Before You Call For Technical Support - HP Dx5150 - Compaq Business Desktop Troubleshooting Manual

Troubleshooting Without Diagnostics

Before You Call for Technical Support

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2–2
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 for Windows utility. Refer to
"Computer Diagnostic Features"
■
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
Messages" 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.
■
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
■
Run the Restore Plus! CD.
CAUTION: Running the Restore Plus! CD will erase all data on the hard
drive.
www.hp.com
for more information.
Appendix A, "POST Error
.
"Helpful Hints" section in this guide.
Chapter 1,
Troubleshooting Guide