Keyboard, mouse, or USB-device problems

Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.

Two column table for documenting the symptom and the corresponding action for keyboard, mouse, or pointing-device problems.

  • Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained technician.
  • Go to the support website at the Lenovo Support Portal to check for technical information, hints, tips, and new device drivers or to submit a request for information.
Symptom Action
All or some keys on the keyboard do not work.
  1. Make sure that:
    • The keyboard cable is securely connected.
    • The server and the monitor are turned on.
  2. If you are using a USB keyboard, run the Setup Utility and enable keyboardless operation.
  3. If you are using a USB keyboard and it is connected to a USB hub, disconnect the keyboard from the hub and connect it directly to the server.
  4. Replace the keyboard.
The mouse or USB-device does not work.
  1. Make sure that:
    • The mouse or USB device cable is securely connected to the server.
    • The mouse or USB device drivers are installed correctly.
    • The server and the monitor are turned on.
    • The mouse option is enabled in the Setup Utility.
  2. If you are using a USB mouse or USB device and it is connected to a USB hub, disconnect the mouse or USB device from the hub and connect it directly to the server.
  3. Replace the mouse or USB-device.
Parent topic: Troubleshooting by symptom