For help with video or display issues such as: no video or no display, blank or black screen, flickering, resolution or color issues, horizontal or vertical lines, so forth see the expanding section below.
The Dell SE2423DS monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), anti-static, and LED backlight. The monitor has the following features:
This section provides some specifications of the Dell SE2423DS monitor. To learn more about the specifications of Dell SE2423DS monitor, see the User's Guide at the Dell Manuals website.
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Ensuring that your Dell monitor is set up properly. Assembling the monitor stand and setting up the monitor ergonomically. Connecting the cables and organizing them. These will only help make the viewing experience the best it possibly can be.
The standard monitor stand is detached when the monitor is shipped from the factory. To learn more about attaching the standard monitor stand. See the Setting Up the Monitor section in the User's Guide of your Dell SE2423DS monitor.
To learn how to set up any other stand with a monitor, see the respective stand setup guide for setup instructions.
Where you put your monitor is almost as important as what model you buy. The monitor should be directly in front of you, at an arm’s length away (between 20-40 inches from your eyes). The top edge of the screen at eye level when you are sitting comfortably. You may need to adjust your chair height or the height of the monitor to achieve this.
To connect your Dell SE2423DS monitor to your personal computer:
To learn more about connecting your monitor to the personal computer, see the Dell knowledge-base article: How do I connect a monitor to a personal computer?
Dell SE2423DS monitor orientation must always be in landscape mode. This includes any wall-mounted monitors and monitors on a stand. In a multiple monitor setup, Dell SE2423DS should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell SE2423DS monitor, ensure that the monitor front panel buttons is on the bottom right.
With the stand that is attached to the monitor, you can tilt and vertical extent the monitor for the most comfortable viewing angle.
Figure 1: Using Tilt on Dell SE2423DS monitor
Figure 2: Using vertical extension on Dell SE2423DS monitor
Use the buttons at the bottom of the monitor to access the On-Screen Display (OSD) menu of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 (Figure 2) at the bottom of the monitor.
Learn more about using the On-Screen Display (OSD) menu. See the Operating Your Monitor section in the User's Guide of Dell SE2423DS monitor.
Figure 3: Dell SE2423DS Front Panel Buttons
Button | Function | Description |
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Button 1 | Shortcut key/Preset Modes. | Use this button to choose from a list of preset modes. |
Button 2 | Shortcut key/Brightness/Contrast | Use this button to adjust the brightness or the contrast. |
Button 3 | Menu | Use the MENU button to launch the On-Screen Display (OSD). |
Button 4 | Exit | Use this button to go back to the main menu or exit the OSD main menu. |
Button 5 | Power (with power light indicator) | To turn the monitor on or off. Solid white light indicates that the monitor is turned on and functioning normally. Blinking white light indicates that the monitor is in Standby Mode. |
Resetting a monitor to factory defaults can help resolve many video or display issues. To reset your Dell SE2423DS monitor to factory default settings, follow these instructions:
Figure 4: Dell SE2423DS Front Panel Buttons
If your Dell monitor has a blank or black screen, fuzzy or blurry image, flickering, distorted or any other screen abnormalities, running a diagnostic test helps determine if the Dell monitor is functioning normally. To learn more about diagnostic options on a Dell monitor, see the Dell knowledge-base article: How do I run diagnostics on a Dell monitor?
It is always essential to isolate the monitor while troubleshooting your computer for the following scenarios:
Your Dell SE2423DS Monitor provides a self-test feature check that allows you to check whether the monitor is functioning properly. If the monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
Your Dell SE2423DS monitor has a built-in diagnostic tool. It helps to determine if the screen abnormality you are experiencing is a problem with the monitor or with the video card on your computer.
When you notice screen abnormalities like distortion, clarity, horizontal or vertical lines, color fade, it is always a good practice to isolate the monitor by running the Built-In Diagnostics.
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state. Which is hard to see and do not affect the display quality or usability. For more information, see the Dell knowledge-base article Dell LCD Monitor Pixel Guidelines.
