Article ID: 923126 - View products that this article applies to.
On a computer that is running Microsoft Windows Vista, you try to install an additional operating system on a new partition. When you restart the computer, you receive the following error message:
A disk read error has occurred. Press CTRL+ALT+DEL to restart.
This problem may occur if you try to install a version of Windows that is earlier than Windows Vista. The problem occurs because the Setup process in the earlier version of Windows tries to overwrite the boot sector on the primary Windows Vista partition.
To resolve this problem, install the earlier version of Windows on the primary boot partition, and then install Windows Vista on a new partition. If you want to be able to start from more than one operating system, install the earliest version of Windows first, and then install the later versions in the order of release. For example, install the operating systems in the following order:
Note Install each version in its own partition.
For more information about multiple-boot configurations, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/306559/ )How to create a multiple-boot system in Windows XP
(http://support.microsoft.com/kb/289283/ )Description of supported dual-boot configurations between Windows 2000 and other Windows-based operating systems
Article ID: 923126 - Last Review: March 15, 2007 - Revision: 2.6
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