Dell P3223DE Monitor User’s Guide Model: P3223DE Regulatory model: P3223DEt
NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 About Your Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . 7 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Identifying Parts and Controls . . . . . . . . . . . . . . . . . . 9 Front View . . . . . . . . . . . . . . . .
Tilt, Swivel and Vertical Extension . . . . . . . . . . . . . . . . . . . . . 32 Rotating the Monitor . . . . . . . . . . . . . . . . . . . . . . .32 Adjusting the Rotation Display Settings of Your System . . . . 33 Organizing Your Cables . . . . . . . . . . . . . . . . . . . . . .34 Connecting Your Monitor . . . . . . . . . . . . . . . . . . . . .35 Dell Power Button Sync (DPBS) . . . . . . . . . . . . .
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 FCC Notices (U.S. Only) and Other Regulatory Information . . 79 Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . .79 EU Product Database for Energy Label and Product Information Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Instructions CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on a solid surface and handle it carefully. The screen is fragile and can be damaged if dropped or hit sharply. • Always be sure that your monitor is electrically rated to operate with the AC power available in your location. • Keep the monitor in room temperature.
About Your Monitor Package Contents Your monitor ships with the components shown in the following table. Ensure that you have received all the components and see Contact Dell if anything is missing. NOTE: Some items may be optional and may not ship with your monitor. Some features or media may not be available in certain countries.
• Quick Setup Guide • Safety,Environmental,and Regulatory Information NOTE: USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum. Features The Dell P3223DE monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and Light Emitting Diode (LED) backlight. The following are the monitor features: • 80 cm (31.5 in.) active area display (Measured diagonally) 2560 x 1440 (16:9) resolution, plus full-screen support for lower resolutions.
WARNING: The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, including eye fatigue, digital eye strain, and so on. ComforView Plus feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort. Identifying Parts and Controls Front View 1 Label Description Use 1 Power LED indicator Solid white light indicates the monitor is turned on and functioning normally.
Back View 6 5 4 3 2 7 1 8 Label Description Use 1 Joystick Controls the OSD menu. 2 Power on/off button Turns the monitor on or off. 3 Barcode, serial number, and Service Tag label Refer to this label if you need to contact Dell for technical support. 4 Stand release button Release stand from monitor. 5 Regulatory label Lists the regulatory approvals.
Bottom View 12 1 2 3 4 567 89 1011 Label Description Use 1 Security lock slot Secures monitor with security cable lock (sold separately). 2 AC power port To connect the monitor power cable. 3 HDMI port Connect your computer with HDMI cable (sold separately). 4 DP port (in) Connect your computer with DP cable. 5 DP port (out) DP output for MST (multi-stream transport) capable monitor. To enable MST, refer to instruction on section “Connecting the Monitor for DP MST Function”.
9 RJ-45 connector Connect Internet. You can surf Internet via RJ45 only after you have connected the USB cable (A to C or C to C) from the computer to the monitor. 12 Stand lock Lock the stand to the monitor using a M3 x 6 mm screw (screw not included).
Monitor Specifications Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 800.01 mm (31.5 in.) Active Area Horizontal 698.11 mm (27.48 in.) Vertical 392.69 mm (15.46 in.) Area 274140.82 mm2 (424.92 in.2) Pixel pitch 0.2727 mm x 0.2727 mm Pixel per inch (PPI) 93.
Top Left/Right Bottom 7.57 mm 7.55 mm 17.40 mm Adjustability Height adjustable stand 150 mm Tilt -5° to 21° Swivel -30 to 30° Pivot -90 to 90° Cable management Yes Dell Display Manager (DDM) Easy Arrange and other key features Compatibility Security Security lock slot (cable lock sold separately) * At panel native only, under Custom Mode preset.
Preset Display Modes Display Mode IBM, 720 x 400 VESA, 640 x 480 VESA, 640 x 480 VESA, 800 x 600 VESA, 800 x 600 VESA, 1024 x 768 VESA, 1024 x 768 VESA, 1152 x 864 VESA, 1280 x 1024 VESA, 1280 x 1024 VESA, 1600 x 1200 CTA, 1920 x 1080 CVR, 2560 x 1440 Horizontal Frequency (kHz) 31.47 31.47 37.50 37.88 46.88 48.36 60.02 67.50 63.98 79.98 75.00 67.50 88.79 Vertical Frequency (Hz) 70.08 59.94 75.00 60.32 75.00 60.00 75.03 75.00 60.02 75.02 60.00 60.00 59.95 Pixel Clock (MHz) 28.32 25.18 31.50 40.00 49.
DP MST Multi-Stream Transport (MST) Modes MST Source Monitor Maximum number of external monitors that can be supported 2560 x 1440/60 Hz 8 bit 10 bit HBR3 (High Resolution) 4 3 HBR2 (High Resolution) 2 2 NOTE: Maximum external monitor resolution supported is 2560 x 1440 60 Hz only.
Electrical Specifications Video input signals Input voltage/ frequency/ current Inrush current Power Consumption • Digital video signal for each differential line Per differential line at 100 ohm impedance • DP / HDMI / USB-C signal input support 100-240 VAC / 50 or 60 Hz 2.3 A (maximum) 120 V: 42 A (Max.) 240 V: 80 A (Max.) 0.3 W (Off Mode)1 0.3 W (Standby Mode)1 29.90 W (On Mode)1 183 W (Max)2 23.45 W (Pon)3 75.37 kWh (TEC)3 As defined in EU 2019/2021 and EU 2019/2013.
