This means that the monitor cannot synchronize with the signal that it receives from the computer. Either the signal is too high or too low for the monitor to
use. See Monitor SpecificationsfortheHorizontalandVerticalfrequencyrangesaddressablebythismonitor.Recommendedmodeis1440X900@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.
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 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.
l Run the built-in diagnostics.
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.
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.
l Cycle power on-off
l These are pixels that are permanently off and this is a natural defect that occurs
in LCD technology.
l Run the built-in diagnostics.
Picture too dim or too bright
l Perform monitor reset.
l Push Auto Adjust button.
l Adjust brightness & contrast controls.
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.
l Run the built-in diagnostics.
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".
Screen has scratches or smudges
l Turn monitor off and clean the screen.
l For cleaning instruction, see Caring for your Monitor.
Visible signs of smoke or sparks
l Do not perform any troubleshooting steps.
l Monitor needs to be replaced.
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.
