Windows server 2003 usb unknown device

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Plans and Pricing. This method resolves steps where the currently loaded USB driver has become unstable or corrupted. This method updates your motherboard's chipset drivers, so your computer will recognize your USB external hard drive.

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Then please reboot to see if the USB device can be recognized. If still not, perform following steps to help collect some log files:. Please locate the file setupapi. Please locate the file infcache. Please connect the USB devices to the computer and rebuild the setupapi. Connect the USB devices to the computer. A new Setupapi. Please also collect related registry keys. Right-click on the key CurrentControlSet and select Export.

Locate the saved file ControlSet. A compressed file with the same name controlset. File can be uploaded to Skydrive if you accept. Or I can provide other steps to send files to me. Step 1: First of all you can check Disk Management to see if the drive is detected there:. Right-click on Computer , select Manage, select Disk Management.

Check the upper and lower windows to find whether the drive is detected. If the drive is detected, then right click on the flash drive or thumb drive and then choose change drive letter and paths to assign a new path.

If the external drive is not detected, please try connecting the external drive to another PC to check if the device is working there. Open Device Manager , type Devmgmt. Click Devices by type on the View menu. Right-click on the Unknown Devices, and then click Update Driver. You can find the entry in either of the following locations:. Note In the Other Devices location, the entry is labeled Universal Serial Bus controller with a yellow exclamation mark.

Click Install the software automatically Recommended , and then click Next. Click Finish when installation is finished. Restart the Computer. You may also refer the Manufacturer website and install the latest drivers available for the device. Was this reply helpful? Yes No. Sorry this didn't help.

Thanks for your feedback. The unnamed drive has a blank blue box in the volume column in the upper window. The unnamed drive is shaded crosshatched in the lower window. When I right-click on it in either window the only choice is Help. Also, an unknown device keeps being re-installed every few minutes, even after I uninstall it in Device Manager. What is this? This has happened when nothing was plugged into a USB port except the mouse.

When I plug in the thumb drive after uninstalling all unknown devices two unknown devices appear in Device Manager. When I unplug the thumb drive, only one device disappears.

Windows has determined that the driver software for your device is up to date.