Video Problems

Stuck-on Pixels

Brightness Problems

Geometric Distortion

Horizontal/Vertical Lines

Sync Problems

LCD screen has bright spots

Picture too dim or too bright

Screen not centered correctly

Screen has one or more lines

Screen is scrambled or appears torn

•Cycle power on-off

•These are pixels that are permanently on and is a natural defect that occurs in LCD technology

•Perform monitor reset on "Factory Reset"

•Auto Adjust via OSD

•Adjust brightness & contrast controls via OSD

•Perform monitor reset on "Display Reset"

•Auto Adjust via OSD

•Adjust brightness & contrast controls via OSD

•Ensure monitor is in proper video mode

NOTE: When using '2: DVI-D', the positioning adjustments are not available.

•Perform monitor reset on "Display Reset"

•Auto Adjust via OSD

•Adjust Phase and Pixel Clock controls via OSD

•Perform monitor self-test feature check and determine if these lines are also in self-test mode

•Check for bent or broken pins

NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.

•Perform monitor reset on "Display Reset"

•Auto Adjust via OSD

•Adjust Phase and Pixel Clock controls via OSD

•Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode

•Check for bent or broken pins

•Boot up in the "safe mode"

LCD Scratched	Screen has
	scratches or
	smudges

•	Turn monitor off and clean the screen
•	For cleaning instruction, see Caring for Your Monitor.

Safety Related Issues

Intermittent Problems

Missing Color

Wrong Color

Image retention from a static image left on the monitor for a long period of time

Visible signs of smoke or sparks

Monitor malfunctions on & off

Picture missing color

Picture color not good

Faint shadow from the static image displayed appears on the screen

•	Do not perform any troubleshooting steps
•	Monitor needs to be replaced


•	Ensure monitor is in proper video mode
•	Ensure video cable connection to computer and to the flat panel is secure
•	Perform monitor reset on "Factory Reset"
•	Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode


•	Perform monitor self-test feature check
•	Check connection integrity at both end of the video cable
•	Check for bent or broken pins


•	Change the color to "PC Custom Color" or "MAC Custom Color"
•	Adjust R/G/B value of "PC Custom Color" or "MAC Custom Color"
•	Change the Color Format to "PC RGB" or "YPbPr" (for Video/DVI-HD inputs)


•	Use the Power Management feature to turn off the monitor at all times when not in use
•	Alternatively, use a dynamically changing screensaver

COMMON SYMPTOMS

No Video

Low Quality DVD playback

Blinking Video

WHAT YOU EXPERIENCE

No signal indicator is displayed

Picture not crisp and some color distortion

Video is blinking or discontinuous

POSSIBLE SOLUTIONS

•Check Video Input Selection

¡Composite: Yellow colored RCA jack

¡S-Video: Typically a round 4 pin jack

¡Component: Red, Blue, Green colored RCA jacks

•Check DVD connection

¡Composite gives good picture

¡S-Video gives better picture

¡Component: Red, Blue, Green colored RCA jacks

•Check DVD connection

¡Composite gives good picture

¡S-Video gives better picture

¡Component: Red, Blue, Green colored RCA jacks

•Check if DVD player is HDCP compliant.

¡Some non-compliant players may exhibit blinking video and others will display a raster screen.