posts : 67
    Windows 10 Pro x64 TH2
       14 Oct 2014 #7

    Device Manager > Disk Drives > Double click on drive > Volume and then populate at bottom.
      My System SpecsSystem Spec


  8. Joined : Sep 2014
    Posts : 2,923
    Windows 10 Pro
       14 Oct 2014 #8

    Switch to the Hardware Tab, then click on the drive description and click Properties.

    Then switch to the Volumes tab of the new dialog, and click populate... If you have UAC, it will close and open a new elevated one, click populate again.
      My System SpecsSystem Spec

  9.    14 Oct 2014 #9

    OK, I found it.

    Both of my drives including the one with Windows 10 on it have MBR partitions.

    Click image for larger version. 

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    So I guess you can have Windows 10 on a drive with a MBR.

    Mike
      My System SpecsSystem Spec


  10. Joined : Sep 2014
    Posts : 2,923
    Windows 10 Pro
       14 Oct 2014 #10

    Yes, you can... *IF* it's not a UEFI bios with secure boot enabled and CSM disabled.
      My System SpecsSystem Spec


 
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