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Video Problems
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 "Factory Reset"
l Auto Adjust via OSD
l Adjust brightness & contrast controls via OSD
Geometric Distortion
Screen not
centered
correctly
l Perform monitor reset on "Display Reset"
l Auto Adjust via OSD
l Adjust brightness & contrast controls via OSD
l Ensure 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
l Perform monitor reset on "Display Reset"
l Auto Adjust via OSD
l Adjust Phase and Pixel 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
NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Sync Problems
Screen is
scrambled or
appears torn
l Perform monitor reset on "Display Reset"
l Auto Adjust via OSD
l Adjust Phase and Pixel 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 "Factory Reset"
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 "PC Custom Color" or "MAC Custom Color"
l Adjust R/G/B value of "PC Custom Color" or "MAC Custom Color"
l Change the Color Format to "PC RGB" or "YPbPr" (for Video/DVI-HD inputs)
Imageretentionfrom
a static image left on
themonitorforalong
period of time
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
l Alternatively, use a dynamically changing screensaver
COMMON SYMPTOMS
WHAT YOU EXPERIENCE
POSSIBLE SOLUTIONS
No Video
No signal indicator is displayed
l Check Video Input Selection
¡ Composite: Yellow colored RCA jack
¡ S-Video: Typically a round 4 pin jack
¡ Component: Red, Blue, Green colored RCA jacks
Low Quality DVD
playback
Picture not crisp and some color
distortion
l Check DVD connection
¡ Composite gives good picture
¡ S-Video gives better picture
¡ Component: Red, Blue, Green colored RCA jacks
Blinking Video
Video is blinking or discontinuous
l Check DVD connection
¡ Composite gives good picture
¡ S-Video gives better picture
¡ Component: Red, Blue, Green colored RCA jacks
l Check if DVD player is HDCP compliant.
¡ Some non-compliant players may exhibit blinking video and others will display a
raster screen.