Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual page 188

Symptom
A USB device does not work.
174
ThinkServer RD450 User Guide and Hardware Maintenance Manual
Action
3. Replace the mouse or pointing device.
1. Ensure that:
• The USB cable is securely connected to the server.
If the USB device is connected to a USB hub,
disconnect the device from the hub and connect
it directly to the server.
• The device drivers are installed correctly.
• The USB controller is enabled in the Setup Utility
program. See "Using the Setup Utility program"
on page 47.
2. Restart the server.
3. Replace the USB device.