Q: Why are my USB devices manfunctioning when starting or resuming the computer in Windows 2000 or Windows XP?
A:

According to Microsoft Knowledge Base, please update latest Service Pack or Hot Fix to fix this issue.

The following symptoms are for your reference:

  • Universal serial bus (USB) devices are not detected when you restart the computer.
  • USB devices are not detected after you resume the computer from hibernation or standby.
  • The computer uses 100 percent of CPU resources when you move the USB mouse.
  • The computer stops responding (hangs) when you resume the computer from standby when a USB mouse is connected.
  • The computer takes a long time to start or resume when a USB device is connected.
  • A yellow exclamation point with "Code 28" or "Code 31" appears on a USB device in Device Manager.
  • USB 2.0 Hi-Speed devices are detected as Full-Speed (USB 1.1) devices when your computer resumes from hibernation, even though they are plugged in to a USB 2.0-capable port.