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CD-ROM Does Not Run Automatically When Inserted

This article was previously published under Q177880
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 insert a CD-ROM into the CD-ROM drive, it may not be runautomatically.
This issue can occur if there is an incorrect value in the registry.
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.

To resolve this issue, use Registry Editor to locate the following key:
Modify the value for the NoDriveTypeAutoRun key to 0000 95 00 00 00 (or0x95 in Regedt32.exe).

After you make this change, quit Registry Editor and restart yourcomputer.
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Article ID: 177880 - Last Review: 01/22/2007 18:07:39 - Revision: 1.2

  • Microsoft Windows 98 Standard Edition
  • Microsoft Windows 95
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • kbenv kbprb KB177880