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Windows 98 > Troubleshooting Windows 98

USB Devices May Not Work in Windows 98 Second Edition


Universal Serial Bus (USB) devices that are plugged in to a computer running Microsoft Windows 98 Second Edition may not work if the your computer uses the following hardware components:

  • An AMD processor (running at 350 MHz or faster)
  • A VIA Technologies USB controller

This behavior occurs because there is a timing-specific problem in the Universal Host Controller driver (Uhcd.sys), which may prevent USB devices from enumerating under specific timing conditions. To resolve this issue, download and run the appropriate file for your language version of Windows. The following files are available for download from the Microsoft Download Center: