HP Xw4400 HP xw4400 Workstation - Service and Technical Reference Guide - Page 118

Troubleshooting scenarios and solutions, Solving minor problems - workstation 6 beeps

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Table 5-2 Diagnostic LED codes (continued) Chassis indicator LEDs Power LED and sound activity Diagnosis and service action Blinks red 5 times, once per Pre-video memory error. second, then 2-second pause, 5 beeps 1. Reseat memory modules. 2. Replace memory modules one at a time to find the faulty module. 3. Replace third-party modules with HP memory. 4. Replace system board. Blinks red 6 times, once per second, then 2-second pause, 6 beeps Pre-video graphic card error. For systems with integrated graphics, replace system board. For systems with graphic cards: 1. Reseat the graphic card. Power on the system. 2. Replace the graphic card. 3. Replace the system board. Blinks red 7 times, once per System board failure (ROM detected failure before video). Replace system board. second, then 2-second pause, 7 beeps. Blinks red 8 times, once per Invalid ROM based on bad checksum. second, then 2-second pause, 8 beeps 1. Reflash ROM. 2. Replace system board. Blinks red 9 times, once per System powers on but is unable to boot. second, then 2-second pause, 9 beeps 1. Replace the system board. 2. Replace the processor. Troubleshooting scenarios and solutions This section presents an extensive overview of various troubleshooting scenarios and includes possible solutions for each. Solving minor problems Table 5-3 Minor problems Problem Cause Workstation appears locked Software control of the power up and will not shut down when switch is not functional. the power button is pressed. Workstation seems to be locked up. Program in use has stopped responding to commands. Workstation date and time display is incorrect. Real-time clock (RTC) battery might need to be replaced. Possible Solution 1. Press and hold the power button for at least four seconds until the workstation shuts down. 2. Disconnect electrical plug from outlet. 1. Attempt the normal Windows shutdown procedure. 2. Restart the workstation using the power button. 1. Reset the date and time under Control Panel. 2. Replace the RTC battery. 108 Chapter 5 System diagnostics and troubleshooting ENWW

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Chassis indicator LEDs
Power LED and sound
activity
Diagnosis and service action
Blinks red 5 times, once per
second, then 2-second pause,
5 beeps
Pre-video memory error.
1.
Reseat memory modules.
2.
Replace memory modules one at a time to find the faulty module.
3.
Replace third-party modules with HP memory.
4.
Replace system board.
Blinks red 6 times, once per
second, then 2-second pause,
6 beeps
Pre-video graphic card error. For systems with integrated graphics, replace system
board. For systems with graphic cards:
1.
Reseat the graphic card. Power on the system.
2.
Replace the graphic card.
3.
Replace the system board.
Blinks red 7 times, once per
second, then 2-second pause,
7 beeps.
System board failure (ROM detected failure before video). Replace system board.
Blinks red 8 times, once per
second, then 2-second pause,
8 beeps
Invalid ROM based on bad checksum.
1.
Reflash ROM.
2.
Replace system board.
Blinks red 9 times, once per
second, then 2-second pause,
9 beeps
System powers on but is unable to boot.
1.
Replace the system board.
2.
Replace the processor.
Troubleshooting scenarios and solutions
This section presents an extensive overview of various troubleshooting scenarios and includes possible
solutions for each.
Solving minor problems
Table 5-3
Minor problems
Problem
Cause
Possible Solution
Workstation appears locked
up and will not shut down when
the power button is pressed.
Software control of the power
switch is not functional.
1.
Press and hold the power button for at least four
seconds until the workstation shuts down.
2.
Disconnect electrical plug from outlet.
Workstation seems to be
locked up.
Program in use has stopped
responding to commands.
1.
Attempt the normal Windows shutdown procedure.
2.
Restart the workstation using the power button.
Workstation date and time
display is incorrect.
Real-time clock (RTC) battery
might need to be replaced.
1.
Reset the date and time under Control Panel.
2.
Replace the RTC battery.
Table 5-2
Diagnostic LED codes (continued)
108
Chapter 5
System diagnostics and troubleshooting
ENWW