Dell D7523QT Monitor Usage and Troubleshooting Guide
Summary: This article provides information about how to set up and use the Dell D7523QT monitor. Learn how to troubleshoot common display or video issues with the Dell D7523QTX monitor.
Instructions
The key features of the Dell D7523QT monitor are:
- 189.28 mm (74.52 in.) viewable area display (measured diagonally), 3840 x 2160 resolution (16:9 aspect ratio), plus full-screen support for lower resolutions.
- Built-in Speaker (2 x 12 W).
- Video Electronics Standards Association (VESA) 600 mm x 400 mm mounting holes for flexible mounting solutions.
- Plug-and-play capability if supported by your computer.
- Digital connectivity with DisplayPort and HDMI.
- On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
- Security-lock slot (cable lock optional purchase).
This section provides some technical specifications of the Dell D7523QT monitor. For more information, see the user manual of the Dell D7523QT monitor.
| Screen type | Active matrix - TFT LCD |
|---|---|
| Panel technology | In-Plane Switching |
| Maximum resolution | 3840 x 2160 at 60 Hz |
| Viewing angle | Horizontal 178° (typical) Vertical 178° (typical) |
| Contrast ratio | 1200:1 (typical) |
| Response time | 8 ms typical (Grey to Grey) |
| Color gamut | 72% National Television Standards Committee (NTSC)
NOTE: Color gamut (typical) is based on CIE1976 (82%) and CIE1931 (72%) test standards.
|
| Color depth | 1.07 billion colors (8bit+FRC) |
| Ports and connectors |
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For the best viewing experience, mount on the wall, connect and organize the cables, and set up the monitor ergonomically.
Wall mounting

Figure 1: VESA screw hole dimension
See installation instruction that comes with the third-party wall mount. VESA-compatible base mounting kit (600 x 400mm ).
- Install a wall plate on the Wall.
- Place the monitor panel on a soft cloth or cushion on a stable flat table.
- Attach the mounting brackets from the wall mounting kit to the monitor.
- Install the monitor to wall plate.
- Ensure that monitor is mounted vertically with no tilt forward or backward and a leveler is used to assist to mount the monitor.
Remote Control

Figure 2: Dell D7523QT Remote Control
| Button | Function | Description |
|---|---|---|
| 1 | Power on/Standby | Power on the computer or go into Standby mode. |
| 2 | Input source | Select input source. Press Button 3 or Button 5 to select from HOME, HDMI1, HDMI2, HDMI3, DP. Press Button 12 to confirm and exit. |
| 3 | Up | Press to move the selection up in the Settings menu. |
| 4 | Left | Press to move the selection left in the Settings menu. |
| 5 | Down | Press to move the selection down in the Settings menu. |
| 6 | Menu | Press to turn on the Settings menu. |
| 7 | Decrease Brightness | Press to decrease the Brightness. |
| 8 | Decrease Volume | Press to decrease the Volume. |
| 9 | Mute | Press to turn the mute function on/off. |
| 10 | Home Launcher | Go to Home Launcher. |
| 11 | Right | Press to move the selection right in the Settings menu. |
| 12 | OK | Confirm an entry or selection. |
| 13 | Back button | Return to the previous menu page or exit the current function. |
| 14 | Increase Brightness | Press to increase the brightness. |
| 15 | Increase Volume | Press to increase the volume. |
Operating range of the remote control
Point the top of the remote control toward the LCD monitor’s remote sensor during button operation.
Use the remote control within a distance of about 8 m from the remote control sensor or at a horizontal and vertical angle of within 30° within a distance of about 5.6 m.
Connecting your monitor to the computer
To connect your Dell D7523QT monitor to your computer:
- Turn off the computer.
- Connect the power cable to the monitor.
- Connect the video cable (DisplayPort, or HDMI) between the computer and the monitor.
NOTE: Setting up the monitor with a Dell docking station? Learn How to Connect and Set Up a Docking Station With a Dell Laptop.NOTE: Setting up more than one monitor? Learn How to Set up Multiple Monitors or see the user manual of the Dell D7523QT monitor.
- Connect the USB upstream cable between the monitor and computer (if available).
- Turn on the monitor.
- Turn on the computer.
For additional product-specific information, see the user manual of the Dell D7523QT monitor.
Dell D7523QT monitor orientation must always be in landscape mode. This includes any wall-mounted monitors, monitors on a stand, or a monitor arm. In a multiple monitor setup, the Dell D7523QT should not be rotated either to 180° (landscape) or 90° (portrait).
With the stand that is attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.
When mounted on the wall or on a monitor arm, the setup must comply with the recommended panel orientation and working angle.
Use the buttons on the monitor or remote control to access the on-screen display (OSD) menu of the monitor.
To learn more about navigating through the on-screen display (OSD) menu, see the Dell D7523QT Monitor User's Guide at Dell D7523QT Monitor Manuals and Documents.

