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How to start your computer by using the Last Known Good Configuration feature in Windows XP
Article ID: 307852 - View products that this article applies to.
This article was previously published under Q307852
This article describes how to use the Last Known Good Configuration feature in Windows XP. The Last Known Good Configuration feature is a recovery option that you can use to start your computer by using the most recent settings that worked. The Last Known Good Configuration feature restores registry information and driver settings that were in effect the last time the computer started successfully. Use the Last Known Good Configuration feature when you cannot start Windows XP after you make a change to your computer, or when you suspect that a change that you just made may cause a problem. For example, you can use this feature if you cannot start Windows XP after you install a new driver for your video adapter, or if you installed an incorrect driver and have not yet restarted your computer.
When you start your computer by using the Last Known Good Configuration feature, Windows XP restores information in the following registry key:
Note Any changes that were made to other registry keys remain.
For additional information about how to restore Windows XP, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/306084/ )How to restore Windows XP to a previous state
(http://support.microsoft.com/kb/306546/ )How to use the Driver Roll Back feature to restore a previous version of a device driver in Windows XP