IBM HC10 Service Guide - Page 76

Monitor, video, problems

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Monitor or video problems The video monitor is a shared BladeCenter unit resource. First, make sure that the video monitor is assigned to the blade workstation; then, see the following table and "Solving shared BladeCenter resource problems" on page 75. 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, Type 7996," on page 11 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 Action The screen is blank. 1. Check the function of the shared BladeCenter unit resources (see "Solving shared BladeCenter resource problems" on page 75). 2. Make sure that: v Damaged BIOS code is not affecting the video; see "Recovering from a BIOS update failure" on page 74. Important: In some memory configurations, the 3-3-3 beep code might sound during POST followed by a blank display screen. If this occurs and the Boot Fail Count feature in the Start Options of the Configuration/Setup Utility program is set to Enabled (its default setting), you must restart the blade workstation three times to force the system BIOS to reset the memory connector or bank of connectors from Disabled to Enabled. v The device drivers are installed correctly. 3. (Trained service technician only) Replace the system board assembly The monitor has screen jitter, or 1. Check the function of the shared BladeCenter unit resources (see "Solving the screen image is wavy, shared BladeCenter resource problems" on page 75). unreadable, rolling, or distorted. 2. (Trained service technician only) Replace the system board assembly. Wrong characters appear on the 1. If the wrong language is displayed, update the firmware or operating system screen. with the correct language in the blade workstation that has ownership of the monitor. 2. Check the function of the shared BladeCenter unit resources (see "Solving shared BladeCenter resource problems" on page 75). 3. (Trained service technician only) Replace the system board assembly. 60 BladeCenter HC10 Type 7996: Problem Determination and Service Guide

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Monitor
or
video
problems
The
video
monitor
is
a
shared
BladeCenter
unit
resource.
First,
make
sure
that
the
video
monitor
is
assigned
to
the
blade
workstation;
then,
see
the
following
table
and
“Solving
shared
BladeCenter
resource
problems”
on
page
75.
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,
Type
7996,”
on
page
11
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
Action
The
screen
is
blank.
1.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
75).
2.
Make
sure
that:
v
Damaged
BIOS
code
is
not
affecting
the
video;
see
“Recovering
from
a
BIOS
update
failure”
on
page
74.
Important:
In
some
memory
configurations,
the
3-3-3
beep
code
might
sound
during
POST
followed
by
a
blank
display
screen.
If
this
occurs
and
the
Boot
Fail
Count
feature
in
the
Start
Options
of
the
Configuration/Setup
Utility
program
is
set
to
Enabled
(its
default
setting),
you
must
restart
the
blade
workstation
three
times
to
force
the
system
BIOS
to
reset
the
memory
connector
or
bank
of
connectors
from
Disabled
to
Enabled.
v
The
device
drivers
are
installed
correctly.
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly
The
monitor
has
screen
jitter,
or
the
screen
image
is
wavy,
unreadable,
rolling,
or
distorted.
1.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
75).
2.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
Wrong
characters
appear
on
the
screen.
1.
If
the
wrong
language
is
displayed,
update
the
firmware
or
operating
system
with
the
correct
language
in
the
blade
workstation
that
has
ownership
of
the
monitor.
2.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
75).
3.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
60
BladeCenter
HC10
Type
7996:
Problem
Determination
and
Service
Guide