Video Problems
Missing Pixels
LCD screen has
spots
lCycle power on-off
lThese are pixels that are permanently off and is a natural defect that occurs in LCD technology
Stuck-on Pixels
LCD screen has
bright spots
lCycle power on-off
lThese are pixels that are permanently on and is a natural defect that occurs in LCD technology
Brightness Problems
Picture too dim
or too bright
lPerform monitor reset on "Factory Reset"
lAuto Adjust via OSD
lAdjust brightness & contrast controls via OSD
NOTE: When using '2: DVI-D', the contrast adjustment is not available.
Geometric Distortion
Screen not
centered
correctly
lPerform monitor reset on "Display Reset"
lAuto Adjust via OSD
lAdjust brightness & contrast controls via OSD
lEnsure monitor is in proper video mode
NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Horizontal/Vertical
Lines
Screen has one
or more lines
lPerform monitor reset on "Display Reset"
lAuto Adjust via OSD
lAdjust Phase and Pixel 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
NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Sync Problems
Screen is
scrambled or
appears torn
lPerform monitor reset on "Display Reset"
lAuto Adjust via OSD
lAdjust Phase and Pixel 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
& off
lEnsure monitor is in proper video mode
lEnsure video cable connection to computer and to the flat panel is secure
lPerform monitor reset on "Factory Reset"
lPerform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode
Missing Color
Picture missing
color
lPerform monitor self-test feature check
lCheck connection integrity at both end of the video cable
lCheck for bent or broken pins
Wrong Color
Picture color not
good
lChange the color to "PC Custom Color" or "MAC Custom Color"
lAdjust R/G/B value of "PC Custom Color" or "MAC Custom Color"
ImageRetentionfrom
a static image left on
themonitorforalong
period of time
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
lAlternatively, use a dynamically changing screensaver
COMMON SYMPTOMS
POSSIBLE SOLUTIONS
No Video
lCheck Video Input Selection
¡Composite: Yellow colored RCA jack
¡S-Video: Typically a round 4 pin jack
Low Quality DVD
playback
lCheck DVD connection
¡Composite gives good picture
¡S-Video gives better picture
NOTE: When choosing S-Video,Compositevideo,Auto Adjust function is not available.