Error message when you try to install Windows Vista on computer that has...
This problem occurs because Windows Vista cannot distinguish between ambiguous hard disks.
In versions of Microsoft Windows Setup that are earlier than Windows Vista Setup, hard disks are marked with distinct values to distinguish them. However, this method of distinguishing hard disks is no longer supported because of the potential for data corruption on hard disks.
Do you have more than one hard drive connected to your computer?
If you have two hard drives, remove the second hard drive and continue with the installation.
If that does not work, try to format the C: drive while installing the Vista operating system.
You need to select the "format" option from "advanced" within Vista installation.
Click on the link below for more information.
Error message when you try to install Windows Vista on a computer that has uninitialized hard disks: "This computer's hardware may not support booting to this disk"
http://support.microsoft.com/kb/925481
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