Troubleshooting Scenarios And Solutions; Solving Minor Problems - HP xw4600 Service And Technical Reference Manual

Table 5-1 Diagnostic LED codes (continued)
Chassis indicator LEDs
Power LED and sound
activity
Blinks red 8 times (once per
second), then a 2-second
pause, and then 8 beeps
Blinks red 9 times (once per
second), then a 2-second
pause, and then 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 5-2 Minor problems
Problem
Workstation appears frozen
and does not shut down when
the power button is pressed.
Workstation seems to be
frozen.
Workstation date and time
display is incorrect.
Workstation appears to pause
periodically.
Cursor does not move using
the arrow keys on the keypad.
Poor performance is
experienced.
ENWW
Diagnosis and service action
Invalid ROM based on bad checksum.
1. Reflash the ROM.
2. Replace the 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 replacement.
Network driver is loaded and no
network connection is
established.
The Num Lock key might be on.
Processor is hot.
Hard drive is full.
Possible Solution
1. Press and hold the power button for at least four
seconds until the workstation shuts down.
2. Disconnect the electrical plug from outlet.
3. Restart the workstation.
1. Attempt the normal Windows shutdown procedure.
2. Restart the workstation using the power button.
1. Reset the date and time under the Control Panel.
2. Replace the RTC battery.
Establish a network connection, or use the Computer Setup
(F10) Utility or the Microsoft Windows Device Manager to
disable the network controller.
Press the Num Lock key. The Num Lock key can be
disabled (or enabled) in the Computer Setup (F10) Utility.
1. Be sure airflow to the workstation is not blocked.
2. Be sure the fans are connected and working properly
(some fans only operate when needed).
3. Be sure the processor heatsink is installed properly.
Transfer data from the hard drive to create more space on
the hard drive.
Customer Self Help 113