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A
Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
Problem
Screen is blank.
Screen image appears distorted; text is
fuzzy or blurred; image quality is
degraded.
Image appears blurred, indistinct, or
too dark.
Image is not centered
Check Video Cable is displayed on
screen.
Input Signal Out of Range. Change
Settings to 1280 x 1024 @ 60Hz is
displayed on screen.
HP Display LiteSaver doesn't turn off
the monitor screen.
24
Appendix A Troubleshooting
Possible Cause
Power cord is disconnected.
Power button on front panel of
the monitor is turned off.
Video cable is improperly
connected.
Screen blanking is active.
The computer's graphics card
resolution is set lower or higher
than the monitor's native
resolution.
Brightness and contrast are
too low.
Position may need adjustment. Press the
Monitor video cable is
disconnected.
Video resolution and/or refresh
rate are set higher than what
the monitor supports.
The Activity Extension time
has not elapsed.
Solution
Connect the power cord.
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.
Connect the video cable properly. Refer to Chapter
3,
Setting Up the Monitor on page 5
information.
Press any key on the keyboard or move the mouse
to inactivate the screen blanking utility.
Set the computer's display resolution to the same
mode as the monitor's recommended native screen
resolution to provide the best picture quality.
Press the
—/Auto
button on the front panel. If this
does not correct the image, press the
to open the OSD Menu, and adjust the brightness
and contrast scales as needed.
Menu
button to access the OSD menu.
Select
Image Control/Horizontal Position
Position
to adjust the horizontal or vertical position
of the image.
Connect the VGA cable to the VGA connector on the
computer. Be sure that the computer power is off
while connecting the video cable.
Restart the computer and enter Safe Mode. Change
the settings to a supported setting (see
Preset Display Resolutions on page
the computer so that the new settings take effect.
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-
for more
Menu
button
or
Vertical
Recognizing
29). Restart
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