Windows 8 and 8.1 Forums

Can't go back to Windows 7

  1. #1

    Posts : 3
    Windows 7/8

    Can't go back to Windows 7

    Alright this is going to be a long story.

    I wanted to try Windows 8 so I installed it on a separate SSD I had from my Windows 7 HDD thinking it would keep separate. I didn't like it so I tried replacing it with Lion OSX. I didn't realize that special precautions had to be taken and that I couldn't just install an OS over Windows 8.

    Now I can't get into my Windows 7 HDD and even when I use my Windows 7 dvd in IDE, it goes to the same message:

    Windows Recovery Environment Your PC needs to be repaired A required device isnt connected or cant be accessed. Error code: 0xc000000e

    However it does load when I choose AHCI and not IDE. I don't know if it has to do with when I installed Lion over Windows 8, I had to switch IDE to AHCI. So by using AHCI, I was able to install Windows 8 again but it did not solve any of my problems and it doesn't give me the option to boot into Windows 7 like the first time it was installed.

    I know I'm such an idiot but any help is greatly appreciated.

      My System SpecsSystem Spec

  2. #2

    Posts : 503
    WINDOWS 8.1 x64


    why not remove the second SSD and if you cannot boot then, reinstall Win7 on the HDD?


      My System SpecsSystem Spec

  3. #3

    Posts : 5,139
    Win8.1Pro - Finally!!!

    This depends on how the system was setup when you installed Win7.
    Put the system in that state, and then run these 3 commands (pressing Enter after each one) with the Win7 repair disk:

    bootrec /fixmbr
    bootrec /fixboot
    bootrec /rebuildbcd

    FYI - this may stop the Lion OS from loading (as Windows won't recognize it when searching for OS's).
      My System SpecsSystem Spec

  4. #4

    Posts : 3
    Windows 7/8

    Jeffrys - That's because I have a lot of data on my Windows 7 HDD (It had been my primary drive for many years) that I can still access from the SSD that I don't want to lose. I can remove the SSD but it doesn't allow me to boot into my HDD still. I think the Windows 8 created a bootloader the Windows 7 relied on that got erased when I tried to install the other OS. I realize how stupid I am without backing up and getting into this whole mess in general.

    usasma - I have reinstalled Windows 8 and it works fine but won't let me get into my 7 side (it doesn't give me the option). Even if I remove the SSD, I can not get my Windows 7 HDD to get passed the screen I stated above.

    "Windows Recovery Environment Your PC needs to be repaired
    A required device isnt connected or cant be accessed.
    Error code: 0xc000000e
    You'll need to use the recovery tools on the installation media. If you don't have any installation media (like a disc or USB device), contact your system administrator or PC manufacturer.
    Press Enter to try again
    Press F8 to alternate boot options
    Press F9 to use a different operating system."

    For some reason, even if I try to boot from the Windows 7 DVD, it will still make me go to this screen and freeze. I just can't get passed this screen because it just freezes on this screen no matter what I press.
      My System SpecsSystem Spec

  5. #5

    Posts : 5,360
    7/8/ubuntu/Linux Deepin

    You can boot the win 8 dvd - if it sees the win 7 HD - go to command prompt and type:

    bootsect /nt60 all /mbr

    If you manage to get that drive recognised, and still no boot menu entry , try adding windows 7 as a boot menu option.

    If you don't want to use commands - Easybcd is simple to use.

    I assume you can see it from Windows 8?
      My System SpecsSystem Spec

  6. #6

    Posts : 3
    Windows 7/8

    Thank you siw2. I can't for some reason boot from the DVDs when I only have the HDD in. I'll try easybcd when i get home since I have little to no knowledge of code.
      My System SpecsSystem Spec

  7. #7

    Posts : 740
    Windows 8.1

    Another vote for EasyBCD. the interface is slightly confusing but it does what you need easily.
      My System SpecsSystem Spec

Can't go back to Windows 7
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