Windows 10: Can't install w10 update, UEFI error? Solved

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  1.    23 Dec 2015 #11

    Ok I am using Minitool but am not getting the option to "Convert MBR to GBT" or vice versa. I backed up my data.
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  2.    23 Dec 2015 #12

    Did you highlight the disk 0 (click on it).

    Can you post a picture of the screen?
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  3.    23 Dec 2015 #13

    Oops actually if I highlight Disk 1 (there is no zero on this list) I get the option. If my main disk is called Disk 1 with this software, should I change some of my next steps?
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  4.    23 Dec 2015 #14

    As long as you are changing the correct disk (you should see all the partitions in minitool) then go ahead.

    Your picture of diskpart showed it calls it disk 0 (and you are right minitool calls disk 0, disk 1).

    Double check in diskpart with list disk that the correct sized is still number 0 after but it appears diskpart starts from 0 and minitool from 1.
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  5.    23 Dec 2015 #15

    Ok thanks I understand. I didn't have a USB with 4 gigs so I burned a Win 10 ISO to a DVD, is that ok?
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  6.    23 Dec 2015 #16

    DiscoSlice said: View Post
    Ok thanks I understand. I didn't have a USB with 4 gigs so I burned a Win 10 ISO to a DVD, is that ok?
    Sure - that is fine.
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  7.    23 Dec 2015 #17

    Ok I just tried converting it and got the error from Minitool: "This disk contains system partition and converting this disk to GPT system will cause your system to be unbootable."
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  8.    23 Dec 2015 #18

    Is that an error or a warning? If it is only warning try to continue as we are rebuilding boot files after.
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  9.    23 Dec 2015 #19

    It's an error I can't seem to bypass.
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  10.    23 Dec 2015 #20

    Does it help if I delete all my partitions first? If I have to wipe it and somehow re-install, can you let me know how to easily get all my programs back?
      My ComputerSystem Spec

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