Keyboard Or Mouse Problems; Media Tray Problems - IBM 8853L6U Service Manual

Keyboard or mouse problems

To check for keyboard or mouse problems, complete the following steps until the
problem is solved:
1. Make sure that:
2. Check for correct management-module operation (see the documentation for
3. Replace the keyboard or mouse.
4. Replace the management module (see the documentation for your BladeCenter
If these steps do not resolve the problem, it is likely a problem with the blade
server. See "Keyboard or mouse problems" on page 82.

Media tray problems

To check for problems with the media tray (removable media drives and USB ports),
complete the following steps until the problem is solved:
1. Make sure that:
2. Check if the problem affects more than one media tray component:
3. For problems affecting only a USB port:
v Both the blade server and the monitor are turned on.
v 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.
v The keyboard or mouse cable is securely connected to the active
BladeCenter management-module.
v The keyboard or mouse works with another blade server.
your BladeCenter unit).
Note: Some BladeCenter unit types have several management-module
components that might need to be tested or replaced (see the Installation Guide
for your management module for more information).
unit).
v The media-tray select button LED on the front of the blade server is lit,
indicating that the blade server is connected to the shared media tray.
v The media tray devices work with another blade server.
v USB ports
v Diskette drive
v CD or DVD drive
a. Make sure that the USB device is operational. If using a USB hub, make
sure that the hub is operating correctly and that any software the hub
requires is installed. Plug the USB device directly into the USB port,
bypassing the hub, to check its operation.
b. Reseat the following components:
1) USB device cable
2) Media tray cable (if applicable)
3) Media tray
c. Replace the following components one at a time, in the order shown,
restarting the blade server each time:
1) USB cable (if applicable)
2) Media tray cable (if applicable)
3) Media tray
d. Continue with step 7.
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Chapter 5. Diagnostics