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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
Signal Cable Not Connected! is
displayed on screen.
Out of Range! is displayed on screen. Video resolution and/or refresh
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.
rate are set higher than what
the monitor supports.
Solution
Connect the power cord.
Press the front panel power button.
Connect the video cable properly. Refer to Chapter
3,
Setting Up the Monitor on page 4
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
open the OSD Menu, and select Luminance to adjust
the brightness and contrast scales as needed.
Select
button to access the OSD menu.
Select
Geometry/H. Position
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.
Solving Common Problems
for more
Select
button to
or
V. Position
to adjust
Recognizing
20). Restart
17
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