dual boot window7 bit and window8.1 64bit pro installation problem


  1. momo81
    Posts : 6
    Windows 7 Ultimate x64
       New #1

    dual boot window7 bit and window8.1 64bit pro installation problem


    Currently I have a pc with Windows 7 32bit installed on it. I have a disk with Windows 8.1 Pro 64 bit which I would like to dual boot with the current Windows 7 32bit . i have 2gb ram ,500gb hd 4 parttion Once I restarted my pc with the dvd in it, it asked me if I wanted to boot from Cd/DVD which I did. It then started the normal Windows setup screen. after saveral min this error show i/q error occure 0xc00000e9 what i do plz help
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  3. nuflia
    Posts : 138
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
       New #2

    it happened to me as well when i was trying to install Windows XP as dual boot with windows 7 home premium
    i always get the blue screen due to the SATA driver that xp doe snot recognize my HD,,
    but the people in the forum really do good help by pointing me to virtualize xp INSIDE W7..
    IT works using VMware , why do not you use the same thing
    or do you have another purpose of installing w8 as dual boot with w7
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  4. Ztruker
    Posts : 6,285
    Windows 10 Pro X64
       New #3

    You need to boot the DVD, not start it from the existing Windows 7 installation.

    See here: Dual Boot Installation - Windows 8 and Windows 7 or Vista
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  6. gregrocker
    Posts : 50,642
       New #4

    To be sure you're booting the disk follow How to Boot A Computer from CD or DVD - YouTube.

    If it still fails, where did you get the Win7 disk and how is it burned?

    Is there any chance the Win7 is installed to a UEFI BIOS? If so it will have a EFI System partition in Disk Mgmt.
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