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Instructions

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Attaching the stand
Connecting your monitor to the computer
Self-Test Feature Check
Built-In Self-Test or Built-In Diagnostics
Frequently Asked Questions

Key Features of Dell P3223QE Monitor

The key features of the Dell P3223QE monitor are:

80 cm (31.5 in.) viewable area display (measured diagonally).
Wide viewing angles with 99% sRGB color.
3840 x 2160 (16:9) resolution, with full-screen support for lower resolutions.
Removable pedestal and Video Electronics Standards Association (VESA) 100 mm mounting holes for flexible mounting solutions.
Tilt, swivel, pivot, and vertical extension adjustment capabilities.
Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier setup with an elegant viewing experience.
Digital connectivity with DP and HDMI.
Plug-and-play capability if supported by your computer.
On-Screen Display (OSD) adjustments for ease of setup and screen optimization.
Power and OSD buttons lock.
Security lock slot.
≤0.3 W in Standby Mode.
Compatible with Dell Display Manager.
Optimize eye comfort with a flicker-free screen minimizes hazard blue light emission.
The monitor uses Low Blue Light panel and is in compliance with TUV Rheinland (Hardware Solution) at factory reset/default setting mode (Preset mode: Standard).
Decreases the level of hazard blue light that is emitted from the screen to make viewing more comfortable for your eyes.
The Monitor adopts Flicker-Free technology, which clears the eye visible flicker, brings comfort viewing experience and preventing users suffer from eye strain and fatigue.

WARNING: The possible long-term effects of blue light emission from the monitor may damage your eyes, including eye fatigue or digital eye strain. The ComfortView feature is designed to reduce the amount of blue light that is emitted from the monitor to optimize eye comfort.

Dell P3223QE Monitor Ports and Specifications

This section provides some technical specifications of the Dell P3223QE monitor. For more information, see the user manual of the Dell P3223QE monitor.

Table 1: Technical specifications of the Dell P3223QE monitor.

Screen type	Active matrix-TFT LCD
Panel type	In-Plane Switching (IPS)
Maximum resolution	3840 x 2160 at 60 Hz
Viewing angle	Horizontal - 178° (typical) Vertical - 178° (typical)
Contrast ratio	1000 to 1 (typical)
Response time (Gray to Gray	Normal mode 8 millisecond Fast mode 5 millisecond
Color gamut	99% sRGB
Color depth	1.07 billion colors
Ports and connectors	1 x DP 1.4 (in) port (HDCP 1.4, HDCP 2.2) 1 x HDMI 2.0 port (HDCP 1.4, HDCP 2.2) 1 x USB-C (USB 3.2 Gen 1 (5Gbps) upstream port, Power Delivery PD up to 90W) 4 x Super speed USB 5Gbps (USB 3.2 Gen1) downstream port 1 x RJ45 (Ethernet)

Set Up your Dell P3223QE Monitor

For the best viewing experience, assemble the monitor stand, connect and organize the cables, and set up the monitor ergonomically.

Attaching the stand

The standard monitor stand is detached when the monitor is shipped from the factory. To learn how to attach the standard monitor stand, see the user manual of the Dell P3223QE monitor.

To learn how to set up any other monitor stand or monitor arm, see the setup guide of the product.

CAUTION: Do not remove the monitor from the packaging box before attaching the stand.

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 should be set at eye level when you are sitting comfortably. Adjust your chair height or the height of the monitor to achieve this.

Connecting your monitor to the computer

To connect your Dell P3223QE monitor to your computer:

NOTE: Dell P3223QE supports display over USB-C port with Alternate mode DP 1.4. Ensure that the USB-C port on your computer supports Alternate mode DP 1.2 or above.

Turn off the computer.
Connect the power cable to the monitor.
Connect the video cable (USB-C, DisplayPort, or HDMI) between the computer and the 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 P3223QE monitor.

Dell P3223QE Monitor Orientation

CAUTION: Dell P3223QE setup must comply with the recommended panel orientation and working angle only. Setting up the monitor in an orientation that is not recommended may damage the monitor and/or cause a safety hazard.

When setting up your Dell P3223QE monitor, ensure that the monitor front panel buttons are at the bottom right.

Using the tilt, swivel, and vertical extension

WARNING: The monitor should not be rotated 180° (landscape). The monitor can be rotated at 90° portrait (see Figure 2).

