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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
When you restart your computer after you install a new hard disk, you may experience the following behaviors:
You receive the following error message:
One of the filter drivers installed for this device is invalid.
The Found New Hardware Wizard unexpectedly starts.
Additionally, you may find that a yellow exclamation mark appears next to the hard disk when you view the hard disk in Device Manager, or a drive letter that represents the hard disk does not appear in either Windows Explorer or in Disk Management.
This problem may occur if there are one or more filter driver entries in the Windows registry that prevent the hard disk from installing correctly.
To resolve this issue, follow these steps:
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
registry values (if they exist) in the following registry key: