HP Xw8400 HP xw8400 Workstation - Service and Technical Reference Guide - Page 112

Troubleshooting checklist, LED color definitions, HP Insight Diagnostics Offline Edition - four beeps

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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 LED Color System Status Solid Blinking Solid or blinking None Green Green Red No light System is on. System is in Standby mode. System has an error. See Diagnostic light codes on page 106. System is in Hibernate mode, or it is off. 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 ENWW

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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
LED Color
System Status
Solid
Green
System is on.
Blinking
Green
System is in Standby mode.
Solid or blinking
Red
System has an error. See
Diagnostic light codes
on page
106
.
None
No light
System is in Hibernate mode, or it is off.
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
ENWW