Common problems – Dell 1908FP Monitor User Manual

Page 29

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Troubleshooting:Dell 1908FP-BLK Flat Panel Monitor User's Guide

file:///T|/htdocs/monitors/1908WFP/1908FPBL/en/ug/solve.htm[11/8/2012 12:10:51 PM]

To run the built-in diagnostics:

1. Ensure that the screen is clean (no dust particles on the surface of the screen).

2. Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the self-test mode.

3. Press and hold the

and

buttons on the front panel, simultaneously for 2 seconds. A gray screen appears.

4. Carefully inspect the screen for abnormalities.

5. Press the

button on the front panel again. The color of the screen changes to red.

6. Inspect the display for any abnormalities.

7. Repeat steps 5 and 6 to inspect the display in green, blue, and white colored screens.

The test is complete when the white screen appears. To exit, press the

button again.

If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.

Common Problems

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

Common

Symptoms

What You Experience

Possible Solutions

No Video/Power

LED off

No picture, monitor is dead

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.

No Video/Power

LED on

No picture or no brightness

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

Picture is fuzzy, blurry, or ghosting

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.

Shaky/Jittery Video Wavy picture or fine movement

Push Auto Adjust button.

Adjust Phase and Clock controls via OSD.

Perform monitor reset.

Check environmental factors.

Relocate and test in another room.

Missing Pixels

LCD screen has spots

Cycle power on-off

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

technology.

Brightness

Problems

Picture too dim or too bright

Perform monitor reset.

Push Auto Adjust button.

Adjust brightness & contrast controls.

Geometric

Distortion

Screen not centered correctly

Perform monitor reset on "Position Settings Only".

Push 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.

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

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