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After you upgrade to Windows XP Service Pack 1 (SP1), you may experience problems when you try to use your digital video (DV) camera. The Panasonic NV-C5 DV camera may not be enumerated correctly when you plug it into your computer. The camcorder driver is not loaded, but no error messages are reported. You hear the new-device-enumeration sound and you see the new-device bubble, but only the lower drivers in the stack are loaded. Without the top-level camcorder driver, the device does not seem to be discovered by Windows.
Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack
The following files are available for download from the Microsoft Download Center:
Windows XP Home Edition and Windows XP Professional:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft Support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name Platform --------------------------------------------------------------- 09-Nov-2002 07:47 5.1.2600.1142 36,224 Avc.sys 32-bit 09-Nov-2002 08:55 5.1.2600.1142 129,152 Avc.sys 64-bit
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows XP Service Pack 2.
This enumeration problem is known to occur with the following Panasonic DV cameras series, but may not be limited to these: