Windows 10: how to dual boot win 7 or 10 Solved

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  1.    27 Nov 2017 #1

    how to dual boot win 7 or 10


    i was using easybcd setup in 7 but it has failed. select win10 leaves me with grub > prompt.

    so i selected win10 by using pc bios. am in 10 now.
    what can i use with win 10?

    stuff like this is worthless as it assumes both os are on same drive. mine are on seperate drives.

    How to Dual Boot Windows 7 or Windows 8 with Windows 10 Installed - Microsoft Community

    install linux will do this, must be a way with not doing that.
      My ComputerSystem Spec


  2. Posts : 2,749
    3-Win-7Prox64 2-Win10Prox64
       27 Nov 2017 #2

    Hi,
    Haven't looked at the link but have you seen if this is any different
    Dual Boot Windows 10 with Windows 7 or Windows 8 Installation Upgrade Tutorials
      My ComputersSystem Spec

  3.    27 Nov 2017 #3

    ok, will look. I booted back into 7. I reran easybcd, and now get another weird security error from win10 refusing to allow a bootup.

    Win 10 was booting ok before I ran easybcd again, and I have not checked if win10 can Boot, after I reran easybcd!
    I dont think it should be this hard.

    Following MS instruction on that displayed page by hitting enter just forces the PC to reboot the bios screen and start over.

    I can still get into win7.
    Attached Thumbnails Attached Thumbnails 20171127_084246.jpg  
      My ComputerSystem Spec


  4. Posts : 2,749
    3-Win-7Prox64 2-Win10Prox64
       27 Nov 2017 #4

    Hi,
    10 acts like an alpha
    Any dual booting would need to go through win-10's options.
    Or if you have room on the front of your case this is something I use to make life easier
    http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
      My ComputersSystem Spec

  5.    27 Nov 2017 #5

    ThrashZone said: View Post
    Hi,
    Haven't looked at the link but have you seen if this is any different
    Dual Boot Windows 10 with Windows 7 or Windows 8 Installation Upgrade Tutorials
    MAYBE you should look, it is a gen info page basically telling you it just works after you install win10 with nothing needed to be done by you!


    I am not going to reinstall win10 from scratch just to find out it does or does not work like that. Must be a better way.
      My ComputerSystem Spec

  6.    27 Nov 2017 #6

    ThrashZone said: View Post
    Hi,
    10 acts like an alpha
    Any dual booting would need to go through win-10's options.
    Or if you have room on the front of your case this is something I use to make life easier
    http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
    I simply have 3 discs in the PC, one with 7, one with 10, one with data.
    In the past I simply hit esc key while booting and the bios gives me its own boot menu to choose various drives.
    While it has been working for me, it is too geeky for non tech people to use easily.

    Just checked, I can still hit esc key and boot the drive with win10, but easybcd is crudware. And oddly it used to work a week ago. Now nothing but various errors. I reran easybcd and deleted the win10 boot entry then I setup win10 again. but no good.
      My ComputerSystem Spec


  7. Posts : 2,749
    3-Win-7Prox64 2-Win10Prox64
       27 Nov 2017 #7

    Hi,
    Well 10 shuts down differently than 7 not too different than win-8
    Have you disabled fast start and or hibernation in win-10 ?
    Inside 10 use cmd and
    Code:
    powercfg -h off
      My ComputersSystem Spec


  8. Posts : 2,749
    3-Win-7Prox64 2-Win10Prox64
       27 Nov 2017 #8

    Hi,
    I'll add it is not wise to share data drives with different os's.
      My ComputersSystem Spec

  9.    27 Nov 2017 #9

    ThrashZone said: View Post
    Hi,
    Well 10 shuts down differently than 7 not too different than win-8
    Have you disabled fast start and or hibernation in win-10 ?
    Inside 10 use cmd and
    Code:
    powercfg -h off
    Your confusing me, how does win10 shutting down affect booting up?
    Are you saying win10 is now leaving something behind it did not do a week ago which is interfering with being selected to boot in the windows boot manager setup by easybcd?? ASFAIK, easybcd is modifying bcdedit boot file.
      My ComputerSystem Spec

  10.    27 Nov 2017 #10

    ThrashZone said: View Post
    Hi,
    I'll add it is not wise to share data drives with different os's.
    ????????????????????????????
    That is like really weird. I take it you dont ever run different os then. I have dual booted various windows and linux versions for years with accessing other drives and no problems whatsoever.
      My ComputerSystem Spec


 
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