Monitor Or Video Problems; Power Problems - IBM 87401RU Installation And User Manual

Monitor or video problems

Note: These symptoms apply only to the monitor that is connected to the
Some IBM monitors have their own self-tests. If you suspect a problem with your
monitor, see the documentation that comes with the monitor for instructions for
testing and adjusting the monitor.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the BladeCenter HT Problem Determination and Service Guide 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
The monitor is not working

Power problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the BladeCenter HT Problem Determination and Service Guide 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
The BladeCenter HT unit does
not start.
management module; they do not apply to the remote console.
Action
1. Make sure that:
v The monitor is turned on and the brightness and contrast controls are
adjusted correctly.
v The monitor is connected to the active management module.
v The blade server that owns the KVM is turned on.
v The KVM is owned by a blade server that supports KVM.
2. Reseat the monitor cable.
3. Call for service.
Action
1. Make sure that:
a. All power cords are connected to a compatible power source and that the
power sources are working (see "Supplying power to the BladeCenter HT
unit" on page 13).
b. The input power and output power LEDs on the power modules are lit.
2. If you just installed an optional device, remove it. If the BladeCenter HT unit
now starts, you might have installed more devices than the power modules
support. You might have to install power modules in power-module bays 3 and
4.
3. If the problem remains, see the BladeCenter HT Problem Determination and
Service Guide for more information.
Chapter 7. Solving problems
71