Figure 3: Dell D7523QT front panel buttons.
| Button | Function |
|---|---|
| Button 1 | Energy saving mode, turn off the backlight |
| Button 2 | Open Settings |
| Button 3 | Audio mute on/of |
| Button 4 | Decrease audio output value |
| Button 5 | Increase audio output value |
| Button 6 | Return to the previous menu page. |
| Button 7 | Home Launcher |
| Button 8 | Power on the display or enter standby mode. |
Resetting a monitor to factory defaults can help resolve many video or display-related issues. To reset your Dell D7523QT monitor to factory default settings:
- Press Button 2 on the front panel to open Settings.
- Go to System.
- Go to Factory reset.
- Select Reset.

Figure 4: Dell D7523QT Front Panel Buttons.
During the LCD manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state. Such pixel issues are hard to see and do not affect the display quality or usability. Learn more about Dell LCD Monitor Pixel Guidelines.
The following table contains information about troubleshooting common display-related issues on your Dell D7523QT monitor.
Alternatively, learn How to Troubleshoot Display or Video Issues on a Dell Monitor or check our Dell monitor self-help guide.
| Common Problem | Possible Solution |
|---|---|
| No Video - Power LED Off |
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| No Video - Power LED On |
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| Poor Focus |
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| Shaky or Jittery Video |
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| Missing Pixels |
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| Stuck On/Off Pixels |
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| Brightness Problems |
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| Geometric Distortion |
NOTE: When using DisplayPort input, the positioning adjustments are not available.
|
| Horizontal or Vertical Lines |
NOTE: When using DisplayPort input, the positioning adjustments are not available.
|
| Synchronization Problems |
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| Safety-Related Issues |
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| Intermittent Problems |
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| Missing Color |
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| Screen image is too small. | |
| Cannot adjust the monitor with the buttons on the back of the panel. |
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| No Input Signal when user controls are pressed. |
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| The picture does not fill the entire screen. |
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Learn how to view or download the Manuals and Documentation for your Dell Product.
Frequently Asked Questions
For more information, click to expand a section below.
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 the classic desktop view.
- Right-click the desktop and click Screen Resolution.
- Click the dropdown list of the Screen Resolution and select 3840 x 2160.
- 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 3840 x 2160.
- 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 3840 x 2160.
- Click Apply.
Go to the reset to the Dell D7523QT monitor to factory settings section of this article or see the user manual of the Dell D7523QT monitor.
DisplayNote supports both the DisplayNote Montage and DisplayNote Broadcast applications directly.
To contact DisplayNote for technical support, go to DisplayNote Technical Support and DisplayNote Support Center
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The troubleshooting section of this article provides information about troubleshooting common issues with your Dell D7523QT monitor.
This 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.
Learn how to access the on-screen display (OSD) menu on the Dell D7523QT monitor. For additional product-specific information, see the user manual of the Dell D7523QT monitor.
Information about the monitor such as the model number, firmware version, and Service Tag can be accessed using the on-screen display (OSD) menu of the monitor.
Learn how to access the on-screen display (OSD) menu on the Dell D7523QT monitor. For additional product-specific information, see the user manual of the Dell D7523QT monitor.
For information about the supported orientation to set up the Dell D7523QT monitor, see the monitor orientation section of this article.