HP Rp3000 Service Reference Guide: HP rp3000 Point of Sale - Page 100

Troubleshooting Without Diagnostics, Safety and Comfort, Before You Call for Technical Support

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D Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such as hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. NOTE: For information on specific error messages that may appear on the screen during Power-On Self-Test (POST) at startup, refer to Appendix A, POST Error Messageson page 84. Safety and Comfort WARNING! Misuse of the computer or failure to establish a safe and comfortable work environment may result in discomfort or serious injury. Refer to the Safety & Comfort Guide at http://www.hp.com/ ergo for more information on choosing a workspace and creating a safe and comfortable work environment. Before You Call for Technical Support If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact problem before calling for technical support. ● Run the diagnostics utility. Refer to Computer Diagnostic Features on page 16 for more information. ● Run the Drive Protection System (DPS) Self-Test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. ● Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are error codes that will help you diagnose the problem. Refer to Appendix A, POST Error Messages on page 84 for more information. ● If the screen is blank, plug the monitor into a different video port on the computer if one is available. Or, change out the monitor with a monitor that you know is functioning properly. ● If you are working on a network, plug another computer with a different cable into the network connection. There may be a problem with the network plug or cable. ● If you recently added new hardware, remove the hardware and see if the computer functions properly. ● If you recently installed new software, uninstall the software and see if the computer functions properly. ● If you are using a Windows operating system, boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When booting the operating system, use "Last Known Configuration." 92 Appendix D Troubleshooting Without Diagnostics

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D
Troubleshooting Without Diagnostics
This chapter provides information on how to identify and correct minor problems, such as hard drive,
optical drive, graphics, audio, memory, and software problems. If you encounter problems with the
computer, refer to the tables in this chapter for probable causes and recommended solutions.
NOTE:
For information on specific error messages that may appear on the screen during Power-On
Self-Test (POST) at startup, refer to Appendix A,
POST Error Messages
on page
84
.
Safety and Comfort
WARNING!
Misuse of the computer or failure to establish a safe and comfortable work environment
may result in discomfort or serious injury. Refer to the
Safety & Comfort Guide
at
ergo
for more information on choosing a workspace and creating a safe and comfortable work
environment.
Before You Call for Technical Support
If you are having problems with the computer, try the appropriate solutions below to try to isolate the
exact problem before calling for technical support.
●
Run the diagnostics utility. Refer to
Computer Diagnostic Features
on page
16
for more information.
●
Run the Drive Protection System (DPS) Self-Test in Computer Setup. Refer to the
Computer Setup
(F10) Utility Guide
for more information.
●
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights
are error codes that will help you diagnose the problem. Refer to Appendix A,
POST Error
Messages
on page
84
for more information.
●
If the screen is blank, plug the monitor into a different video port on the computer if one is available.
Or, change out the monitor with a monitor that you know is functioning properly.
●
If you are working on a network, plug another computer with a different cable into the network
connection. There may be a problem with the network plug or cable.
●
If you recently added new hardware, remove the hardware and see if the computer functions
properly.
●
If you recently installed new software, uninstall the software and see if the computer functions
properly.
●
If you are using a Windows operating system, boot the computer to the Safe Mode to see if it will
boot without all of the drivers loaded. When booting the operating system, use “Last Known
Configuration.”
92
Appendix D
Troubleshooting Without Diagnostics