NOTE: This is applicable for a monitor with a stand. When any other stand is bought, see the respective stand setup guide.

With the stand that is attached to the monitor, you can tilt, swivel, and adjust height the monitor for the most comfortable viewing angle.

Figure 1: Using Tilt and Swivel on Dell P3223QE monitor.

When mounted on the wall or on a monitor arm, the setup must comply with the recommended panel orientation and working angle.

Figure 2: Orientation of Dell P3223QE.

Using the On-Screen Display (OSD) Menu

Using the joystick control

Use the joystick at the rear of the monitor to access the On-Screen Display (OSD) menu of the monitor (see Figure 3). To access the On-Screen Display (OSD) menu, press joystick at the rear of the monitor.

Press the joystick button to launch the OSD main menu.
Move the joystick up, down, left, or right to switch between options.
Press the joystick button again to confirm the settings and exit.

Figure 3: Using joystick control for OSD menu on Dell P3223QE monitor

To learn more about navigating through the on-screen display (OSD) menu, see the user manual of the Dell P3223QE monitor.

NOTE: Any changes that you make are automatically saved. Whenever you move to another menu item, exit the OSD menu, or wait for the OSD menu to automatically close.

Reset the Dell P3223QE Monitor to Factory Default Settings

Resetting a monitor to factory defaults can help resolve many video or display-related issues. To reset your Dell P3223QE monitor to factory default settings;

Press the joystick button to launch the OSD main menu.
Move the joystick up or down to select Others option in the menu, and press the joystick button again to select.
Move the joystick up or down to select Factory Reset option in the menu and press the joystick button again to select.
Press the joystick button again to confirm the reset action.

Figure 4: Dell P3223QE OSD menu shows Factory Reset in Other option.

Run a Diagnostic Test on the Dell P3223QE Monitor

If the Dell monitor has a blank screen, blurry image, flickering, or other screen abnormalities, then running a diagnostic test helps determine if the Dell monitor is functioning normally.

If you are experiencing any of the following symptoms, verify that the monitor is working correctly by running a diagnostic test.

Your computer does not turn on or shows any sign of power.
Your computer does not show any indication of activity, the screen is blank and does not display the Dell logo during start-up.
Your computer is stuck at the Dell logo screen or does not respond to any keys during start-up.
You cannot see any display on the screen.
You can hear the windows chime but no display is seen.

Self-Test Feature Check

Your Dell P3223QE monitor provides a self-test feature check that allows you to check if 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 following these steps:

Turn off the computer and the monitor.
Unplug the video cable from the back of the computer. To ensure proper self-test operation, disconnect the video cable (VGA, DVI, HDMI, DisplayPort, or USB-C cable) from the back of the computer.
Turn on the monitor. A floating dialog box should appear on-screen (against a black background), if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains white. Also, depending upon the selected input, the dialog box will continuously scroll through the screen.
This box also appears during normal computer operation, if the video cable becomes disconnected or damaged.
Turn off the monitor and reconnect the video cable.
Turn on the computer and the monitor.

If the monitor screen remains blank after you use the above procedure, check your video card (GPU) and computer, because your monitor is functioning properly.

Built-In Self-Test or Built-In Diagnostics

Your Dell P3223QE monitor has an integrated 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.

If you notice any screen abnormalities, it is a good practice to isolate the monitor by running the built-in diagnostics (BID).

Press the joystick button to launch the OSD main menu.
Move the joystick up or down to select Others option in the menu, and press the joystick button again to select.
Move the joystick up or down to select Self-Diagnostic option in the menu and press the joystick button again to select.
Press the joystick button again to start the diagnostics.
A gray screen is displayed.
Observe if the screen has any defects or abnormalities.
Press the joystick button again until a red screen is displayed.
Observe if the screen has any defects or abnormalities.
Repeat steps 7 and 8 until the screen displays green, blue, black, and white colors. Note any abnormalities or defects.
The test is complete when the text screen appears. To exit, press the joystick control again.

If you do not detect any screen abnormalities in the diagnostics test, the monitor is functioning properly. Check the video card (GPU) and the computer.

If you notice any abnormalities in the diagnostics test, contact Dell Technical Support for repair options.

Dell LCD Monitor Pixel Guidelines

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.

