Dell 2707WFP Monitor - Manual (Page 43)

No Video/ Power
LED off No picture l Check connection integrity at both ends of the video cable
l Electric outlet verification
l Ensure power button is depressed fully
No Video/ Power
LED on No picture or no
brightness l Increase brightness and contrast controls via OSD
l Perform monitor self-test feature check
l Check for bent or broken pins
Poor Focus Picture is fuzzy,
blurry or ghosting l Auto Adjust via OSD
l Adjust Phase and Pixel Clock controls via OSD
l Eliminate video extension cables
l Perform monitor reset
l Lower video resolution or increase font size
Shaky/Jittery Video Wavy picture or
fine movement l Auto Adjust via OSD
l Adjust Phase and Pixel Clock controls via 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 "Factory Reset"
l Auto Adjust via OSD
l Adjust brightness and 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 and 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