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

 

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

ENWW