Common Troubleshooting Steps

The following table contains information about troubleshooting common display-related issues on your Dell P3223QE monitor.

Alternatively, learn How to Troubleshoot Display or Video Issues on a Dell Monitor or check our Dell monitor self-help guide.

Table 3: Troubleshooting common display issues on Dell P3223QE monitor.

Common Problem	What User Experiences	Possible Solution
No Video - Power LED Off	No picture.	Ensure that the power cable connecting to the monitor is properly connected and secure. Verify that the power outlet is functioning properly by using any other electrical equipment. Ensure that the power button is pressed fully. Test with a known-good cable and known-good computer if possible.
No Video - Power LED On	No picture or no brightness.	Increase the brightness and contrast of the monitor using the On-Screen Display (OSD) menu. Run the monitor self-test feature check. Check for bent or broken pins in the video cable connector. Reseat both ends of the video cable. Try with a known-good video cable. Run the built-in diagnostic (BID) test. Ensure that the correct input source is selected using the Input Source Select button. Test the monitor with a known-good computer if available.
Missing Pixels	LCD screen has spots.	Turn off the monitor and then turn on the monitor after a few minutes. Pixel that is permanently off is a natural defect that can occur in LCD technology. Run the built-in diagnostic (BID) test.
Stuck On or Off Pixels	LCD screen has bright spot.	Turn off and then turn on the monitor. A few permanently bright or dark pixels are considered normal by industry standards. The exact number of pixels that are allowed varies depending on the monitor. See the Dell LCD Monitor Pixel Guidelines for more details. Run the built-in diagnostic (BID) test.
Brightness Problems	Picture too dim or too bright.	Dim or discolored video can be caused by the video cable, so try reseating the cable and swapping with a known-good part. Reset the monitor to factory settings. Perform Auto Adjust using the On-Screen Display (OSD) menu. Adjust the Brightness and Contrast controls using the On-Screen Display (OSD) menu.
Safety-Related Issues	Visible signs of smoke or sparks.	Do not perform any troubleshooting steps. Contact Dell Technical Support immediately.
Intermittent Problems	Monitor malfunctions on and off.	Ensure that the video cable is connected properly with the monitor and the computer. Reset the monitor to factory settings. Run the monitor self-test feature check and determine if the intermittent problem occurs in the self-test mode.
Missing Color	Picture does not have color.	Run the monitor self-test feature check. Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. Check for bent or broken pins in the video cable connector.
Wrong Color	Picture color is not good.	Try a different Preset Modes in the Color Settings using the On-Screen Display (OSD) menu. Adjust the R, G, B values in the Color Settings OSD, if Color Management is turned off. Change the input color format to computer RGB or YPbPr in the Color Settings using the On-Screen Display (OSD) menu. Run the built-in diagnostics.
Image Retention from a Static Image Left on the Monitor for a Long Period	Faint shadow from the static image appears on the screen.	Use the Power Management feature to turn off the monitor when it is not in use. Alternatively, use a dynamically changing screensaver.
Screen image is too small.	Image is centered on screen, but does not fill entire viewing area.	Check the Aspect Ratio setting using the On-Screen Display (OSD) menu. Reset the monitor to factory settings.
Cannot adjust the monitor with the buttons on the front panel.	OSD does not appear on the screen.	Turn off the monitor, unplug the monitor power cable, plug it back, and then turn on the monitor.
No Input Signal when user controls are pressed.	No picture, the power LED light is white.	Check the signal source. Ensure that the computer is not in power-saving mode by moving the mouse or pressing any key on the keyboard. Ensure that the video cable is connected properly with the monitor and the computer. Restart the computer.
The picture does not fill the entire screen.	The picture cannot fill the height or width of the screen.	Due to different video formats (aspect ratio) of DVDs and videos, the monitor may display on the screen. Run the built-in diagnostic (BID) test.
No image when using USB-C connection to computer, laptop, and so on.	Black screen	Verify if the USB-C interface of the device can support DP alternate mode. Verify if the device required more than 90W power charging. USB-C interface of device cannot support DP alternate mode. Set Windows to Projection mode. Ensure that the USB-C cable is not damaged.
No charging when using USB-C connection to computer, laptop, and so on.	No charging	Verify if the device can support one of 5V, 9V, 15V, or 20V charging profiles. Verify if the laptop requires greater than 90W power adapter. If yes, then it may not charge with the USB-C connection. Ensure that you use only Dell approved adapter or the adapter that comes with the product. Ensure that the USB-C cable is not damaged.
Intermittent charging when using USB-C connection to computer, laptop, and so on.	Intermittent charging	Check if the maximum power consumption of device is over 90W. Ensure that you use only Dell approved adapter or the adapter that comes with the product. Ensure that the USB-C cable is not damaged.
Refresh rate drop to 30 Hz or color bits drop to 6 bits.	Refresh rate drop or color bits drop.	The monitor is 2 Lane default for USB-C, it needs to switch the USB-C prioritization to high resolution for full performance image for DP 1.2 platform.
No network connection	Network dropped or intermittent	Do not turn Off the power button when network is connected. Keeps the power button On.
The LAN port is not functioning.	Operating computer setting or cable connection issue	Ensure that the latest BIOS and drivers for your computer are installed on your computer. Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager. If your BIOS Setup has a LAN/GBE Enabled or Disabled option, ensure it is set to Enabled. Ensure that the Ethernet cable is connected securely on the monitor and the hub/router/firewall. Check the status LED of the Ethernet cable to confirm connectivity. Reconnect both ends of the Ethernet cable if the LED is not lit. First turn off the Computer and unplug the Type-C cable and power cable of the monitor. Then, turn on the computer, plug in the monitor power cable the Type-C cable.

