A Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommended solutions.

Problem

Possible Cause

Solution

 

 

 

Screen is blank.

Power cord is disconnected.

Connect the power cord.

Power switch on front panel of the monitor is turned off.

Press the front panel power button.

NOTE: If pressing the power button has no effect, press and hold the power button for 10 seconds to disable the power button lock-out feature.

 

Video cable is improperly

Connect the video cable properly. Refer to Chapter

 

connected.

3, Setting Up the Monitor on page 5 for more

 

 

information.

 

 

 

 

Screen blanking is active.

Press any key on the keyboard or move the mouse

 

 

to inactivate the screen blanking utility.

 

 

 

Image appears blurred, indistinct, or

Brightness and contrast are

Press the —/Adjustbutton on the front panel. If this

too dark.

too low.

does not correct the image, press the Menu button

 

 

to open the OSD Menu, and adjust the brightness

 

 

and contrast scales as needed.

 

 

 

Image is not centered

Position may need adjustment.

Press the Menu button to access the OSD menu.

 

 

Select Image Control/Horizontal Position or Vertical

 

 

Position to adjust the horizontal or vertical position

 

 

of the image.

 

 

 

Check Video Cable is displayed on

Monitor video cable is

Connect the DVI-D signal cable to the DVI connector

screen.

disconnected.

on the computer (select models), or the VGA cable

 

 

to the VGA connector on the computer. Be sure that

 

 

the computer power is off while connecting the video

 

 

cable.

 

 

 

Input Signal Out of Range. Change

Video resolution and/or refresh

Restart the computer and enter Safe Mode. Change

Settings to 1280 x 1024 @ 60Hz or

rate are set higher than what

the settings to a supported setting (see Recognizing

Input Signal Out of Range. Change

the monitor supports.

Preset Display Resolutions on page 42). Restart

Settings to 1440 x 900 @ 60Hz is

 

the computer so that the new settings take effect.

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

 

 

 

Solving Common Problems 35