Keyboard or mouse problems

Use this information to lookup and resolve keyboard or mouse problems.

IBM updates the support website with the latest tips and techniques that you can use to resolve any problems. Go to the BladeCenter support search website at to see if any service bulletins have been generated. In the Search field, type 7875, retain tip, and chassis.

Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. The keyboard and mouse are shared BladeCenter unit resources. First, make sure that the keyboard and mouse are assigned to the blade server; then, see the following table and Solving shared BladeCenter resource problems.

  • See Parts listing to determine which components are consumable, structural, or CRU parts.
  • If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained technician.
Symptom Action
All keyboard and mouse problems.
  1. Make sure that the keyboard/video/mouse (KVM) select button LED on the front of the blade server is lit, indicating that the blade server is connected to the shared keyboard and mouse.
  2. Check the function of the shared BladeCenter unit resources (see Solving shared BladeCenter resource problems).
  3. Make sure that:
    • The device drivers are installed correctly. See Updating firmware and device drivers
    • The keyboard and mouse are recognized as USB, not PS/2, devices by the blade server. Although the keyboard and mouse might be a PS/2-style devices, communication with them is through USB in the BladeCenter unit. Some operating systems allow you to select the type of keyboard and mouse during installation of the operating system. If this is the case, select USB.
  4. (Trained technician only) Replace the system-board assembly - See Removing the system-board assembly and Installing the system-board assembly.