40 Appendix B
Appendix B
Registry modifications to allow transitions between BIOS ATA, AHCI, and
RAID modes.
CAUTION: Procedures for making manual changes to Windows registry settings
are generally not recommended by Dell. As with any registry modification
procedure, please be advised to back up any important files and account settings
before attempting the modifications below.
Microsoft Methods:
• Microsoft Support provides a Knowledge Base (KB) article, which explains
the error condition that occurs when attempting to switch modes, here:
http://support.microsoft.com/kb/922976
• The article includes manual instructions for alleviating the problem, as
well as a FIXME tool which can help automate the task on some systems.
IRT.book Page 40 Thursday, June 21, 2012 2:25 PM
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