Locating Warranty Information; Diagnosis Guidelines; Diagnosis At Startup - HP Z220 SFF Maintenance And Service Manual

Locating warranty information

To locate base warranty information, see http://www.hp.com/support/warranty-lookuptool.
To locate an existing Care Pack, see http://www.hp.com/go/lookuptool.
To extend a standard product warranty, visit 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.
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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
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red (error state).
If you have installed an operating system other than the factory-installed operating system, check
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to be sure that it is supported on your system by visiting 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
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equipped with LED lights to indicate their functionality.
Turn up the brightness and contrast controls of the monitor if the monitor is dim.
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118 Chapter 4 Diagnostics and troubleshooting