Chassis indicator LEDs
Power LED and sound
activity
Diagnosis and service action
4. Replace third-party modules with HP memory.
5. If necessary, replace the system board.
Blinks red 6 times (once per
second), then a 2-second
pause, and then 6 beeps
Pre-video graphic card error. Perform the following:
1. Reseat the graphic card and then power on the workstation.
2. Replace the graphics card.
3. If necessary, replace the system board.
Blinks red 7 times (once per
second), then a 2-second
pause, and then 7 beeps
System board failure (ROM detected a failure before video).
1. Reflash the system ROM (see
ROM Flash on page 36.).
2. If necessary, replace the system board.
Blinks red 8 times (once per
second), then a 2-second
pause, and then 8 beeps
Invalid system ROM based on bad checksum. Workstation enters FailSafe (Boot Block)
recovery mode. Perform the following:
1. Reflash the system ROM (see
FailSafe Boot Block ROM on page 36.).
2. If necessary, replace the system board.
Blinks red 9 times (once per
second), then a 2-second
pause, and then 9 beeps
System power is on, but workstation is unable to boot.
1. Replace the system board.
2. If necessary, replace the processor.
Troubleshooting scenarios and solutions
This section presents an extensive overview of various troubleshooting scenarios and includes possible
solutions for each.
NOTE: For Linux troubleshooting information, refer to the HP Workstations for Linux User Manual
at
http://www.hp.com/support/xw8600_manuals.
Solving minor problems
Table 5-2 Minor problems
Problem Cause Possible Solution
Workstation appears frozen
and does 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 the electrical plug from the outlet.
3. Restart the workstation.
Workstation seems to be
frozen.
Program in use has stopped
responding to commands.
1. If possible, use the Windows Task Manager to isolate
and terminate the offending process.
2. Attempt the normal Windows shutdown procedure.
3. Restart the workstation using the power button.
Workstation date and time
display is incorrect.
Real-time clock (RTC) battery
might need replacement.
1. Reset the date and time in the Control Panel.
2. Replace the RTC battery.
Table 5-1 Diagnostic LED codes (continued)
116 Chapter 5 System diagnostics and troubleshooting ENWW