Keyboard Or Mouse Problems - IBM 8853L6U Service Manual

Keyboard or mouse problems

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" on page 108.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Types 1885 and 8853," on page 15 to determine which components are CRUs
and which components are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
All keyboard and mouse
problems.
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BladeCenter HS21 Types 1885 and 8853: Problem Determination and Service Guide
Action
1. Make sure that the keyboard/video/mouse 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" on page 108).
3. Make sure that:
v The device drivers are installed correctly.
v 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 service technician only) Replace the system board assembly.