Dell S2723HC Monitor Usage and Troubleshooting Guide
Summary: Learn how to use and troubleshoot issues that are related to the Dell 27 USB C Monitor S2723HC Monitor.
Instructions
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 S2723HC monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include:
- 68.6 cm (27 in.) active area display (measured diagonally). 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.
- Speakers (2 x 3 W).
- Removable pedestal and Video Electronics Standards Association (VESA) 100 mm mounting holes for flexible mounting solutions.
- Ultrathin bezel minimizes the bezel gap in multimonitor usage, enabling easier setup with an elegant viewing experience.
- Extensive digital connectivity with HDMI helps future-proof your monitor.
- plug-and-play capability if supported by your computer.
- On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
- Supports AMD FreeSync technology. AMD Freesync certified range from 48 Hz - 75 Hz.
- Color gamut of 99% sRGB.
- Digital connectivity with USB Type-C and HDMI.
- Use a USB Type-C cable to provide power (up to 65 W) to compatible notebook while receiving video and data signal.
- Tilt, swivel, pivot, and height adjustment capabilities.
- Power and OSD buttons lock.
- ≤ 0.3 W in Off Mode.
- Security-lock slot.
- Optimize eye comfort with a flicker-free screen.
- Optimize eye comfort with a flicker-free screen minimizes hazard blue light emission.
- The Monitor use Low Blue Light panel and compliance with TUV Rheinland (Hardware Solution) at factory reset/default setting model.
This section provides some specifications of the Dell S2723HC monitor. To learn more about the specifications of Dell S2723HC monitor, see the User's Guide at the Dell Manuals website.
| Screen type |
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| Panel technology |
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| Maximum resolution |
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| Viewing angle |
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| Contrast ratio |
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| Response time |
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| Color gamut |
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| Color depth |
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| Ports and connectors |
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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.
Attaching the stand
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 S2723HC monitor.
To learn how to set up any other stand with a monitor, see the respective stand setup guide for setup instructions.
Ergonomics
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.
Connecting your monitor to the personal computer
To connect your Dell S2723HC monitor to your personal computer:
- Turn off your personal computer and disconnect the power cable.
- Connect the DisplayPort, HDMI, or USB Type-C cable to the corresponding video or display port on the back of 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?
- Connect the USB upstream cable to the monitor and personal computer.
Dell S2723HC 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 S2723HC should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell S2723HC monitor, ensure that the monitor front panel buttons is on the bottom right.
Using the Tilt, Swivel, and Vertical Extension
With the stand that is attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.

Figure 1: Using Tilt, Swivel, and Vertical Extension on Dell S2723HC monitor
Rotating the display
- Extend the display vertically until the top of the stand riser.
- Tilt the display back completely to avoid hitting the bottom edge of the display.
- Rotate the display 90 degrees in clockwise or counterclockwise direction.

Figure 2: Rotating the Dell S2723HC 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 3) 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 S2723HC monitor.

Figure 3: Dell S2723HC Front Panel Buttons
| Button | Function | Description |
|---|---|---|
| Button 1 | Shortcut key: Preset Modes | Use this button to choose from a list of preset color modes. |
| Button 2 | Shortcut key: Volume | Use this button to adjust the volume of the built-in speakers. |
| Button 3 | Menu | Use this menu button to launch the on-screen display (OSD) and select the OSD menu. |
| Button 4 | Exit | Use this button to go back to the main menu or exit the OSD main menu. |
| Button 5 | Power Button (with power-status light) | 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 S2723HC monitor to factory default settings, follow these instructions:
- Press Button 3 (Figure 3) on the monitor to enter the On-Screen Display (OSD) Menu.
- Press Button 1 or Button 2 to highlight Others option in the menu and press Button 3 to select.
- Press Button 1 or Button 2 to highlight Factory Reset option in the menu and press Button 3 to select.
- Press Button 3 to confirm the reset action.

