If you have installed, say, XP, on a Vista machine, in the Boot Menu, you may no longer be able to see Vista as an option. This occurs because when a different version of Windows is installed, it rewrites the MBR to call its own boot loader.
So if you install Vista on a PC where XP is already installed, the Vista boot menu incorporates the options from the older OS's boot menu. But, on the other hand, if you install XP on Vista, it will overwrite the MBR with one that does not recognize the newer Vista's Boot Loader.
So if you find that Vista is missing as an option in a multi-boot computer, you can resolve this issue, as follows : Open cmd in XP.
Run
Where
Reboot. You will now be able to see the Vista menu option/s.
Now To restore the entry for XP, open an elevated command prompt and enter this:
Bcdedit –create {ntldr} –d “Put Description of Menu here”
Restart Computer.
24.11.07
Installing XP over Vista
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4 Reply:
nice info tekabhi.. :P now, i can freely switch from vista to xp vice versa base on need :P
anyhow, what is that MBR?
hi madnilk,
nice to see you after a long time.
MBR is a master boot record, with help of it booting proceeds
Greetings, I am finding it rather difficult to install XP on my Vista machine. Any way i can do this without wiping my comp. So much easier if I dont have to save everything thanks
If you dont want edit the BCD setup in the command prompt, you download and install VistaBootPRO. Then open VistaBootPRO, ignore the prompt to backup your BCD. Go to the System Bootloader tab, select "Windows Vista Bootloader" in the first section and "All Drives" in the second section and then click Install Bootloader . Next, go to the Diagnostics item on the menu bar and select "Run Diagnostics". VistaBootPRO will default back to the Manage OS Entries page and you will see that you now have entries there for "Earlier versions of Windows" as well as "Microsoft Windows Vista". Now restart your computer, you the get the booth menu with XP.
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