B 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 button on front panel of the

Press the front panel power button.

 

monitor is turned off.

NOTE: If pressing the power button has no effect, press

 

 

 

 

and hold the power button for 10 seconds to disable the

 

 

power button lockout feature.

 

 

 

 

Video cable is improperly

Connect the video cable properly. Refer to Setting Up the

 

connected.

Monitor on page 7 for more information.

 

 

 

 

Screen blanking is active.

Press any key on the keyboard or move the mouse to

 

 

inactivate the screen blanking utility.

 

 

 

Monitor will not turn on.

Master power switch on rear panel

Turn the master power switch to On.

 

of the monitor is turned Off.

 

 

 

 

Image appears blurred,

Brightness is too low.

Press the (minus) button on the front panel. If this does

indistinct, or too dark.

 

not correct the image, press the Menu button to open the

 

 

OSD Menu, and adjust the brightness scale 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

Monitor video cable is

Connect the appropriate video signal cable between the

displayed on screen.

disconnected.

computer and monitor. Be sure that the computer power is

 

 

off while connecting the video cable.

 

 

 

Input Signal Out of Range,

Video resolution and/or refresh rate

Restart the computer and enter Safe Mode. Change the

Change Settings to 1920 x

are set higher than what the monitor

settings to a supported setting (see Recognizing Preset

1200 – 60Hz is displayed on

supports.

Display Resolutions on page 46). Restart the computer

screen.

 

so that the new settings take effect.

 

 

 

The monitor is off but it did

The monitor's power saving control

Check the monitor's OSD menu setting for power saving

not seem to enter into a low-

is disabled.

enable/disable controls. The control should be set to

power sleep mode.

 

enable 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 disable

 

function is enabled.

the OSD Lockout function.

 

 

 

Power Button Lockout is

The monitor's Power Button

Press and hold the power button for 10 seconds to unlock

displayed.

Lockout function is enabled.

the power button function.

 

 

 

42 Appendix B Troubleshooting

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HP DreamColor LP2480zx Professional manual Troubleshooting, Solving Common Problems