This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to
use. See
Monitor Specifications
for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 1680 X 1050 @ 60Hz.
Occasionally, no warning message appears, but the screen is blank. This could also indicate that the monitor is not synchronizing with the computer or that
the monitor is in a power save mode.
General Problems
The following table contains general information about common monitor problems you might encounter.
Optimum Resolution 1680 x 1050 60Hz
Optimum Resolution 1680 x 1050 60Hz
COMMON SYMPTOMS
PROBLEM DESCRIPTION
POSSIBLE SOLUTIONS
No Video/Power LED off
No picture, monitor is dead.
Check connection integrity at the both ends of the video cable, verify that the monitor
and computer are plugged into a working electrical outlet, and that you have pressed
the power button.
No Video/Power LED on
No picture or no brightness.
l
Press the input select button in the front of the monitor and ensure the correct
input source is selected.
l
Increase brightness & contrast controls.
l
Perform monitor self-test feature check.
l
Check for bent or broken pins on the end of the video cable.
l
Reboot your computer and monitor.
Poor Focus
Picture is fuzzy, blurry, or ghosting.
l
Push Auto Adjust button.
l
Adjust Phase and Clock controls via OSD.
l
Eliminate video extension cables.
l
Perform monitor reset.
l
Lower video resolution or increase font size.
Shaky/Jittery Video
Wavy picture or fine movement.
l
Push Auto Adjust button.
l
Adjust Phase and Clock controls via OSD.
l
Perform monitor reset.
l
Check environmental factors.
l
Relocate and test in another room.
Missing Pixels
LCD screen has spots.
l
Cycle power on-off.
l
These are pixels that are permanently off and this is a natural defect that occurs
in LCD technology.
Brightness Problems
Picture too dim or too bright.
l
Perform monitor reset.
l
Push Auto Adjust button.
l
Adjust brightness & contrast controls.
Geometric Distortion
Screen not centered correctly.
l
Perform monitor reset on "Position Settings Only".
l
Push Auto Adjust button.
l
Adjust the centering controls.
l
Ensure monitor is in proper video mode.
Horizontal/Vertical Lines
Screen has one or more lines.
l
Perform monitor reset.
l
Push Auto Adjust button.
l
Adjust Phase and Clock controls via OSD.
l
Perform monitor self-test feature check and determine if these lines are also in
self-test mode.
l
Check for bent or broken pins.
Sync Problems
Screen is scrambled or appears torn.
l
Perform monitor reset.
l
Push Auto Adjust button.
l
Adjust Phase and Clock controls via OSD.
l
Perform monitor self-test feature check to determine if scrambled screen appears
in self-test mode.
l
Check for bent or broken pins.
l
Boot up in the "safe mode".
LCD Scratched
Screen has scratches or smudges.
l
Turn monitor off and clean the screen.
l
For cleaning instruction, see
Cleaning Your Monitor
.
Safety Related Issues
Visible signs of smoke or sparks.
l
Do not perform any troubleshooting steps.
l
Monitor needs to be replaced.
Intermittent Problems
Monitor malfunctions on and off.
l
Ensure monitor is in proper video mode.
l
Ensure video cable connection to computer and to the flat panel is secure.
l
Perform monitor reset.
l
Perform monitor self-test feature check to determine if the intermittent problem
occurs in self-test mode.
Image Retention (from a
static image)
Faint Shadow from the static image
displayed appears on the
screen.
l
Use the Power Management feature to turn off the monitor at all times when not
in use. Alternatively, use a dynamically changing screensaver left on the
monitor for a long period of time.
l
In OSD Menu, under Reset to Factory Settings, select
Enable LCD Conditioning.
Using this option may take several hours before the image is eliminated.
Содержание SP2008WFP - 20" LCD Monitor
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