Unknown Device shows up in Device Manager

Problem Description:

"Unknown Device" with Device instance ID " ACPI\WEC0518\4&61F3B4B&0 " shows up in Device manager, but all drivers are installed.

Cause of the Problem:

This device is a WinBond SD Card Reader, and sometimes with a certain combination of hardware and software does not always show up as being installed.

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Resolution/Fix:

Installing the correct driver for your system will resolve the issue.

This is most common on HP/Compaq systems, as other systems are discovered to have this issue links for those will be posted here.

HP/Compaq:

http://h10025.www1.hp.com/ewfrf/wc/genericSoftwareDownloadIndex?cc=us&dlc=en&lc=en&softwareitem=hb-13086-1&jumpid=reg_R1002_USEN

Related Programs and Devices:
HP , Compaq , SD Card , Unknown Device , Windows XP , Windows 2000

Last Updated: 03/01/2008 04:02 AM