HP Z230 Workstation - Maintenance and Service Guide

Locating warranty information
To locate base warranty information, go to http://www.hp.com/support/warranty-lookuptool.
To locate an existing Care Pack, go to
http://www.hp.com/go/lookuptool.
To extend a standard product warranty, go to
http://www.hp.com/hps/carepack. HP Care Pack Services offer
upgraded service levels to extend and expand a standard product warranty.
Diagnosis guidelines
If you encounter a problem with the computer, monitor, or software, the following sections provide a list of
general suggestions that help you isolate and focus on the problem before taking further action.
Diagnosis at startup
Verify that the computer and monitor are plugged into a working electrical outlet.
Remove all CDs, or USB drive keys from your system before turning it on.
Verify that the computer is turned on and the blue power light is blue (normal operation) and not red
(error state).
If you have installed an operating system other than the factory-installed operating system, check to be
sure that it is supported on your system, go to
http://www.hp.com/go/quickspecs.
Verify that the monitor is turned on and the green monitor light is on. Note that not all monitors are
equipped with LED lights to indicate their functionality.
Turn up the brightness and contrast controls of the monitor if the monitor is dim.
76 Chapter 4 Diagnostics and troubleshooting