This section provides information about troubleshooting steps that can help resolve the most common issues with the Dell SE2423DS monitor. Alternatively, to learn more about troubleshooting common issues on Dell monitors, see the Dell knowledge-base article Troubleshooting Display or Video Issues on a Dell Monitor or use our Monitor self-help Guide.
Common Problem | What User Experiences | Possible Solution |
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No Video - Power LED Off | No picture |
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No Video - Power LED On | No picture or no brightness. |
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Poor Focus | Picture is fuzzy, blurry, or ghosting. |
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Shaky or Jittery Video | Wavy picture or fine movement. |
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Missing Pixels | LCD screen has spots. |
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Stuck-On/Off Pixels | LCD screen has bright spot. |
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Brightness Problems | Picture too dim or too bright. |
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Geometric Distortion | Screen not centered correctly. |
NOTE: When using DisplayPort input, the positioning adjustments are not available.
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Horizontal or Vertical Lines | Screen has one or more lines. |
NOTE: When using DisplayPort input, the positioning adjustments are not available.
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Synchronization Problems | Screen is scrambled or appears torn. |
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Intermittent Problems | Monitor malfunctions on and off. |
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Missing Color | Picture does not have color. |
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Wrong Color | Picture color is not good. |
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Image Retention from a Static Image Left on the Monitor for a Long Period | Faint shadow from the static image appears on the screen. |
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Screen image is too small. | Image is centered on screen, but does not fill entire viewing area. |
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Image Ghosting | Fast-moving images leave a trail of shadow images. | On certain video and applications with fast-moving images, imaging ghosting, which appears as a trailing shadow, may occur. Change the Response Time to Fast in the Display menu. |
No Input Signal when user controls are pressed. | No picture, the power LED light is white. |
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The picture does not fill the entire screen. | The picture cannot fill the height or width of the screen. |
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No Video, No Display | No video when connecting docking, dongle, or Blu-ray DVD players | Due to legacy platform cannot recognize or output 2560 x 1440, we suggest changing EDID to lower resolution to cover this compatibility problem.
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To learn more about how to view or download the User Guides and Manuals for your Dell product. See the Dell knowledge-base article Manuals and Documentation for your Dell Product.
Using Windows Display Settings
In Windows 11, Windows 10, Windows 8 or 8.1 and Windows 7:
Using Nvidia Control Panel
To change the resolution using the Nvidia Control Panel:
Using AMD Catalyst Control Center
To change the resolution using the AMD Catalyst Control Center:
To reset the Dell SE2423DS Monitor to factory defaults, see the Reset to Factory Settings section of this article.
The Dell SE2423DS monitor has two built-in diagnostics that are available:
To learn how to run a diagnostic test, see the Running Diagnostics on Dell SE2423DS Monitor section of this Dell knowledge-base article.
The Troubleshooting section of this Dell knowledge-base article provides information about troubleshooting common issues with the Dell SE2423DS monitor. The section has troubleshooting steps on how to resolve power issues, video issues, color or clarity issues, distortion issues, horizontal or vertical lines, brightness issues or pixel issues and so on.
To navigate the On-Screen Display (OSD) menu, use the buttons on the monitor. The monitor control buttons are usually on the right side, either on the side, front, or bottom of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 on the monitor.
For more information about using the On-Screen Display (OSD) menu and different menu options. See the Operating Your Monitor section in the User's Guide of your Dell SE2423DS monitor.
.Extra monitor information like the model number, firmware version and Service Tag can be accessed from the monitor's OSD (On-Screen Display).
Dell SE2423DS monitor orientation must always be in landscape mode. This includes any wall-mounted monitors and monitors on a stand. In a multiple monitor setup, Dell SE2423DS should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell SE2423DS monitor, ensure that the monitor front panel buttons is on the bottom right.
With the stand that is attached to the monitor, you can tilt and vertical extent the monitor for the most comfortable viewing angle.
Figure 1: Using Tilt on Dell SE2423DS monitor
Figure 2: Using vertical extension on Dell SE2423DS monitor