HP Z230

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
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Verify that the computer and monitor are plugged into a working electrical outlet.
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Remove all CDs, or USB drive keys from your system before turning it on.
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Verify that the computer is turned on and the blue power light is blue (normal operation) and not
red (error state).
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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