Fixing Dual Boot Problems with XP x64 and Vista x64

Published 28 September 6 5:20 PM | Charlie Russel

I've been running both XP x64 and Vista x64 in a dual boot scenario on my Ferrari 4005 laptop. It runs well, and I love it. BUT, every time I re-install a new Vista build, I run into problems. Should I do an upgrade (usually not a good idea) or a fresh install. And if it's a fresh install, should I format the partition. Well, this last time, I formatted the partition (C:). Which worked fine for getting in to Vista, but I lost my access to Windows XP Professional x64 Edition. Bummer. Here's what I had to do to fix it.

  1. boot from XP x64 CD
  2. select Repair Console
  3. select XP x64 as the Windows to boot to.
  4. enter administrator password
  5. run fixboot
    • run bootcfg /rebuild
    • Say yes to add the XP x64 to the boot list
    • Enter an identifier for it
    • Blank for OS Load Options
    • cd D:\
    • copy nt*.* c:\
    • exit
  6. reboot - you're now in XP x64
  7. run easyBCD
    • click Manage Bootloader
    • check Reinstall
    • Click Write
    • Exit
  8. Reboot

Also, see my earlier blog post on multi-boot in general.

Update: Darrell suggests a link to Knowledge Base article 919259 would be a useful addition, and I agree. Title is: 919529 Windows Vista no longer starts after you install an earlier version of the Windows operating system in a dual-boot configuration

Thanks, Darrell

Charlie.

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