Troubleshooting - LG D2342P Owner's Manual

16

TROUBLESHOOTING

TROUBLESHOOTING
Check the following before calling for service.
No image appears
Is the power cord of the display
connected?
Is the power indicator light on?
Is the power on and the power
indicator blue or green?
Is the power indicator flickering?
Do you see an "OUT OF RANGE"
message on the screen?
Do you see a "CHECK SIGNAL
CABLE" message on the screen?
Do you see a "OSD LOCKED" message on the screen?
Do you see "OSD LOCKED" when
you push MENU button?
Display image is incorrect
Display Position is incorrect.
On the screen background, vertical
bars or stripes are visible.
Any horizontal noise appearing in
any image or characters are not
clearly portrayed.
CAUTION
Check Control Panel ► Display ► Settings and see if the frequency or the resolution were changed.
y y
If yes, readjust the video card to the recommend resolution.
If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the
y y
screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.
The setting method can differ by computer and O/S (Operation System), and resolution mentioned
y y
above may not be supported by the video card performance. In this case, please ask to the computer
or the video card manufacturer.
y Check and see if the power cord is connected properly to the power
outlet.
y Press the Power button.
y Adjust the brightness and the contrast.
y If the display is in power saving mode, try moving the mouse or
pressing any key on the keyboard to bring up the screen.
y Try to turn on the PC.
y This message appears when the signal from the PC (video card) is
out of horizontal or vertical frequency range of the display. See the
'Specifications' section of this manual and configure your display
again.
y This message appears when the signal cable
y between your PC and your display is not
y connected. Check the signal cable and try again.
y You can secure the current control settings, so that they cannot be
inadvertently changed. You can unlock the OSD controls at any time
by pushing the MENU button for several seconds: the message
y "OSD UNLOCKED" will appear.
y Press the AUTO/SET button to automatically adjust your display
image to the ideal setting. If the results are unsatisfactory, adjust the
image position using the H position and V position icon in the on
screen display.
y Press the AUTO/SET button to automatically adjust your display
image to the ideal setting. If the results are unsatisfactory, decrease
the vertical bars or stripes using the CLOCK icon in the on screen
display.
y Press the AUTO/SET button to automatically adjust your display
image to the ideal setting. If the results are unsatisfactory, decrease
the horizontal bars using the PHASE icon in the on screen display.
y Check Control Panel ► Display ► Settings and adjust the display to
the recommended resolution or adjust the display image to the ideal
setting. Set the color setting higher than 24 bits (Color Quality).