Keyboard, mouse, or USB-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 Lenovo 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.
Table 1. Keyboard, mouse, or USB-device's symptoms and actions.

The keyboard, mouse, or USB-device's symptoms and actions table with one level of row and column headers.

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