Dell Comprehensive Troubleshooting for Your E178WFP Monitor

Missing Pixels

Stuck-on Pixels

Brightness Problems

Geometric Distortion

LCD screen has spots

LCD screen has bright spots

Picture too dim or too bright

Screen not centered correctly

•Adjust Phase and Clock controls through OSD

•Perform monitor reset

•Check environmental factors

•Relocate and test in another room

•Cycle power on-off

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

•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 "All Settings"

•Press Auto Adjust button

•Adjust brightness & contrast controls

•Perform monitor reset on "Position Settings Only"

•Press auto-adjust button

•Adjust the centering controls

•Ensure monitor is in proper video mode

Horizontal/Vertical Lines

Screen has one or more lines

•Perform monitor reset on "All Settings"

•Press Auto Adjust button

•Adjust Phase and 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

Sync Problems

Screen is scrambled or appears torn

•Perform monitor reset on "All Settings"

•Press Auto Adjust button

•Adjust Phase and 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

Safety Related Issues

Intermittent Problems

Screen has scratches or smudges

Visible signs of smoke or sparks

Monitor malfunctions on & off

•Turn monitor off and clean the screen

•For cleaning instruction, see Caring for your Monitor.

•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 "All Settings"

•Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode

Missing Color

Wrong Color

Image Retention (from a static image)

Picture missing color

Picture color not good

Faint Shadow from the static image displayed appears on the screen

•Perform monitor self-test feature check

•Check connection integrity at both ends of the video cable

•Check for bent or broken pins

•Change the color to "User Preset"

•Adjust R/G/B value of "User Preset"

•Use the Power Management feature to turn off the monitor at all times when not in use. Alternatively, use a dynamically changing screensaver left on the monitor for a long period of time.

•In OSD Menu, under Reset to Factory Settings, select Enable LCD Conditioning. Using this option may take several hours before the image is eliminated.

NOTE: Image Burn-in is not covered by your warranty.

Product Specific Problems

SPECIFIC SYMPTOMS WHAT YOU EXPERIENCE POSSIBLE SOLUTIONS

Screen image is too small	Image is centered on screen, but does not
	fill entire viewing area
Cannot adjust the monitor	OSD does not appear on the screen
with the buttons on the
front panel
The monitor will not go into	No picture, the LED light is green. When
power saving mode.	press "+", "-" or "Menu" key, the message
	" No input signal " will appear.

•Perform monitor reset on "All Settings"

•Turn the monitor off and unplug the power cord and then plug back and power on

•Move mouse or hit any key on the keyboard on the computer or activate video player, then access the

OSD to set both Audio/Video to " off " state.