Expand category Universal Serial Bus controllers and find Intel® USB 3.0 eXtensible Host Controller. Note if the driver is missing or corrupted, you will see a yellow mark next to the device. Probably, the device name will be “Unknown USB Device”. Select Browse my computer for driver software. Right click on ' Standard PCI-to-USB extended host controller'. Click the tab 'Driver', and click 'Update Driver'. Choose 'Browse my computer for driver software'. Choose 'Let me pick from a list of device drivers on my computer'. Select 'NVIDIA USB 2.0 Enhanced Host Controller'. Finish the installation. To download the proper driver, first choose your operating system, then find your device name and click the download button. If you could not find the exact driver for your hardware device or you aren't sure which driver is right one, we have a program that will detect your hardware specifications and identify the correct driver for your needs.

Hi,

1.Have any USB or external drives worked on your computer?

2.What is the make and model of your computer?

3.Do you get any error messages while connecting any USB devices to your computer or in device manager?

4.Is any USB device being detected or can be viewed in windows explorer?

Please follow the methods listed below and check if it helps.

Method 1: My Drive does not appear in Windows Explorer view

Method 2: Uninstall and reinstall USB drivers

As all the hardware devices have drivers associated, similarly USB devices also have it. Sometimes proper drivers are not detected after the initial installation so reinstallation of the drivers helps resolve the issues.

You may check after uninstalling and reinstalling the USB drivers if you are able to connect. You may disconnect all USB devices and then perform the following steps:

a)Click on Start, and then click Control Panel.

b)Click on System and Maintenance, click System, and then click Device Manager.

c)Note If Control Panel is in Classic View, double-click System, and then click Device Manager.

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d)If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

e)In Device Manager, double click to expand 'Universal Serial Bus controllers', right click on the Host Controller, click 'Uninstall' and click 'OK'.
Check if at all there is an exclamation mark along the driver, it suggests issues with the driver installed.

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f)Repeat the step 2 to uninstall all items under 'Universal Serial Bus controllers'.

Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.

If the issue sill persists, I would request you to check for chipset driver updates that you can get at the manufacturer website. The chipset drivers normally incorporate USB controller drivers as well.

Hope this helps.