Dell U2720QM Monitor Usage and Troubleshooting Guide

The key features of Dell U2720QM monitor are:

• 3480 x 2160 (16:9) resolution, plus full-screen support for lower resolutions
• Display HDR 400
• 0.3 W standby power when in sleep mode
• On-Screen Display (OSD) adjustments for easy setup and screen optimization
• Plug and play capable if supported by your computer
• Tilt, swivel, height, and rotating adjustment
• Optimize eye comfort with a flicker-free screen
• Security-lock slot (optional)

This section provides some specifications of the Dell U2720QM monitor. To learn more about the specifications of the Dell U2720QM monitor, refer to the User's Guide at the Dell Manuals website.

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, 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, refer to the Setting Up the Monitor section in the User's Guide of your Dell U2720QM monitor.
To learn how to set up any other stand with a monitor, refer to 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), with 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 PC

To connect your Dell U2720QM monitor to your computer:

1. Turn off your computer and disconnect the power cable

2. Connect the DisplayPort, or VGA cable to the corresponding video or display port on the back of your computer

To learn more about connecting your monitor to the computer, refer to the Dell knowledge-base article How do I connect a monitor to a PC?.

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 1) at the bottom of the monitor.

To learn more about how to use the On-Screen Display (OSD) menu, refer to the Operating Your Monitor section in the User's Guide of Dell U2720QM monitor.

Figure 1: Dell U2720QM Front Panel Buttons

Figure 2: Dell U2720QM OSD Controls

Resetting a monitor to factory defaults can help resolve many video or display issues. To reset your Dell U2720QM monitor to factory default settings, follow these instructions:

1. Press Button 2 (Figure 2) on the monitor to enter the On-Screen Display (OSD) Menu.
2. Press either Button 1 to highlight Others option in the menu and press Button 2 to select.
3. Press either Button 1 to highlight Factory Reset option in the menu and press Button 2 to select.
4. Press Button 2 to confirm the reset action.

Figure 3: Dell U2720QM OSD Controls

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, refer to 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.

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, refer to 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 U2720QM monitor. Alternatively, to learn more about troubleshooting common issues on Dell monitors, refer to the Dell knowledge-base article Troubleshooting Display or Video Issues on a Dell Monitor.

To learn more about how to view or download the User Guides and Manuals for your Dell product, refer to the Dell knowledge-base article Manuals and Documentation for your Dell Product.

• Dell U2720QM – User’s Guide
• Dell U2720QM – Quick Setup Guide
• Dell U2720QM – Dell Display Manager User’s Guide

Using Windows Display Settings

In Windows 10, Windows 8 or 8.1 and Windows 7:

1. For Windows 8 and Windows 8.1 only, select the Desktop tile to switch to classic desktop view.
2. Right-click the desktop and click Screen Resolution.
3. Click the dropdown list of the Screen Resolution and select 3840 x 2160.
4. Click OK

Using the Nvidia Control Panel

To change the resolution using the Nvidia Control Panel:

1. Right-click the desktop and click Nvidia Control Panel.
2. Click the + symbol next to Display on the left pane.
3. Select Change Resolution under Display.
4. In the dropdown menu on the right pane, select the resolution 3840 x 2160.
5. Click Apply.

Using the AMD Catalyst Control Center

To change the resolution using the AMD Catalyst Control Center:

1. Right-click the desktop and click AMD Catalyst Control Center.
2. Click the + symbol next to Display on the left pane.
3. Select Change Resolution under Display.
4. In the dropdown menu on the right pane, select the resolution 3840 x 2160.
5. Click Apply.

To reset the Dell U2720QM Monitor to factory defaults, refer to the Reset to Factory Settings section of this article.

The Dell U2720QM monitor has two built-in diagnostics that are available:

• Self-Test Feature Check - The self-test feature check on the Dell U2720QM monitor allows you to check whether the monitor is functioning properly.

• Built-In Self-Test - The Dell U2720QM 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 etc., it is always a good practice to isolate the monitor by running the Built-In Diagnostics.

To learn how to run a diagnostic test, refer to the Running Diagnostics on Dell U2720QM 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 U2720QM 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 etc.

To navigate the On-Screen Display (OSD) menu, use the buttons on the monitor. The monitor control buttons are usually on the right-hand 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, refer to the Operating Your Monitor section in the User's Guide of your Dell U2720QM monitor.