Microsoft KB Archive/256300

= USB Input Devices Do Not Work in Safe Mode or Real Mode =

Article ID: 256300

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Windows Millennium Edition

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This article was previously published under Q256300



If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware:

http://support.microsoft.com/default.aspx/w98?sid=460



SYMPTOMS
When you run Windows Millennium Edition (Me) Setup from a command prompt, run Windows Me in Safe mode, or start your computer with a Windows Me Startup disk, Universal Serial Bus (USB) input devices (keyboard, mouse, and so on) may not work.



CAUSE
USB input devices require USB legacy emulation to work correctly in Real mode (MS-DOS) and Safe mode.



RESOLUTION
You can enable this hardware support in your computer BIOS settings if your computer BIOS supports it. For information about whether your hardware supports USB legacy emulation, view the documentation that is included with your computer, or contact your hardware manufacturer. For information about how to contact your hardware manufacturer, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and Software Third-Party Vendor Contact List, A-K

60781 Hardware and Software Third-Party Vendor Contact List, L-P

60782 Hardware and Software Third-Party Vendor Contact List, Q-Z



WORKAROUND
To work around this behavior, connect a standard PS/2 keyboard or mouse to the PS/2 port in the back of the computer, and then reboot the computer.



MORE INFORMATION
Windows Me does not load drivers in Real mode or Safe mode for USB host controllers and USB devices that are attached to the USB ports.

Additional query words: HWUSB

Keywords: kbfaq kbhardware kbprb kbui KB256300

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