Locating warranty information
To locate base warranty information, see
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.
●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
●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.
118 Chapter 4 Diagnostics and troubleshooting
