Video Problems - Dell 2407WFP-HC User Manual

Stuck-on Pixels LCD screen has
bright spots
Brightness Problems Picture too dim
or too bright
Geometric Distortion Screen not
centered
correctly
Horizontal/Vertical Screen has one
Lines or more lines
Sync Problems Screen is
scrambled or
appears torn
LCD Scratched Screen has
scratches or
smudges
Safety Related Issues Visible signs of
smoke or sparks
Intermittent Problems Monitor
malfunctions on
& off
Missing Color Picture missing
color
Wrong Color Picture color not
good
Image retention from Faint shadow
a static image left on from the static
the monitor for a long image displayed
period of time appears on the
screen
Video Problems
COMMON SYMPTOMS WHAT YOU EXPERIENCE
No Video No signal indicator is displayed
Low Quality DVD Picture not crisp and some color
playback distortion
Blinking Video Video is blinking or discontinuous
Cycle power on-off
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These are pixels that are permanently on and is a natural defect that occurs in LCD technology
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Perform monitor reset on "Factory Reset"
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Auto Adjust via OSD
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Adjust brightness & contrast controls via OSD
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Perform monitor reset on "Display Reset"
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Auto Adjust via OSD
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Adjust brightness & contrast controls via OSD
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Ensure monitor is in proper video mode
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NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Perform monitor reset on "Display Reset"
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Auto Adjust via OSD
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Adjust Phase and Pixel Clock controls via OSD
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Perform monitor self-test feature check and determine if these lines are also in self-test mode
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Check for bent or broken pins
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NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Perform monitor reset on "Display Reset"
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Auto Adjust via OSD
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Adjust Phase and Pixel Clock controls via OSD
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Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode
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Check for bent or broken pins
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Boot up in the "safe mode"
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Turn monitor off and clean the screen
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For cleaning instruction, see
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Do not perform any troubleshooting steps
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Monitor needs to be replaced
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Ensure monitor is in proper video mode
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Ensure video cable connection to computer and to the flat panel is secure
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Perform monitor reset on "Factory Reset"
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Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode
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Perform monitor self-test feature check
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Check connection integrity at both end of the video cable
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Check for bent or broken pins
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Change the color to "PC Custom Color" or "MAC Custom Color"
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Adjust R/G/B value of "PC Custom Color" or "MAC Custom Color"
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Change the Color Format to "PC RGB" or "YPbPr" (for Video/DVI-HD inputs)
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Use the Power Management feature to turn off the monitor at all times when not in use
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Alternatively, use a dynamically changing screensaver
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Check Video Input Selection
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Composite: Yellow colored RCA jack
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S-Video: Typically a round 4 pin jack
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Component: Red, Blue, Green colored RCA
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Check DVD connection
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Composite gives good picture
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S-Video gives better picture
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Component: Red, Blue, Green colored RCA jacks
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Check DVD connection
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Composite gives good picture
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S-Video gives better picture
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Component: Red, Blue, Green colored RCA
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Check if DVD player is HDCP compliant.
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Some non-compliant players may exhibit blinking video and others will display a
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raster screen.
Caring for Your Monitor.
POSSIBLE SOLUTIONS
jacks
jacks