Troubleshooting Scenarios And Solutions; Solving Minor Problems - HP Xw9400 - Workstation - 16 GB RAM Reference Manual

Table 6-2 Diagnostic LED codes (continued)
Power LED and Sound
Activity
Blinks red/beeps seven
times, once per second,
then a two-second pause
Blinks red/beeps eight
times, once per second,
then a two-second pause
Blinks red/beeps nine
times, once per second,
then a two-second pause
* Refer to the Service and Technical Reference Guide for your workstation for BIST information.

Troubleshooting scenarios and solutions

This section presents an extensive overview of various troubleshooting scenarios and includes possible
solutions for each.

Solving minor problems

Table 6-3 Minor problems
Problem
Workstation seems to be
locked up.
Workstation appears
locked up and will not
turn off when the power
button is pressed.
ENWW
Chassis Indicator LEDs
Diagnosis and Service Action
CAUTION: Disconnect AC power from the workstation before reseating or
replacing components because there is power to the system board even
when the workstation is powered down.
System board failure (ROM detected failure before video).
1. Clear CMOS by pressing the Clear CMOS button on the system board.
2. Replace system board.
CAUTION: Disconnect AC power from the workstation before reseating or
replacing components because there is power to the system board even
when the workstation is powered down.
Invalid ROM based on bad checksum.
1. Clear CMOS by pressing the Clear CMOS button on the system board.
2. Upgrade the ROM using a ROMPaq diskette, CD, diskette, or USB
removable device (e.g., HP Drive Key). See the ROM Flash section of
the Service and Technical Reference Guide at
support/workstation_manuals.
3. Replace system board.
CAUTION: Disconnect AC power from the workstation before reseating or
replacing components because there is power to the system board even
when the workstation is powered down.
System powers on but is unable to boot.
1. Replace the processor.
2. Replace the system board.
Cause
Program in use has
stopped responding to
commands.
Software control of the
power switch is not
functional.
Possible Solution
1. Attempt the normal Windows shut down
procedure.
2. Restart the workstation using the power
button.
1. Press and hold the power button for at least
four seconds until the workstation turns off.
2. Disconnect electrical plug from outlet.
Troubleshooting scenarios and solutions 137
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