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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 chassis 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 269.
• See "Parts listing - BladeCenter HX5" on page 57 to determine which components are CRUs and which
components are FRUs.
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
The screen is blank.
The monitor has screen jitter,
or the screen image is wavy,
unreadable, rolling, or
distorted.
Wrong characters appear on
the screen.
Network connection problems
Use this information to diagnose and resolve network connection errors.
IBM continually updates the support website with tips and techniques that you can use to resolve any
problems that you might be having with the BladeCenter HX5 blade server. Go to the BladeCenter support
search website at http://www.ibm.com to see if any service bulletins have been generated. In the Search
field, enter the following terms: 7872, retain tip, and network.
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved. The blade server connects to the network by using shared BladeCenter chassis resources. See the
following table and "Solving shared BladeCenter resource problems" on page 269.
Action
1. Check the function of the shared BladeCenter chassis resources (see "Solving
shared BladeCenter resource problems" on page 269).
2. Make sure that the blade server is turned on (see "Turning on the blade server"
on page 11).
3. Make sure that the monitor is connected correctly. See the documentation for
your BladeCenter chassis for more information.
4. Make sure that:
• Damaged UEFI code is not affecting the video; see "Recovering from a UEFI
update failure" on page 49.
• The device drivers are installed correctly.
5. (Trained service technician only) Replace the system-board assembly (see
"Removing the system-board assembly - BladeCenter HX5" on page 140 and
"Installing the system-board assembly - BladeCenter HX5" on page 142).
1. Check the function of the shared BladeCenter chassis resources (see "Solving
shared BladeCenter resource problems" on page 269).
2. (Trained service technician only) Replace the system-board assembly (see
"Removing the system-board assembly - BladeCenter HX5" on page 140 and
"Installing the system-board assembly - BladeCenter HX5" on page 142).
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 chassis resources (see "Solving
shared BladeCenter resource problems" on page 269).
3. (Trained service technician only) Replace the system-board assembly (see
"Removing the system-board assembly - BladeCenter HX5" on page 140 and
"Installing the system-board assembly - BladeCenter HX5" on page 142).
.
259
Chapter 5
Diagnostics
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