The following table contains information about troubleshooting USB issues on your Dell P3223QE monitor.

Table 4: Troubleshooting USB issues on Dell P3223QE monitor.

Troubleshooting USB Issues
Specific Symptoms	What User Experiences	Possible Solution
USB interface is not working.	USB devices are not working.	Check that your monitor is turned On. Reconnect the upstream cable to your computer. Reconnect the USB devices (downstream connector). Switch Off and then turn On the monitor again. Reboot the computer. Some USB devices such as an external hard drive require a higher electric current, connect the device directly to the computer.
Super speed USB 5 Gbps (USB 3.2 Gen1) interface is slow.	USB 3.2 Gen1 devices working slowly or not working at all	Check that your computer is USB 3.2 Gen1 capable. Some computers have USB 3.2 Gen1, USB 2.0, and USB 1.1 ports. Ensure that the correct USB port is used. Reconnect the upstream cable to your computer. Reconnect the USB devices (downstream connector). Reboot the computer.
Wireless USB devices stop working when a USB 3.2 Gen1 device is plugged in.	Wireless USB devices responding slowly or only working as the distance between itself and its receiver decreases.	Increase the distance between the USB 3.2 Gen1 devices and the wireless USB receiver. Position your wireless USB receiver as close as possible to the wireless USB devices. Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.2 Gen1 port.

Manuals and Documentation

Frequently Asked Questions

For more information, click to expand a section below.

How do I set the maximum resolution on the Dell P3223QE monitor?

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 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.

How do I run diagnostics on the Dell P3223QE monitor?

The Dell P3223QE monitor has two built-in diagnostics that are available:

Self-Test Feature Check - The self-test feature check on the Dell P3223QE monitor allows you to check whether the monitor is functioning properly.
Built-In Self-Test - The Dell P3223QE 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 such as distortion, clarity, horizontal or vertical lines, color fade. It is always a good practice to isolate the monitor by running the built-in diagnostics.

Learn how to run a diagnostic test on the Dell P3223QE monitor.

How do I charge my laptop using the USB-C cable?

The USB-C port on your Dell P3223QE supports USB Power Delivery, Data, and DisplayPort video signal. The USB-C port can be used for video and data signal, and supply power (90 W) to a compatible laptop using a single USB-C cable that is provided with the monitor.

NOTE: Dell P3223QE can supply power using the USB-C cable only to a compatible laptop that supports Power Delivery (PD) over USB-C. Not all laptops with USB-C support Power Delivery. For more information, see the user manual or contact the laptop manufacturer.

NOTE: USB-C power delivery-compliant port (PD version 2.0) delivers up to 90 W of power. If your laptop requires more than 90 W to operate and the battery is drained. It is recommended you use the standard AC adapter of the laptop to turn on and charge the laptop battery.

If you are using a Dell laptop that supports charging using USB-C, Dell recommends installing the latest BIOS and video card (GPU) driver. Learn How to Download and Install Dell Drivers.