HP LP2480zx HP LP2480zx LCD Monitor User Guide - Page 48

Troubleshooting, Solving Common Problems

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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 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 lockout feature. Monitor will not turn on. Image appears blurred, indistinct, or too dark. Image is not centered Check Video Cable is displayed on screen. Video cable is improperly connected. Connect the video cable properly. Refer to Setting Up the 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. Master power switch on rear panel Turn the master power switch to On. of the monitor is turned Off. Brightness is too low. Press the - (minus) button on the front panel. If this does not correct the image, press the Menu button to open the OSD Menu, and adjust the brightness scale as needed. 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. Monitor video cable is disconnected. Connect the appropriate video signal cable between the computer and monitor. Be sure that the computer power is off while connecting the video cable. Input Signal Out of Range, Change Settings to 1920 x 1200 - 60Hz 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 46). Restart the computer 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 function is enabled. Press and hold the Menu button for 10 seconds to disable the OSD Lockout function. Power Button Lockout is The monitor's Power Button displayed. Lockout function is enabled. Press and hold the power button for 10 seconds to unlock the power button function. 42 Appendix B Troubleshooting

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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
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 lockout feature.
Video cable is improperly
connected.
Connect the video cable properly. Refer to
Setting Up the
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
of the monitor is turned Off.
Turn the master power switch to On.
Image appears blurred,
indistinct, or too dark.
Brightness is too low.
Press the
–
(minus) button on the front panel. If this does
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
displayed on screen.
Monitor video cable is
disconnected.
Connect the appropriate video signal cable between the
computer and monitor. Be sure that the computer power is
off while connecting the video cable.
Input Signal Out of Range,
Change Settings to 1920 x
1200 – 60Hz
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
46
). Restart the computer
so that the new settings take effect.
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.
Check the monitor's OSD menu setting for power saving
enable/disable controls. The control should be set to
enable 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.
42
Appendix B
Troubleshooting