Dell E228WFP appendix General Problems, Possible Solutions

2: Analog Input	or	3: Digital Input
Cannot Display This Video Mode		Cannot Display This Video Mode
Optimum Resolution 1680 x1050 60Hz		Optimum Resolution 1680 x1050 60Hz

This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to use. See Monitor Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 1680 X 1050 @ 60Hz.

Occasionally, no warning message appears, but the screen is blank. This could also indicate that the monitor is not synchronizing with the computer or that the monitor is in a power save mode.

General Problems

The following table contains general information about common monitor problems you might encounter.

COMMON SYMPTOMS

No Video/Power LED off

No Video/Power LED on

PROBLEM DESCRIPTION

No picture, monitor is dead

No picture or no brightness

POSSIBLE SOLUTIONS

Check connection integrity at the both ends of the video cable, verify that the monitor and computer are plugged into a working electrical outlet, and that you have pressed the power button.

•Press the input select button in the front of the monitor and ensure the correct input source is selected.

•Increase brightness & contrast controls.

•Perform monitor self-test feature check.

•Check for bent or broken pins on the end of the video cable.

•Reboot your computer and monitor.

Poor Focus

Shaky/Jittery Video

Missing Pixels

Brightness Problems

Geometric Distortion

Horizontal/Vertical Lines

Picture is fuzzy, blurry, or ghosting

Wavy picture or fine movement

LCD screen has spots

Picture too dim or too bright

Screen not centered correctly

Screen has one or more lines

•Push Auto Adjust button.

•Adjust Phase and Clock controls via OSD.

•Eliminate video extension cables.

•Perform monitor reset.

•Lower video resolution or increase font size.

•Push Auto Adjust button.

•Adjust Phase and Clock controls via 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 this is a natural defect that occurs in LCD technology.

•Perform monitor reset.

•Push Auto Adjust button.

•Adjust brightness & contrast controls.

•Perform monitor reset on "Position Settings Only".

•Push Auto Adjust button.

•Adjust the centering controls.

•Ensure monitor is in proper video mode.

•Perform monitor reset.

•Push 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.

•Push 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	Screen has scratches or smudges
Safety Related Issues	Visible signs of smoke or sparks
Intermittent Problems	Monitor malfunctions on and off

Image Retention (from a static image Faint Shadow from the static image

•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.

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

•Use the Power Management feature to turn off the monitor at all times