Monitor or video problems
Use this information to diagnose and resolve monitor or video errors.
Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved.
The video monitor is a shared BladeCenter unit resource. First, make sure that the
video monitor is assigned to the blade server; then, see the following table and
“Solving shared BladeCenter resource problems” on page 217.
v
See Chapter 4, “Parts listing, Types 7871 and 1949,” on page 41 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 217).
2.
Make sure that the blade server is turned on (see “Turning on the blade
server” on page 13).
3.
Make sure that the monitor is connected properly. See the documentation for
your BladeCenter unit for more information.
4.
Make sure that:
v
Damaged BIOS code is not affecting the video; see “Recovering from a UEFI
update failure” on page 212.
v
The device drivers are installed correctly.
5.
Follow the UEFI recovery procedure in “Recovering from a UEFI update
failure” on page 212).
6.
(Trained service technician only) Replace the system-board assembly (see
“Removing the system-board assembly” on page 94 and “Installing the
system-board assembly” on page 95).
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 217).
2.
(Trained service technician only) Replace the system-board assembly (see
“Removing the system-board assembly” on page 94 and “Installing the
system-board assembly” on page 95).
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 server that has ownership of the
monitor.
2.
Check the function of the shared BladeCenter unit resources (see “Solving
shared BladeCenter resource problems” on page 217).
3.
(Trained service technician only) Replace the system-board assembly (see
“Removing the system-board assembly” on page 94 and “Installing the
system-board assembly” on page 95).
168
BladeCenter HS22V Type 7871 and 1949: Problem Determination and Service Guide
Summary of Contents for BladeCenter HS22V 7871
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