Troubleshooting Scenarios And Solutions; Solving Minor Problems - HP xw4300 Service And Technical Reference Manual

5.7

Troubleshooting Scenarios and Solutions

This section presents an extensive overview of various troubleshooting scenarios and includes possible solutions for each.
5.7.1

Solving Minor Problems

Table 5-3 Solving Minor Problems
Problem
Workstation appears locked up
and does not turn off when the
power button is pressed.
Workstation will not respond to
USB keyboard or mouse.
CAUTION: When attempting to resume from Standby mode, do not hold down the power button for more than four
seconds. Otherwise, the workstation will shut down and you will lose your data.
Workstation seems to be locked
up.
Workstation does not retain
date and time when powered
off.
Workstation appears to pause
periodically.
Cursor does not move using the
arrow keys on the keypad.
Poor performance is
experienced.
Workstation powered off
automatically and beeps and
blink RED twice.
Cause
Software control of the power
switch is not functional.
Workstation is in Standby mode.
Program in use has stopped
responding to commands.
Real-time clock (RTC) battery might
need to be replaced.
Network driver is loaded and no
network connection is established.
The Num Lock key might be on.
Processor is hot.
There is not enough memory.
Hard drive is full.
Processor thermal protection
activated:
A fan might be blocked or not
turning.
OR
The CPU heatsink is not properly
attached to the processor.
Possible Solution
1. Press and hold the power button for at least four seconds
until the workstation turns off.
2. Disconnect the electrical plug from outlet.
Press the power button to resume from Standby mode.
1. Attempt the normal shutdown procedure.
2. Press the power button for four or more seconds to turn
off the power.
3. Restart the workstation using the power button.
1. For Windows, open the control panel and reset the date
and time.
2. Replace the RTC battery.
Establish a network connection, or use Computer Setup or
Microsoft Windows Device Manager to disable the network
controller.
Press the Num Lock key. The Num Lock key can be
disabled (or enabled) in Computer Setup.
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 CPU heatsink is installed properly.
Add more memory.
Transfer data from the hard drive to create more space on
the hard drive.
1. Be sure workstation air vents are not blocked and the
cooling fan is running.
2. Open hood, press power button, and see if the processor
fan spins. If not spinning, be sure the fan's cable is
plugged onto the system board header. Be sure the fan is
fully/properly seated or installed.
3. Replace the processor fan.
4. Reseat CPU heatsink and verify that the fan assembly is
properly attached.
101