Settings to 1920 × 1080 @ 60Hz

Problem	Possible Cause	Solution

Input Signal Out of Range. Change	Video resolution and/or refresh	Restart the computer and enter Safe Mode. Change
Settings to 1920 × 1080 @ 60Hz	rate are set higher than what	the settings to a supported setting (see Recognizing
(ZR22w model) OR Input Signal Out	the monitor supports.	Preset Display Resolutions on page 36). Restart
of Range. Change settings to 1920 x		the computer so that the new settings take effect.
1200 @ 60 Hz (ZR24w model) is
displayed on screen.

HP Display LiteSaver doesn't turn off	The Activity Extension time	The default Activity Extension value is set to 10
the monitor screen.	has not elapsed.	minutes. The HP Display LiteSaver will wait to detect
		no input or movement from the keyboard or mouse
		for 10 consecutive minutes after the Display Off time
		has passed, before the monitor enters into low-
		power mode. For example, if the Display Off time is
		set to 5 minutes from the current time and the Activity
		Extension is set to 10 minutes, the HP Display
		LiteSaver will not actually turn off the display until 10
		minutes of inactivity has elapsed, even though the
		Display Off time is 5 minutes from now.

	The HP Display LiteSaver may	The monitor screen should turn off if the system is
	not be compatible with the	compatible. To turn the monitor back on, wait 5
	computer system. Some	seconds and move the mouse.
	notebook computers are not	NOTE: If the monitor did not turn off, then the
	compatible and the monitor	NOTE: If the monitor did not turn off, then the
	power can not be controlled.	computer graphics driver is not compatible with the
		HP Display LiteSaver software.

The monitor is off but it did not seem to	The monitor's power saving	In the monitor's OSD menu, select Management
enter into a low-power sleep mode.	control is disabled.	> Power Saver. The control should be set to On to
		allow the monitor to enter into low-power modes.

OSD Lockout is displayed.	The monitor's OSD Lockout	Press and hold the Menu button for 10 seconds to
	function is enabled.	disable the OSD Lockout function.

Power Button Lockout is displayed.	The monitor's Power Button	Press and hold the Power button for 10 seconds to
	Lockout function is enabled.	unlock the power button function.

Online Technical Support

For the online access to technical support information, self-solve tools, online assistance, community forums of IT experts, broad mutlivendor knowledge base, monitoring and diagnostic tools, go to http://www.hp.com/support

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

32 Appendix A Troubleshooting

HP ZR24w, ZR22w manual Settings to 1920 × 1080 @ 60Hz, Power Button Lockout is displayed

Preset Display Resolutions on page 36). Restart

Power Button Lockout is displayed.

ENWW