IBM IntelliStation M Pro 6218, Problem Determination And Service Manual

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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,” on page 65 to determine which components are customer replaceable units
(CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The USB mouse or USB
pointing device does not work.
1. Make sure that:
v
The mouse or pointing-device USB cable is securely connected to the
computer.
v The mouse or pointing device drivers are installed correctly.
v Keyboardless operation has been enabled in the Configuration/Setup Utility
program.
2. If a USB hub is in use, disconnect the USB device from the hub and connect it
directly to the computer.
3. Replace the following components one at a time, in the order shown, restarting
the computer each time:
a. Mouse or pointing device
b. (Trained service technician only) System board
A USB device does not work.
1. Run the USB diagnostics (see “Running the diagnostic programs” on page 38).
2. Make sure that:
v The correct USB device driver is installed.
v
The operating system supports USB devices.
v A standard PS/2 keyboard or mouse is not connected to the computer. If it
is, a USB keyboard or mouse will not work during POST.
3. Make sure that the USB configuration options are set correctly in the
Configuration/Setup Utility program menu (see the User’s Guide for more
information).
4. If you are using a USB hub, disconnect the USB device from the hub and
connect it directly to the computer.
Chapter 2. Diagnostics
37