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 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 Chapter
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.
Screen image appears distorted; text is
fuzzy or blurred; image quality is
degraded.
The computer’s graphics card
resolution is set lower or higher
than the monitor’s native
resolution.
Set the computer’s display resolution to the same
mode as the monitor’s recommended native screen
resolution to provide the best picture quality.
Image appears blurred, indistinct, or
too dark.
Brightness and contrast are
too low.
Press the OK/auto 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
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
screen.
Monitor video cable is
disconnected.
Connect the appropriate video cable (DisplayPort,
DVI, or VGA) 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 1440 x 900 @ 60Hz (19”
wide panel models) OR Input Signal
Out of Range. Change Settings to
1680 x 1050 @ 60Hz (22” wide panel
models) OR Input Signal Out of
Range. Change settings to 1920 x
1200 @ 60 Hz (24-inch wide panel
models) 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 36). Restart
the computer so that the new settings take effect.
ENWW Solving Common Problems 29
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