Windows 8 and 8.1 Forums


Cannot run Win XP or ubuntu after installing Windows 8

  1. #1


    Posts : 18
    Window 8

    Cannot run Win XP or ubuntu after installing Windows 8


    Hello,

    I had Win XP and Ubuntu (through Wubi) installed in my 500 GB SATA hard disk. I installed Windows 8 in another 80 GB ATA hard disk. When I rebooted, I was unable to log into Win XP or Ubuntu; just Windows 8. How can I get back Windows XP and Ubuntu installations?

    Thanks,
    Emma Good.

      My System SpecsSystem Spec

  2. #2


    Emma, this sometimes works. When you start-up, you have to watch the opening information, and hopefully, you'll see a menu that gives you a choice of which system to boot into. It will tell you that Win 8 is your default choice. You can then change the default or choose another OS.

    But since you're using two hard drives, it's possible that Win 8 doesn't know the other drive exists.
      My System SpecsSystem Spec

  3. #3


    Posts : 828
    Windows 7 x64 Ultimate/Windows 8.1/Linux


    The first thing you can try to restore the boot options for XP/Ubuntu is the following:

    1. In Windows 8 Open Control Panel
    2. Select System
    3. Select Advanced System Settings (on the left)
    4. Select Advanced
    5. Select Startup and Recovery Settings
    6. In the drop down list under Default Operating Systems, if it exists, select Earlier version of Windows.
    7. Reboot

    If that doesn't work you'll probably have to modify the boot manager directly. Try this first.
      My System SpecsSystem Spec

  4. #4


    Posts : 18
    Window 8


    Hi Calico,

    I checked that. There is no other windows / Ubuntu options available. Also during starting of the computer when I get the motherboard logo screen in the very beginning, the options for entering bios have also dissapeared.

    Pls. help.

    Emma Good.
      My System SpecsSystem Spec

  5. #5


    Posts : 828
    Windows 7 x64 Ultimate/Windows 8.1/Linux


    In Windows 8:

    1. Open a a command prompt with Administrative privileges
    2. Type bcdedit <Enter>
    3. Post the results here
      My System SpecsSystem Spec

  6. #6


    Sofia
    Posts : 135
    XP, Win7, Win8_Eval


    1. Can you post a snapshot of Disk Management - just type "disk management" Windows 8 will suggest to open it.

    2. Download and install Visual BCD Editor - Windows 7|Vista.

    Run Visual BCD Editor. Right click in left pane and select "Create missing Windows loaders".
    This will create a boot menu entry for Windows XP.

    Now you have to copy the files ntldr, ntdetect.com and boot.ini
    to the active partition on your first disk as set in BIOS (either "C:\" or to "System reserved" partition)

    Your Wubi loader is activated over Windows XP boot menu (second entry in boot.ini in Windows XP)

    So you will have at startup a boot menu with two choices - "Windows 8" and "Windows XP"
    If you select Windows XP then you will get another boot menu - Windows XP and Wubi.

    I will post later how to add Wubi to Windows 8 boot menu - so you will have a tripple boot at startup.
      My System SpecsSystem Spec

  7. #7


    Sofia
    Posts : 135
    XP, Win7, Win8_Eval

    How to add Wubi loader to Windows 8 boot menu


    How to add Wubi loader to Windows 8 boot menu. (Ubuntu+Wubi already installed on disk)

    Run Visual BCD Editor. Right click in left pane - select "New BootSector(Linux) loader".
    This will create a loader with default values for device and path.

    Now locate drive where Ubuntu is installed - by default in \ubuntu directory.
    Say you located \ubuntu on drive D:

    Change default values for device and path in created boot sector loader to:Click image for larger version
    ApplicationDevice - D:
    ApplicationPath - \ubuntu\winboot\wubildr.mbr
      My System SpecsSystem Spec

  8. #8


    Posts : 18
    Window 8


    Quote Originally Posted by boyans View Post
    1.
    Now you have to copy the files ntldr, ntdetect.com and boot.ini
    to the active partition on your first disk as set in BIOS (either "C:\" or to "System reserved" partition)
    Can you pls. elaborate this step. I had downloaded Visual BCD editor and selected "Create missing Windows loader". Presently Windows 8 is in C:/ drive and Windows XP seems to have 'shifted to' D:/ drive.

    Thanks,
    Emma Good
      My System SpecsSystem Spec

  9. #9


    Posts : 1,851
    8250 x86 + 7 SP1 x86 + Ubuntu 12.04 LTS x86


    EasyBCD version 2.0 and above correctly takes care of XP boot files. Just mentioning in case it's helpful for ya.

    Reference in case of interest: "Automatic configuration and one-click setup of Windows XP dual-boots. No more mucking around w/ boot.ini and NTDETECT + NTLDR"
      My System SpecsSystem Spec

  10. #10


    Sofia
    Posts : 135
    XP, Win7, Win8_Eval


    Tripple boots are a little tricky.

    First of all one must know which partition is marked as active.
    I assume d: was and is the active partition as Windows 8 was installed later and there is no need to copy ntldr, ntdetect.com and boot.ini as they are already there. boot.ini is also correct as Windows 8 partition was added later.

    So regarding XP boot just try if it succeds after adding the boot entry using VBCDE.
      My System SpecsSystem Spec

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