CD-ROM Drive or DVD-ROM Drive Missing After You Install Windows XP
The information in this article applies to:
Microsoft Windows XP Professional
Microsoft Windows XP Home Edition
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:
Q256986 Description of the Microsoft Windows Registry
After you install Microsoft Windows XP, the CD-ROM drive, the DVD-ROM drive, or CD-ROM R/W drive may not be visible in the My Computer window. Additionally, there may be question marks on the devices that are listed under CD-ROM drives in Device Manager.
An incorrect device driver was installed for the CD-ROM device.
To resolve this behavior, use the following methods in the order in which they are presented.
Method 1: Remove Registry Entry
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.
Click Start, and then click Run.
In the Open box, type regedit, and then click OK.
Locate the following registry subkey:
On the File menu, click Export.
In the File name box, type savedkey, and then click Save.
Click the REG_MULTI_SZ data type UpperFilters, and then click Delete on the Edit menu. When you are prompted to confirm the deletion, click Yes. NOTE: If this data type is missing, continue to the next method.
Click the REG_MULTI_SZ data type LowerFilters, and then click Delete on the Edit menu. When you are prompted to confirm the deletion, click Yes.
Quit the Registry Editor, and then restart the computer.
Method 2: Replace Existing Driver
Click Start, and then click Control Panel.
If Control Panel is in Category view, click Performance and Maintenance, and then click System.
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