HP ZR24W Manuel d'utilisateur télécharger pdf (Page 40)

Problem Possible Cause Solution

Input Signal Out of Range. Change

Settings to 1920 × 1080 @ 60Hz

(ZR22w model) OR Input Signal Out

of Range. Change settings to 1920 x

1200 @ 60 Hz (ZR24w model) is

displayed on screen.

Video resolution and/or refresh

rate are set higher than what

the monitor supports.

Restart the computer and enter Safe Mode. Change

the settings to a supported setting (see

Recognizing

Preset Display Resolutions on page 36). Restart

the computer so that the new settings take effect.

HP Display LiteSaver doesn't turn off

the monitor screen.

The Activity Extension time

has not elapsed.

The default Activity Extension value is set to 10

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

not be compatible with the

computer system. Some

notebook computers are not

compatible and the monitor

power can not be controlled.

The monitor screen should turn off if the system is

compatible. To turn the monitor back on, wait 5

seconds and move the mouse.

NOTE: If the monitor did not turn off, then the

computer graphics driver is not compatible with the

HP Display LiteSaver software.

The monitor is off but it did not seem to

enter into a low-power sleep mode.

The monitor's power saving

control is disabled.

In the monitor's OSD menu, select Management

> 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

function is enabled.

Press and hold the Menu button for 10 seconds to

disable the OSD Lockout function.

Power Button Lockout is displayed. The monitor's Power Button

Lockout function is enabled.

Press and hold the Power button for 10 seconds to

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

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HP ZR24W Manuel d'utilisateur Page 40

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