dual boot win 7 and win 10?

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  1. dishinit
    Posts : 2
    Windows 10
       New #11

    topgundcp said:
    If that's the case. Open Admin Command Prompt and type: bcdboot %windir%
    will rebuild the BCD and gives you back the GUI.

    This procedure only changes the boot order and set Windows 10 to default OS and will not give you the GUI screen.


    On Win 10 upgrade from Win 7 on a dual boot system......and because I was still at the Win 7 dual boot selection format.....
    I entered "bcdboot %windir%" at an elevated admin command prompt (within Win 10), and it showed boot files successfully created...
    However, when I rebooted (restarted), I still had the Win 7 boot selection, and the only thing "bcdboot %windir%" did, was change my local sign in to my MS sign in in Win 10....?
    I tried this twice, with the same result.....
    However, on another system this worked as described.....
    Any suggestions/clues....?
    No errors reported when doing "sfc /scannow" on this particular system.....
    Thanks for any input on this....
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  3. mrpumpkin
    Posts : 142
    dual boot win10/win7
       New #12

    dishinit said:
    On Win 10 upgrade from Win 7 on a dual boot system......and because I was still at the Win 7 dual boot selection format.....
    I entered "bcdboot %windir%" at an elevated admin command prompt (within Win 10), and it showed boot files successfully created...
    However, when I rebooted (restarted), I still had the Win 7 boot selection, and the only thing "bcdboot %windir%" did, was change my local sign in to my MS sign in in Win 10....?
    I tried this twice, with the same result.....
    However, on another system this worked as described.....
    Any suggestions/clues....?
    No errors reported when doing "sfc /scannow" on this particular system.....
    Thanks for any input on this....
    If I change the default boot OS to win 10 within windows 10, using the path I described in the second post, the w10 Gui is restored.
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  4. dishinit
    Posts : 2
    Windows 10
       New #13

    Still scratching my head....


    mrpumpkin said:
    If I change the default boot OS to win 10 within windows 10, using the path I described in the second post, the w10 Gui is restored.
    Yes this also worked on another system that I upgraded from Win 7 Pro.....64
    But on this particular system it does not.....
    I may do a upgrade to Win 10 again using a USB Boot-able I have prepared to see if that straightens this out....
    And thanks for your reply.....as this is a complete mystery to me, specific to this machine........

    OK, so I did a USB upgrade to see if I could get the Win 10 Gui to work......No go......Still the Win 7 Text boot menu....
    Not completely sure, but II think I remember using easyBCD to edit my time to boot....and that's when I lost the Win 10 GUI.....
    Strange as I used easyBCD on another system which then put me in a Win 7 text boot, and on that system, I was able to get the Win 10 GUI back by using the this threads instructions....
    Not sure why I am complaining, as the system does not do a restart to boot into other OS (dual boot), where as in the Win 10 GUI boot, it does when I choose the other OS...Additionally, I have ready access to the F8 key (Safe Start) during the Win 7 text boot....
    As I am a bit OCD, I may just do a Clean Install on this one system to see what happens with that.....
    Last edited by dishinit; 29 Aug 2015 at 13:25. Reason: correction
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  6. wawadie
    Posts : 1
    windows 10
       New #14

    noobs need to help
    i have question how about doing this on my computer with 2 diffrence windows on 2 differences HDD?
    might This methode work on my pc,
    thanks
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