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Windows 7: Dual boot 7 (on internal hdd) and XP (on external USB connected IDE)

29 Sep 2012   #11

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Quote   Quote: Originally Posted by luinox86 View Post
Thanks everyone.

Better way:
  • install winxp on usb
  • add winxp to the bootmenu (still located on internal harddisk)
Pro: internal disk still boots if external isn't connected! Of course only Windows 7 works then.

Dual Boot Installation with Windows 7 and XP
Read all and understand it!

But to make winxp to boot from usb you have to install it a special way:
Installing Vista/XP on USB disk - The CD Forum
I read the instructions and gave it a try. But still I am getting blue screen errors.

I will try further and let you know. If it would take really complicated and long time trying I think I better let it go!

Thanks everyone. If I succeed I will let you know.
You installed winxp on external usb disk. Then a reboot to finish installation. But that crashes. Did you then boot to Windows 7 and did:
Replace Q with actual drive letter of winxp partition.

usbbootwatcher.exe  /prepare  Q:\windows\system32
UsbBootWatcher.conf and UsbBootWatcher.exe are in Q:\windows\system32 ?

What stopcode do you get? can be found on Installing Vista/XP on USB disk - The CD Forum ( 117.72K )Number of downloads: 21335

My System SpecsSystem Spec

29 Sep 2012   #12

Windows 7 Professional x64

Yes. I did exactly the same.

I started the install from CD, then chose the USB HDD as the destination, after the reboot I loaded Win 7. Then performed the given command from Command Prompt, with the address of the USB HDD given. Then I loaded again with the USB HDD to continue installation, and blue screen!

Am I missing something from the steps?!
My System SpecsSystem Spec

 Dual boot 7 (on internal hdd) and XP (on external USB connected IDE)

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