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Product Specific Problems
l Adjust Phase and Clock controls through 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 is a natural defect that occurs in LCD
technology
Stuck-on Pixels
LCD screen has bright spots
l Cycle power on-off
l These are pixels that are permanently on and is a natural defect that occurs in LCD
technology
Brightness Problems
Picture too dim or too bright
l Perform monitor reset on "All Settings"
l Press Auto Adjust button
l Adjust brightness & contrast controls
Geometric Distortion
Screen not centered correctly
l Perform monitor reset on "Position Settings Only"
l Press 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 on "All Settings"
l Press 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 on "All Settings"
l Press 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 Caring for 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 & 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 on "All Settings"
l Perform monitor self-test feature check to determine if the intermittent problem occurs in
self-test mode
Missing Color
Picture missing color
l Perform monitor self-test feature check
l Check connection integrity at both end of the video cable
l Check for bent or broken pins
Wrong Color
Picture color not good
l Change the color to "User Preset"
l Adjust R/G/B value of "User Preset"
SPECIFIC
SYMPTOMS
WHAT YOU EXPERIENCE
POSSIBLE SOLUTIONS
Screen image is
too small
Image is centered on screen, but does
not fill entire viewing area
l Perform monitor reset on "All Settings"
Cannot adjust the
monitor with the
buttons on the
front panel
OSD does not appear on the screen
l Turn the monitor off and unplug the power
cord and then plug back and power on
The monitor will
not go into power
saving mode.
No picture, the LED light is green. When
press "+", "-" or "Menu" key, the message
" No input signal " will appear.
l Move mouse or hit any key on the keyboard
onthecomputeroractivatevideoplayer,
thenaccesstheOSDtosetbothAudio/Video
to " off " state.
No Input Signal
when user
controls pressed
No picture, the LED light is green. When
press "+", "-" or "Menu" key, the message
" No input signal " will appear.
l Check the signal source Make sure the
Computer is not in power saving by moving
mouse or pressing any key on the keyboard.
l Check whether the signal cable is plugged in
andseatedproperly.Re-plug the signal cable