Troubleshooting Without Diagnostics; Safety And Comfort; Before You Call For Technical Support - HP EliteDesk 705 G1 Microtower Maintenance And Service Manual

8

Troubleshooting without diagnostics

This chapter provides information on how to identify and correct minor problems, such as USB
devices, 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,

Safety and comfort

WARNING!
may result in discomfort or serious injury. Refer to the
ergo for more information on choosing a workspace and creating a safe and comfortable work
environment. For more information, refer to the

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 HP diagnostic tool.
●
Run the hard drive self-test in Computer Setup. Refer to
●
on page 113
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,
messages on page 157
If the screen is blank, plug the monitor into a different video port on the computer if one is
●
available. Or, replace 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.
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
●
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
Edition's online chat feature. Access HP Instant Support Professional Edition at:
go/ispe.
124 Chapter 8 Troubleshooting without diagnostics
Misuse of the computer or failure to establish a safe and comfortable work environment
for more information.
for more information.
Helpful hints on page 125
POST error messages on page
Safety & Comfort Guide
Safety & Regulatory Information
Computer Setup (F10) Utility
in this guide.
157.
at http://www.hp.com/
guide.
POST error
http://www.hp.com/