Troubleshooting Checklist; Led Color Definitions; Hp Insight Diagnostics Offline Edition; System Diagnostics And Troubleshooting - HP Xw8400 - Workstation - 4 GB RAM Technical Reference Manual

Troubleshooting checklist

Before running any of the diagnostic utilities, use the following checklist to find possible solutions for
workstation or software problems.
● Are the workstation and monitor connected to a working electrical outlet?
●
Is the workstation powered on?
●
Is the green power light illuminated?
●
Is the monitor powered on?
●
Is the green monitor light illuminated?
●
Adjust the monitor brightness and contrast controls if the monitor is dim.
●
Press and hold any key. If the system beeps, then the keyboard is operating correctly.
●
Examine all cables for loose or incorrect connections.
●
Reconfigure the workstation after installing a non-PNP (positive-negative-positive) expansion
board or other option, such as a diskette drive.
● Are all of the necessary device drivers installed?
●
Have all printer drivers been installed for each application?
● Remove all diskettes and CDs from the drives before you power on the system.
●
Are you running the latest BIOS version, drivers, and/or software updates?

LED color definitions

The front panel LED indicates system status as described in the following table.
Table 5-1 Front panel LED color definitions
LED State
Solid
Blinking
Solid or blinking
None

HP Insight Diagnostics Offline Edition

The HP Insight Diagnostics utility enables you to perform testing and to view critical computer hardware
and software configuration information from various sources. This utility enables you to:
●
Run diagnostics.
● View the hardware configuration of the system.
102 Chapter 5 System diagnostics and troubleshooting
LED Color
Green System is on.
Green System is in Standby mode.
Red System has an error. See
on page
No light System is in Hibernate mode, or it is off.
System Status
Diagnostic light codes
106.
ENWW