To assist you in resolving problems online, HP Instant Support Professional Edition provides you with
Access the Business Support Center (BSC) at http://www.hp.com/go/bizsupport for the latest online support information, software and drivers, proactive notification, and worldwide community of peers and HP experts.
If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly:
●Be in front of your computer when you call.
●Write down the computer serial number, product ID number, and monitor serial number before calling.
●Spend time troubleshooting the problem with the service technician.
●Remove any hardware that was recently added to your system.
●Remove any software that was recently installed.
NOTE: For sales information and warranty upgrades (Care Packs), call your local authorized service provider or dealer.
Helpful Hints
If you encounter problems with the computer, monitor, or software, see the following list of general suggestions before taking further action:
●Check that the computer and monitor are plugged into a working electrical outlet.
●Check that the voltage select switch (some models) is set to the appropriate voltage for your region (115V or 230V).
●Check that the computer is turned on and the green power light is on.
●Check that the monitor is turned on and the monitor light is on.
●Listen for beeps from the computer. The beeps are error codes that will help you diagnose the problem. Refer to Interpreting POST Audible Codes on page 173 for more information.
●Turn up the brightness and contrast controls of the monitor if the monitor is dim.
●Press and hold any key. If the system beeps, then the keyboard should be operating correctly.
●Check all cable connections for loose connections or incorrect connections.
●Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer. If the system will not shut down, unplug the power cord, wait a few seconds, then plug it in again. The computer will restart if it is set to power on automatically as soon as power is restored in Computer Setup. If it does not restart, press the power button to start the computer.
●Reconfigure the computer after installing a
142 Appendix C Troubleshooting Without Diagnostics
