IBM HS12 Service Guide - Page 130

Monitor or video problems

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v See Chapter 4, "Parts listing, Types 8014, 8028 and 1916," on page 25 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 blade server emits a continuous beep during POST, indicating that the startup (boot) microprocessor is not working correctly. 1. (Trained service technician only) Reseat the microprocessor - See "Removing a microprocessor and heat sink" on page 60 and "Installing a microprocessor and heat sink" on page 62. 2. (Trained service technician only) Replace the microprocessor - See "Removing a microprocessor and heat sink" on page 60 and "Installing a microprocessor and heat sink" on page 62. 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 167. v See Chapter 4, "Parts listing, Types 8014, 8028 and 1916," on page 25 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 167). 2. Make sure that: v Damaged BIOS code is not affecting the video; see "Recovering from a BIOS update failure" on page 165. Important: In some memory configurations, the 3-3-3 beep code might sound during POST, followed by a blank monitor screen. If this occurs and the Boot Fail Count option in the Start Options of the Configuration/Setup Utility program is enabled, you must restart the blade server three times to reset the configuration settings to the default configuration (the memory connector or band of connectors 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 167). 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 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 167). 3. (Trained service technician only) Replace the system-board assembly. 118 BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide

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v
See Chapter 4, “Parts listing, Types 8014, 8028 and 1916,” on page 25 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 blade server emits a
continuous beep during POST,
indicating that the startup
(boot) microprocessor is not
working correctly.
1.
(Trained service technician only) Reseat the microprocessor - See “Removing a
microprocessor and heat sink” on page 60 and “Installing a microprocessor
and heat sink” on page 62.
2.
(Trained service technician only) Replace the microprocessor - See “Removing
a microprocessor and heat sink” on page 60 and “Installing a microprocessor
and heat sink” on page 62.
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 167.
v
See Chapter 4, “Parts listing, Types 8014, 8028 and 1916,” on page 25 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 167).
2.
Make sure that:
v
Damaged BIOS code is not affecting the video; see “Recovering from a BIOS
update failure” on page 165.
Important:
In some memory configurations, the 3-3-3 beep code might
sound during POST, followed by a blank monitor screen. If this occurs and
the
Boot Fail Count
option in the
Start Options
of the Configuration/Setup
Utility program is enabled, you must restart the blade server three times to
reset the configuration settings to the default configuration (the memory
connector or band of connectors 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 167).
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 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 167).
3.
(Trained service technician only) Replace the system-board assembly.
118
BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide