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What I can do for you is showing you the information below,wish for help.
The main reason for Unknown Device to display in your Device Manager is because you have a device that is not working correctly. To fix this issue, obtain an updated driver for the device.
Use the following methods to enable Windows to recognize your device.
Method 1: Windows Update
Visit the following Microsoft Web site to see whether the Web site autodetects an updated driver for your device. Install all recommended drivers.
Method 2: Download and install the latest driver from the internet
When you download a driver from the Internet, download the Windows XP version of the driver when multiple Windows versions are listed. Use one of the following options:
* Visit the Web site of the computer manufacturer if the device came with the computer.
* Visit the Web site of the device manufacturer if the device was installed after you purchased your computer.
* Visit the Web site of the device manufacturer if the device was preinstalled on your computer and the computer manufacturer does not have an updated driver.
Look for a Drivers section or a Download section on the manufacturer's Web site, and search for the device name. Download and install the Windows XP version of the driver.
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