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Windows Duel booting windows 7 and 10. Issues! :(

Discussion in 'Software' started by aLtikal, 23 Jul 2016.

  1. aLtikal

    aLtikal 1338-One step infront of the pro's

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    So, what I set out to do was to duel-boot windows 10 and 7, and when I turn on the PC, it should ask me which version do I want to launch. Simple right....?

    Originally I had Windows 7 installed on my SSD. Then, on a different drive I created a partition for the Windows 10 setup. Finally, I installed windows 10 from the CD (boot time) onto the partition which I had just created. So far so good.. I now have windows 7 on my SSD and windows 10 on a different drive.

    Here is the issue, can you help me out please?

    • Windows 10 now automatically boots by default. There is no "choice screen"
    • When windows 7 is booted the SSD becomes the C: Drive, and the windows 10 drive is I: - But when windows 10 is booted the I: drive now becomes the C: drive!? Why didnt windows 10 keep the I: drive with the same letter?
    • To boot to the windows 7, I have to change my boot order at BIOS time to put the windows 7 SSD drive as the first boot device.
    • When windows 7 attempts to boot i get a windows 10 error message (See image here)
    • On the error message above, have to click "F9 - Use another other operating system" for Windows 7 to boot (which it does successfully)

    Here is a screenshot of my Disk management from inside windows 7 :
    See image here

    How do i get windows 7 and 10 to duel boot properly please?

    Thankyou for any help at all <3

    Allan
     
  2. itrush07

    itrush07 Member

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    I'm also interested with this kind of setting and while searching for more info, I found this - THESE - hope it'll help you fix your problem.
     
  3. aLtikal

    aLtikal 1338-One step infront of the pro's

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    Hi itrush07,

    The issue with that approach is that both windows (7 and 10) are installed on the same drive. Therefore it "knows" there are two operating systems installed. However in my case im installing on different drives, and the only way to choose an OS is to use the bios boot order option.
     
  4. noizdaemon666

    noizdaemon666 I'm Od, Therefore I Pwn

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    Were both drives plugged in when you installed 10?

    Irrespective of that you can make it give you the different OS choice on boot up but it isn't the easiest of things. And I'm working at the minute so haven't got time to write down the steps, though I'm sure someone will be along shortly to do just that.

    Also, drive letters are OS specific. Whichever OS is currently booted will assign its own partition as C:, it's just how Windows works.
     
  5. Uncle Psychosis

    Uncle Psychosis Classically Trained

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