Figure 3: Dell S2723HC 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:
- No Power - Your computer is not powering ON or showing any signs of power.
- No POST - Your computer is not showing any indication of activity, the screen might be blank and will not display the Dell logo during start-up.
- No Video - You are unable to see any display on the screen, able to hear the windows chime but no display is seen.
Your Dell S2723HC 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:
- Turn off both your computer and the monitor.
- Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove the video cables (VGA, DVI, HDMI, or DisplayPort) from the back of the computer.
- Turn on the monitor.
- Turn off your monitor and reconnect the video cable: Then turn on both your computer and the monitor.
- If your monitor screen remains blank after you use the previous procedure, check your video card (GPU) and computer, because your monitor is functioning properly.
Your Dell S2723HC 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.
- Ensure that the screen is clean (no dust particles on the surface of the screen).
- Unplug the video cables from the back of the computer or the monitor. The monitor will now enter self-test mode.
- On the front panel, press and hold Button 2 on the front panel for 5 s. A gray screen appears.
- Carefully inspect the screen for abnormalities.
- Press Button 2 on the front panel again. The color of the screen changes to red.
- Inspect the display for any abnormalities.
- Repeat step 5 and step 6 to inspect the display in green, blue, black, white, and text screens.
- The test is complete when the white screen appears.
- Press Button 2 to exit the Built-In Self-Test diagnostics.
If you notice any abnormalities during Built-In Diagnostics, you may get the monitor repaired or replaced if it is under warranty by contacting Dell Technical Support.
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 S2723HC 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 |
|---|---|---|
| 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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| 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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| Safety-Related Issues | Visible signs of smoke or sparks. |
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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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| 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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| Troubleshooting USB Issues | ||
|---|---|---|
| Specific Symptoms | What User Experiences | Possible Solution |
| USB interface is not working. | USB devices are not working. |
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| Super speed USB 3.2 Gen 1 interface is slow. | Super speed USB 3.2 devices working slowly or not working at all |
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| Wireless USB devices stop working when a USB 3.0 device is plugged in. | Wireless USB devices responding slowly or only working as the distance between itself and its receiver decreases. |
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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.
- Dell S2723HC - User’s Guide
- Dell S2723HC - Quick Setup Guide
- Dell S2723HC - Dell Display Manager User’s Guide
Frequently asked questions
Using Windows Display Settings
In Windows 11, Windows 10, Windows 8 or 8.1 and Windows 7:
- For Windows 8 and Windows 8.1 only, select the Desktop tile to switch to classic desktop view.
- Right-click the desktop and click Screen Resolution.
- Click the dropdown list of the Screen Resolution and select 1920 x 1080.
- Click OK
Using Nvidia Control Panel
To change the resolution using the Nvidia Control Panel:
- Right-click the desktop and click Nvidia Control Panel.
- Click the + symbol next to Display on the left pane.
- Select Change Resolution under Display.
- In the dropdown menu on the right pane, select the resolution 1920 x 1080.
- Click Apply.
Using AMD Catalyst Control Center
To change the resolution using the AMD Catalyst Control Center:
- Right-click the desktop and click AMD Catalyst Control Center.
- Click the + symbol next to Display on the left pane.
- Select Change Resolution under Display.
- In the dropdown menu on the right pane, select the resolution 1920 x 1080.
- Click Apply.
To reset the Dell S2723HC Monitor to factory defaults, see the Reset to Factory Settings section of this article.
The Dell S2723HC monitor has two built-in diagnostics that are available:
- Self-Test Feature Check - The self-test feature check on the Dell S2723HC monitor allows you to check whether the monitor is functioning properly.
- Built-In Self-Test - The Dell S2723HC monitor has a built-in self-test that helps you identify if the screen abnormality is with the monitor or the video card (GPU) 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.
To learn how to run a diagnostic test, see the Running Diagnostics on Dell S2723HC 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 S2723HC 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.
Use the joystick control on the rear of the monitor to make OSD adjustments.
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 S2723HC monitor.
.More monitor information like the model number, firmware version and Service Tag can be accessed from the monitor's OSD (On-Screen Display).
- Press Button 3 (Figure 3) on the monitor to enter the On-Screen Display (OSD) Menu.
- Press Button 1 or Button 2 to highlight Others option in the menu and press Button 3 to select.
- Press Button 1 or Button 2 to highlight Model Number or Firmware Version option in the menu and press Button 3 to select.
- Press Button 3 to exit the OSD menu.
- Press Button 3 (Figure 3) on the monitor to enter the On-Screen Display (OSD) Menu.
- Press Button 1 or Button 2 to highlight Others option in the menu and press Button 3 to select.
- Press Button 1 or Button 2 to highlight Model Number or Firmware Version option in the menu and press Button 3 to select.
- Press Button 3 to exit the OSD menu.

Figure 3: Dell S2723HC Front Panel Buttons
USB Type-C port on your Dell S2723HC supports USB Power Delivery, Data, and DisplayPort video signal. The USB Type-C port can be used for video and data signal, and supply power (65 W) to a compatible laptop personal computer using a single USB Type-C cable that is provided with the monitor.
If you are using a Dell laptop personal computer that supports charging over USB Type-C. It is recommended to update the BIOS and Video or Graphics card (GPU) driver. To learn how to download and update a device driver, see the Dell knowledge-base article: How do I download and install a device driver?
Dell S2723HC 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 S2723HC should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell S2723HC monitor, ensure that the monitor front panel buttons is on the bottom right.
Using the Tilt, Swivel, and Vertical Extension
With the stand that is attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.

Figure 1: Using Tilt, Swivel, and Vertical Extension on Dell S2723HC monitor
Rotating the display
- Extend the display vertically until the top of the stand riser.
- Tilt the display back completely to avoid hitting the bottom edge of the display.
- Rotate the display 90 degrees in a clockwise or counterclockwise direction.

Figure 2: Rotating the Dell S2723HC monitor