General Problems - HP Xw4300 - Workstation - 2 GB RAM Troubleshooting Manual

General problems

You might be able to easily resolve the general problems described in this section. If a problem persists
and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation,
contact an HP customer care center, or contact an authorized dealer or reseller. For a list of support
telephone numbers for your region, visit http://www.hp.com/support, select your region, and click
Contact HP in the upper-left corner.
Table 5-1
Problem
Workstation appears locked
up and will not turn off when
the power button is pressed.
Workstation will not respond
to USB keyboard or mouse.
Workstation date and time
display is incorrect.
Workstation pauses
periodically.
Cursor will not move using
the arrow keys on the
keypad.
Cannot remove workstation
cover or access panel.
Poor performance is
experienced.
40 Chapter 5 Troubleshooting
General installation problems
Software control of the
power switch is not
functional.
Workstation is in
Standby mode.
RTC (real-time clock) battery
might need to be replaced.
NOTE: Connecting the
workstation to a live AC
outlet prolongs the life of the
RTC battery.
Network driver is loaded and
no network connection is
established.
The Num Lock
might be on.
Solenoid hood lock, featured
on some systems, is locked.
The panel is locked
(xw6000/xw8000/xw9000
series).
Processor is hot.
Hard drive is full.
The user has memory
installed in a single channel
instead of in both channels.
Cause
Press and hold the power button for at least four seconds until the
workstation turns off.
Press the power button to resume from standby mode.
CAUTION:
down the power button for more than four seconds. Otherwise, the
workstation shuts down and you might lose your data.
Reset the date and time using Computer Setup (F10). If the problem
persists, replace the RTC battery. See the Service and Technical
Reference Guide for instructions on installing a new battery, or contact
an authorized dealer or reseller for RTC battery replacement.
Establish a network connection, or use Computer Setup (F10) to disable
the network controller.
key Press the
to use the arrow keys. The Num Lock key can be disabled (or enabled)
in Computer Setup (F10).
Unlock the solenoid hood lock using Computer Setup (F10). The solenoid
hood lock FailSafe Key, a device for manually disabling the solenoid hood
lock, is available from HP. You will need the FailSafe Key in case of
forgotten password, power loss, or workstation malfunction. (This solution
not applicable to the xw8000/xw9000 series.)
Use the key located on the back of the unit to unlock the panel.
1. Make sure the airflow to and from the workstation is not blocked.
2. Make sure the fans are connected and working properly.
3. Make sure the processor heatsink is installed properly.
Transfer data from the hard drive to create more space on the hard drive.
Ensure DIMMs are matched and installed in both memory channels for
best performance.
Solution
When attempting to resume from standby mode, do not hold
Num Lock key. The Num Lock light should not be on if you want
ENWW