HP LD4730 and LD4730G LCD Ultra-slim Bezel Digital Signage Displays User Guide

Preparing to call technical support
If you cannot solve a problem using the troubleshooting tips in this section, you might need to call
technical support. Contact your regional HP authorized service provider. Have the following
information available when you call:
Display model number
Serial number for the display
Purchase date on invoice
Conditions under which the problem occurred
Error messages received
Hardware configuration
Hardware and software you are using
54 Appendix A Troubleshooting ENWW