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 from the back of the computer or monitor. The monitor then goes into the self-test mode.

3.Press and hold the 1st and 4th buttons on the front panel, simultaneously for 2 seconds. A gray screen appears.

4.Carefully inspect the screen for abnormalities.

5.Press the 4th 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, black, white colored screens.

The test is complete when the white screen appears. To exit, press the 4th 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 and the possible solutions.

Common Symptoms

What You Experience

 

Possible Solutions

No Video/Power LED off

No picture

Ensure that the video cable connecting the monitor and the computer is properly

 

 

 

connected and secure.

 

 

Verify that the power outlet is functioning properly using any other electrical equipment.

 

 

Ensure that the power button is depressed fully.

 

 

 

 

No Video/Power LED on

No picture or no brightness

Increase brightness & contrast controls via OSD.

 

 

Perform monitor self-test feature check.

 

 

Check for bent or broken pins in the video cable connector.

 

 

Run the built-in diagnostics.

 

 

 

 

Poor Focus

Picture is fuzzy, blurry, or

Perform Auto Adjust via OSD.

 

ghosting

Adjust the Phase and Pixel Clock controls via OSD.

 

 

Eliminate video extension cables.

 

 

Reset the monitor to Factory Settings.

 

 

Change the video resolution to the correct aspect ratio (16:10 for IN1720 & 16:9 for

 

 

 

IN1920).

 

 

 

 

Shaky/Jittery Video

Wavy picture or fine movement

Perform Auto Adjust via OSD.

 

 

Adjust the Phase and Pixel Clock controls via OSD.

 

 

Reset the monitor to Factory Settings.

 

 

Check environmental factors.

 

 

Relocate the monitor and test in another room.

 

 

 

 

Missing Pixels

LCD screen has spots

Cycle power on-off.

 

 

Pixel that is permanently off is a natural defect that can occur in LCD technology.

 

 

Run the built-in diagnostics.

 

 

 

 

Stuck-on Pixels

LCD screen has bright spots

Cycle power on-off.

 

 

Pixel that is permanently off is a natural defect that can occur in LCD technology.

 

 

Run the built-in diagnostics.

 

 

 

 

Brightness Problems

Picture too dim or too bright

Reset the monitor to Factory Settings.

 

 

Auto Adjust via OSD.

 

 

Adjust brightness & contrast controls via OSD.

 

 

 

 

Geometric Distortion

Screen not centered correctly

Reset the monitor to Factory Settings.

 

 

Auto Adjust via OSD.

 

 

Adjust brightness & contrast controls via OSD.

 

 

 

 

Horizontal/Vertical Lines

Screen has one or more lines

Reset the monitor to Factory Settings.

 

 

Perform Auto Adjust via OSD.

 

 

Adjust Phase and Pixel 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 in the video cable connector.

 

 

Run the built-in diagnostics.

 

 

 

 

Synchronization Problems

Screen is scrambled or appears

Reset the monitor to Factory Settings.

 

torn

Perform Auto Adjust via OSD.

 

 

Adjust Phase and Pixel Clock controls via OSD.

 

 

Perform monitor self-test feature check to determine if the scrambled screen appears in

 

 

 

self-test mode.

 

 

Check for bent or broken pins in the video cable connector.

 

 

Restart the computer in the safe mode.

 

 

 

 

Safety Related Issues

Visible signs of smoke or

Do not perform any troubleshooting steps.

 

sparks

Contact Dell immediately.

 

 

 

 

Intermittent Problems

Monitor malfunctions on & off

Ensure that the video cable connecting the monitor to the computer is connected

 

 

 

properly and is secure.

 

 

Reset the monitor to Factory Settings.

 

 

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

 

 

 

self-test mode.

 

 

 

 

Missing Color

Picture missing color

Perform monitor self-test feature check.

 

 

Ensure that the video cable connecting the monitor to the computer is connected

 

 

 

properly and is secure.

 

 

Check for bent or broken pins in the video cable connector.

 

 

 

 

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Dell IN1720, IN1920 appendix Common Problems, Common Symptoms What You Experience Possible Solutions

IN1720, IN1920 specifications

The Dell IN1920 series monitors, comprising the IN1920, IN1920F, and IN1920B, represent an excellent choice for both home and office environments. These monitors are designed to deliver brilliant visual experiences while keeping the user’s needs in mind. Each model shares a range of core features, making them suitable for various applications, from everyday computing tasks to multimedia consumption.

One of the prominent features across all three models is the 18.5-inch display size, which offers a perfect blend of screen real estate without overwhelming desk space. The resolution of 1366 x 768 pixels ensures sharp and clear images, making it suitable for watching videos, browsing the web, and working on documents. The LED backlighting technology enhances brightness while reducing power consumption, contributing to an eco-friendly design. It also aids in delivering vivid colors and impressive contrast, resulting in an overall enhanced viewing experience.

Ergonomics is another significant aspect of the Dell IN1920 monitor series. They come equipped with tilt functionality, allowing users to adjust the screen’s angle for optimal comfort. This is particularly beneficial for extended viewing sessions, reducing strain on the neck and eyes. The slim profile and modern design add a touch of sophistication to any workspace.

Connectivity options are plentiful in the IN1920 series. Each model typically features VGA ports, making them compatible with most computers and laptops. This straightforward connectivity is particularly useful for users who may not have advanced technical skills, ensuring a hassle-free setup.

In addition, these models include built-in energy-saving technologies that adhere to Energy Star guidelines, making them a responsible choice for conscious consumers. The monitors are designed with a low power consumption rating, helping to reduce overall energy costs without sacrificing performance.

The Dell IN1920 series monitors are backed by Dell's renowned reliability and customer support, ensuring users can trust in the quality and longevity of their investment. Whether you are a student, a professional, or someone who simply enjoys digital media, the IN1920, IN1920F, and IN1920B models provide a well-rounded set of features designed to enhance your computing experience while prioritizing user comfort and environmental sustainability.