Dual Boot Windows 10 with Windows 7 or Windows 8  

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  1. f14tomcat's Avatar
    Posts : 53,146
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #70

    Gary said:
    OK I am going to try this again but I have some questions:

    1. When I format the Partition for Windows 10 should I give it a drive letter?
    2. I will be using a DVD to do this.

    I will be back in 15.

    Thanks
    You shouldn't have to format it. If you're installing from a booted win10 DVD, just leave the partition "unallocated" and and select it for install target. Actually, the process of installing will give you the option of clearing (deleting) an old partition and choosing it for installation. The system will assign it to "C:" when you boot up after installation, although if booted in another OS, say 8.1, it will appear as a different drive letter cause 8.1 is now "C:". That's perfectly normal. Advice? Let the installation process walk you through partition choice and let it do it's thing.
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  2. Posts : 46
    64-bit 10240 10 Pro
       #71

    Thanks Charla and Tom:)
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  3. Jesse Williams's Avatar
    Posts : 1,797
    Windows 10 Home 64-bit
       #72

    I can't get my dual boot configuration to work. It was working fine, until I put my Acer software back on. Can someone help me?
      My Computers


  4. Posts : 46
    64-bit 10240 10 Pro
       #73

    OK I did it according to the instructions and once again Windows 10 boots just fine and it shows as C;\ . The only problem is that I cannot boot into Windows 7. This , I cannot live with. Please if anyone has any suggestion I would apprecite it. If Not I will use the MR recovery Disk and go back to 7 until the final.n Two tries--same result.
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  5. f14tomcat's Avatar
    Posts : 53,146
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #74

    Jesse Williams said:
    I can't get my dual boot configuration to work. It was working fine, until I put my Acer software back on. Can someone help me?
    Jesse, can you be more specific as to what "Acer software" you put back on? Check MSCONFIG (WIN key + R), and make sure the OS's you expect are there (under boot tab). Post back results and screenshot.
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  6. f14tomcat's Avatar
    Posts : 53,146
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #75

    Gary said:
    OK I did it according to the instructions and once again Windows 10 boots just fine and it shows as C;\ . The only problem is that I cannot boot into Windows 7. This , I cannot live with. Please if anyone has any suggestion I would apprecite it. If Not I will use the MR recovery Disk and go back to 7 until the final.n Two tries--same result.
    Gary, please post a screenshot of your Disk Management Display and your MSCONFIG display.
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  7. Charlie's Avatar
    Posts : 719
    win 7 dual boot / 10
       #76

    Gary
    You may have deleted your active partition so we need to have a look at your disk manage snip. so we can tell you what you need to do to make it right again. I think we have a tutorial for making a manage snip if you need to look at that?
    https://www.tenforums.com/tutorials/2...creenshot.html
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  8. Posts : 46
    64-bit 10240 10 Pro
       #77

    Ok here it comes:

    Dual Boot Windows 10 with Windows 7 or Windows 8-dm.png

    Dual Boot Windows 10 with Windows 7 or Windows 8-ms-conf.png

    Dual Boot Windows 10 with Windows 7 or Windows 8-ms-c-b.png

    Now when I select Windows 10 it goes there. When I select 7 it reboots and then goes to the automatic repair thing.
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  9. Wynona's Avatar
    Posts : 27,978
    Windows 10 2404 Build 19042.867
       #78

    Gary, did you install Windows 7 first or after Windows 10? If so, that may be the problem.

    Disclaimer: I'm still learning about UEFI!

    In the past, the requirement for dual boot is to install the oldest version of Windows first and then to install the later version next. Also, you need to be very careful not to install Windows 10 over the oldest Windows. :)

    Once Windows 7 is installed, write down the exact size of the partition. Then install Windows 10 on the partition that doesn't match that size. :)
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  10. Posts : 46
    64-bit 10240 10 Pro
       #79

    I have had Windows 7 installed since 2009. I installed Win 10 today on a partition on the same drive which is 90 some Gb's in size.
      My Computer


 
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