How to upgrade to the USB 2.0 Enhanced Host Controller driver in Windows XP Service Pack 1
If your computer supports USB 2.0, and you have a pre-installed USB 2.0 driver from the OEM, you can continue to use the earlier pre-installed drivers for USB 2.0. You can do this even after you install Windows XP Service Pack 1.
To upgrade to the USB 2.0 Enhanced Host Controller driver in Windows XP Service Pack 1, follow these steps:
1. Make sure that Windows XP Service Pack 1 is installed. Make sure that you have restarted your computer if you receive a message to do this.
For more information about Windows XP Service Pack 1, visit the following Microsoft Web site:
http://www.microsoft.com/windowsxp/down ... fault.mspx (
http://www.microsoft.com/windowsxp/down ... fault.mspx)
2. Open Device Manager. Locate Devices by Type.
To open Device Manager, either run Devmgmt.msc at a command prompt, or follow these steps:
1. Click Start, right-click My Computer, and then click Manage.
2. Expand System Tools, click Device Manager, and then click Devices by type on the View menu.
3. Right-click USB 2.0 EHCI Host controller, and then click Update Driver.
You can find the USB Host controller entry in either of the following locations:
* Universal Serial Bus Controllers.
* Other Devices
Note In the Other Devices location, the USB Host controller entry is labeled Universal Serial Bus controller with a yellow exclamation mark.
4. Click Install the software automatically (Recommended), and then click Next.
5. Click Finish when installation is finished.
Note You may receive a message to restart your computer to finish the installation.
