User Manual

3 Support and troubleshooting 15
Button lock
Holding down the power button or Menu button for ten seconds will lock out the functionality of
the buttons. You can restore the functionalities by holding the buttons down again for ten
seconds.
Perform the lock functionality only when the monitor is powered on, displaying an active signal,
and the OSD is not active.
Product support
For additional information on using your monitor, go to http://www.hp.com/support. Select Find
your Product, and then follow the on-screen directions.
Here you can:
• Chat online with an HP technician
NOTE: When support chat is not available in a particular language, it is available in English.
• Locate an HP service center
Preparing to call technical support
If you cannot solve a problem using the troubleshooting tips in this section, you may need to call
technical support. Have the following information available when you call:
• Monitor model number
• Monitor serial number
• Purchase date on invoice
• Conditions under which the problem occurred
• Error messages received
• Hardware configuration
• Name and version of the hardware and software you are using