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I Cannot boot windows 8 after installing windows xp

hello guys ( sorry if i cant speak English very well)

last night i installed windows xp , but after installing it , i cannot boot the windows 8 , when i restart the computer , it automatically goes to xp , and i installed the xp on a different partition

i tried EasyBCD and i created windows 8 and xp on the entry and set windows 8 on default , and click on wait for user selection and saved it , but when i restart the computer , it does not work and automatically go to xp


what should i do ? :(
4 answers Last reply Best Answer
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  1. Best answer
    you need to install the oldest os first as the bootloaders overwrite each other. You'll need to put the win8 cd in and see if you can repair it, otherwise reinstall win8 and the win8 bootloader should list xp as well.
  2. jldevoy said:
    you need to install the oldest os first as the bootloaders overwrite each other. You'll need to put the win8 cd in and see if you can repair it, otherwise reinstall win8 and the win8 bootloader should list xp as well.


    I tried to repair it with windows 8 DVD but when i pressed either windows 8 or xp on the repair menu , it said : This option is not supported on the operating system you selected

    and i selected too boot from windows 8 in repair menu , it booted from xp again !!!


    and i tried too delete windows xp with safe mode , and safemode stuck at classpnp.sys and sometimes mup.sys

    IS THERE any way to fix this without reinstalling windows 8 ? and is there any software that delete windows xp without safemode ?
    this is such a wired issue , i can see my windows 8 system files on xp , yet i cannot boot it ?! what the hell !
  3. same problem here and waiting for good option..
    can anyone help????
  4. Use the windows 8 dvd,tapping 'enter' after the bios screen to boot from cd, "Repair My Computer" "Troubleshoot" Advanced settings" "Start Command Prompt" type - bootrec /RebuildBCD" When it finishes type - bootrec /FixBoot
    Boot into windows 8 and download EASYBCD , in the add new entry select windows 98/2000/xp/2003 ---- save settings and reboot.

    After the reboot you'll have a menu to boot into the OS of your choice.
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