Troubleshooting Scenarios And Solutions; Solving Minor Problems - HP Xw4400 - Workstation - 2 GB RAM Reference Manual

Table 5-2 Diagnostic LED codes (continued)
Chassis indicator LEDs
Power LED and sound
activity
Blinks red 5 times, once per
second, then 2-second pause,
5 beeps
Blinks red 6 times, once per
second, then 2-second pause,
6 beeps
Blinks red 7 times, once per
second, then 2-second pause,
7 beeps.
Blinks red 8 times, once per
second, then 2-second pause,
8 beeps
Blinks red 9 times, once per
second, then 2-second pause,
9 beeps

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
Workstation appears locked
up and will not shut down when
the power button is pressed.
Workstation seems to be
locked up.
Workstation date and time
display is incorrect.
108 Chapter 5 System diagnostics and troubleshooting
Diagnosis and service action
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.
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.
System board failure (ROM detected failure before video). Replace system board.
Invalid ROM based on bad checksum.
1. Reflash ROM.
2. Replace system board.
System powers on but is unable to boot.
1. Replace the system board.
2. Replace the processor.
Cause
Software control of the power
switch is not functional.
Program in use has stopped
responding to commands.
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.
ENWW