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 Button 1 and Button 4 on the front panel simultaneously for 2 seconds. A gray screen appears.

4.Carefully inspect the screen for abnormalities.

5.Press the Button 4 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 screens.

The test is complete when the white screen appears. To exit, press the Button 4 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.

 

 

Ensure that the correct input source is selected via the Input Source Select button.

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.

 

 

Ensure that the correct input source is selected via the Input Source Select button.

Poor Focus

Picture is fuzzy, blurry, or

 

ghosting

Perform Auto Adjust via OSD.

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 (16:9).

Shaky/Jittery Video

Wavy picture or fine

Perform Auto Adjust via OSD.

 

movement

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.

 

 

For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:

 

 

support.dell.com.

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.

 

 

For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:

 

 

support.dell.com.

Brightness Problems

Picture too dim or too bright

Geometric Distortion

Screen not centered correctly

Horizontal/Vertical Lines

Screen has one or more lines

Reset the monitor to Factory Settings.

Auto Adjust via OSD.

Adjust brightness & contrast controls via OSD.

Reset the monitor to Factory Settings.

Auto Adjust via OSD.

Adjust horizontal & vertical controls via OSD.

NOTE: When using DVI-D input, the positioning adjustments are not available.

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.

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Dell 4691624, P2012H manual Common Symptoms What You Experience Possible Solutions, Support.dell.com

4691624, P2012H specifications

The Dell P2012H is a notable monitor in Dell's professional line, designed to cater to a wide range of needs, particularly in office and professional environments. Here are its main features, technologies, and characteristics.

The P2012H boasts a 20-inch display that utilizes an In-Plane Switching (IPS) panel. This technology ensures wide viewing angles and exceptional color accuracy, making it ideal for graphic design, photo editing, and other color-sensitive tasks. With a resolution of 1600 x 900 pixels, the monitor provides a crisp and clear picture, suitable for both everyday tasks and more complex graphical applications.

One of the key features of the Dell P2012H is its ergonomic design. The monitor offers a fully adjustable stand that allows users to tilt, swivel, and pivot the display to achieve optimal viewing angles. It also has height adjustment capabilities, which can help enhance comfort during long working hours. This focus on ergonomics is coupled with environmentally friendly features, such as Energy Star certification and a low power consumption rating, demonstrating Dell's commitment to sustainability.

Connectivity options on the Dell P2012H are versatile, including VGA, DVI, and DisplayPort inputs, allowing users to connect a variety of devices and systems easily. This range of connectivity ensures compatibility with older and newer hardware, making it flexible for various setups. Additionally, the monitor includes built-in USB ports, providing convenient access for peripherals and other devices.

The Dell P2012H is designed with the user in mind, featuring an anti-glare coating on the screen, which reduces reflections and helps minimize eye strain during extended use. Furthermore, the monitor supports multiple display configurations and can be daisy-chained with other compatible monitors, increasing productivity for users who require broader screen real estate.

In summary, the Dell P2012H is more than just a monitor; it is a thoughtfully designed professional tool that combines excellent display quality, ergonomic features, and versatile connectivity. Ideal for users in corporate and creative environments, the P2012H stands out as a reliable choice for those who value performance and comfort in their workspace. Its combination of technologies and characteristics ensures that it meets the demands of a variety of professional tasks while maintaining a user-friendly experience.