●Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When booting the operating system, use ―Last Known Configuration.‖
●Refer to the comprehensive online technical support at http://www.hp.com/support.
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.
●Restore the system from backups that you created or restore the system to its original factory condition. Refer to Restore and Recovery on page 39 for more information.
CAUTION: Restoring the system will erase all data on the hard drive. Be sure to back up all data files before running the restore process.
NOTE: For sales information and warranty upgrades (Care Packs), call your local authorized service provider or dealer.
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 blue power light is on.
●Check that the monitor is turned on and the monitor light is on.
●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.
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