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1440X900@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 power save mode.
General Problems
The following table contains general information about common monitor problems you might encounter.
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
lPress the input select button in the front of the monitor and ensure the correct
input source is selected.
lIncrease brightness & contrast controls.
lPerform monitor self-test feature check.
lCheck for bent or broken pins on the end of the video cable.
lReboot your computer and monitor.
Poor Focus
Picture is fuzzy, blurry, or ghosting
lPush Auto Adjust button.
lAdjust Phase and Clock controls via OSD.
lEliminate video extension cables.
lPerform monitor reset.
lLower video resolution or increase font size.
Shaky/Jittery Video
Wavy picture or fine movement
lPush Auto Adjust button.
lAdjust Phase and Clock controls via OSD.
lPerform monitor reset.
lCheck environmental factors.
lRelocate and test in another room.
Missing Pixels
LCD screen has spots
lCycle power on-off
lThese 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
lPerform monitor reset.
lPush Auto Adjust button.
lAdjust brightness & contrast controls.
Geometric Distortion
Screen not centered correctly
lPerform monitor reset on "Position Settings Only".
lPush Auto Adjust button.
lAdjust the centering controls.
lEnsure monitor is in proper video mode.
Horizontal/Vertical Lines
Screen has one or more lines
lPerform monitor reset.
lPush Auto Adjust button.
lAdjust Phase and Clock controls via OSD.
lPerform monitor self-test feature check and determine if these lines are also in
self-test mode.
lCheck for bent or broken pins.
Sync Problems
Screen is scrambled or appears torn
lPerform monitor reset.
lPush Auto Adjust button.
lAdjust Phase and Clock controls via OSD.
lPerform monitor self-test feature check to determine if scrambled screen appears
in self-test mode.
lCheck for bent or broken pins.
lBoot up in the "safe mode".
LCD Scratched
Screen has scratches or smudges
lTurn monitor off and clean the screen.
lFor cleaning instruction, seeCaringforyourMonitor.
Safety Related Issues
Visible signs of smoke or sparks
lDo not perform any troubleshooting steps.
lMonitor needs to be replaced.
Intermittent Problems
Monitor malfunctions on and off
lEnsure monitor is in proper video mode.
lEnsure video cable connection to computer and to the flat panel is secure.
lPerform monitor reset.
lPerform 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
lUse the Power Management feature to turn off the monitor at all times when not
in use. Alternatively, use a dynamically changing screen saver left on the monitor
for a long period of time.