HP ap5000 All-in-One Point of Sale System User Manual download pdf (Page 22)

4 Troubleshooting

This chapter provides information on how to identify and correct minor hardware and software

problems. If you encounter problems with the computer, refer to the tables in this chapter for probable

causes and recommended solutions.

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. This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to Part 15 of the FCC Rules. For more information, refer to Safety & Regulatory

Information guide.

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.

●

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

Interpreting POST Diagnostic

Front Panel LED and Beep Codes on page 29 for more information.

● 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.”

● Refer to the comprehensive online technical support at

http://www.hp.com/support.

●

Refer to the following

Helpful Hints on page 15 in this guide.

To assist you in resolving problems online, HP Instant Support Professional Edition provides you with

self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional

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HP ap5000 All-in-One Point of Sale System User Manual Page 22