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Unknown device in the system i have unknown device disable .what should i do?

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It is driver of your motherboard missing files, try to re install the driver..

hope this may help;

Regards,
VOTIT

Posted on Jul 30, 2008

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How To Identify Unknown Devices In Your Device Manager


Unknown Device Identifier enables you to identify Unknown Devices with the yellow question mark label in your Device Manager and reports a detailed summary including the manufacturer name, OEM name, device type, device model and even the exact name of the unknown devices. With this information you might contact your hardware manufacturer for support or search the Internet for drivers. Known devices recognized by Microsoft Windows will also be analyzed independent of the operating system.<br /><br />Supported Operating Systems include: Windows 95, Windows 98, Windows 98SE, Windows Me, Windows 2000, Windows XP, Windows Server 2003, Windows Server 2008, Windows Vista, and Windows 7<br /> <ol> <li><a href="http://www.zhangduo.com/UnknownDeviceIdentifier.exe">Download Now (HTTP)</a> Size: 948KB (971,455 bytes)</li> <li>When download completes, install Unknown Device Identifier.</li> <li>Open the Unknown Device Identifier when the installation completes and wait for the program to finish Analyzing all devices on your system.</li> <li>When the Analysis is complete, find your Unidentified Device in the list of devices.</li> <li>Click the + sign next to your Unidentified Device, and use the Chip, Vendor and Device information to find and download drivers for your device.</li></ol>

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