HP LD4220tm and LD4720tm Digital Signage Touch Displays

Problem Possible cause Solution
Touch function
is not
recognized
using Windows
XP.
Windows XP
driver is not
installed.
To use the touch function in Windows XP, you must install the driver. Refer to
Touch
software installation for Microsoft Windows XP on page 41 for instructions.
Touch display is
not functioning
properly.
Firmware needs
to be upgraded.
Upgrade the firmware. Refer to
Upgrading the firmware on page 44 for instructions.
Using the Internet
For online access to technical support information, self-solve tools, online assistance, community
forums of IT experts, broad mutli-vendor knowledge base, monitoring and diagnostic tools, go to
www.hp.com/support
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
52 Appendix A Troubleshooting ENWW