Physical Characteristics Connector type • DP connector (include DP in and DP out) • HDMI connector • USB-C connector • USB 3.2 Gen1 (5 Gbps) downstream port connector x 4 • RJ45 connector Signal cable type • DP to DP 1.8 M cable • USB-C to C 1 M cable • USB-A to C 1.8 M cable Dimensions (with stand) Height (extended) 617.15 mm (24.30 in.) Height (compressed) 467.44 mm (18.40 in.) Width 712.42 mm (28.05 in.) Depth 230.10 mm (9.06 in.) Dimensions (without stand) Height 417.10 mm (16.42 in.
Weight without stand assembly (For wall mount or VESA mount considerations - no cables) 7.06 kg (15.56 lb.) Weight of stand assembly 4.27 kg (9.41 lb.) Environmental Characteristics Compliant Standards • ENERGY STAR certified Monitor. • EPEAT registered where applicable. EPEAT registration varies by country. See https://www.epeat.net for registration status by country. • TCO Certified & TCO Certified Edge. • RoHS Compliant. • BFR/PVC Free monitor (excluding external cables).
Pin Assignments DP Port (in) Pin number 20-pin side of the connected signal cable 1 ML3(n) 2 GND 3 ML3(p) 4 ML2(n) 5 GND 6 ML2(p) 7 ML1(n) 8 GND 9 ML1(p) 10 ML0(n) 11 GND 12 ML0(p) 13 CONFIG1 14 CONFIG2 15 AUX CH (p) 16 GND 17 AUX CH (n) 18 Hot Plug Detect 19 Return 20 DP_PWR 20 | About Your Monitor
DP port (out) Pin number 20-pin side of the connected signal cable 1 ML0(p) 2 GND 3 ML0(n) 4 ML1(p) 5 GND 6 ML1(n) 7 ML2(p) 8 GND 9 ML2(n) 10 ML3(p) 11 GND 12 ML3(n) 13 CONFIG1 14 CONFIG2 15 AUX CH(p) 16 GND 17 AUX CH(n) 18 Hot Plug Detect 19 Return 20 DP_PWR About Your Monitor | 21
HDMI Port Pin number 19-pin side of the connected signal cable 1 TMDS DATA 2+ 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2- 4 TMDS DATA 1+ 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1- 7 TMDS DATA 0+ 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0- 10 TMDS CLOCK+ 11 TMDS CLOCK SHIELD 12 TMDS CLOCK- 13 CEC 14 Reserved (N.C.
USB-C Port Pin Signal Pin Signal A1 GND B12 GND A2 SSTXp1 B11 SSRXp1 A3 SSTXn1 B10 SSRXn1 A4 VBUS B9 VBUS A5 CC1 B8 SBU2 A6 Dp1 B7 Dn1 A7 Dn1 B6 Dp1 A8 SBU1 B5 CC2 A9 VBUS B4 VBUS A10 SSRXn2 B3 SSTXn2 A11 SSRXp2 B2 SSTXp2 A12 GND B1 GND About Your Monitor | 23
Universal Serial Bus (USB) This section gives you information about the USB ports available on your monitor. NOTE: This monitor is Super speed USB 5Gbps (USB 3.2 Gen1) and Highspeed USB 2.0 compatible. Your computer has the following USB ports: • 4 downstream - Super speed USB 5Gbps (USB 3.2 Gen1) NOTE: The monitor’s USB ports work only when the monitor is on or in Standby mode. If you turn off the monitor and then turn it on, the attached peripherals may take a few seconds to resume normal functionality.
RJ45 Port (Connector Side) Pin Signal Pin Signal 1 TD1 + 8 TD3 - 2 TD1 - 9 TD4 + 3 TD2 + 10 TD4 - 4 TD2 - 11 5 CT 12 6 CT 13 GREEN_ORANGE GREEN_ORANGE GREEN 7 TD3 + 14 GREEN GREEN RJ45 CABLE SIDE PHY SIDE GREEN ORANGE 2kV, 1000pF SHIELD GROUND Driver Installation Install the Realtek USB GBE Ethernet Controller Driver available for your system. This is available for download at https://www.dell.com/support under the “Driver and download” section.
RJ45 Connector LED Status: Right LED Left LED LED Color Description Right LED Amber or Green Speed indicator: • Amber On - 1000 Mbps • Green On - 100 Mbps • Off - 10 Mbps Left LED Green Link / Activity indicator: • Blinking - Activity on the port. • Green On - Link is being established. • Off - Link is not established. NOTE: RJ45 cable is non in-box standard accessory.
Plug-and-Play You can install the monitor in any Plug-and-Play-compatible system. The monitor automatically provides the computer system with its extended display identification data (EDID) using display data channel (DDC) protocols so the computer can configure itself and optimize the monitor settings. Most monitor installations are automatic; you can select different settings if desired. For more information about changing the monitor settings, see Operating the Monitor.
Maintenance Guidelines Damage to Monitor Through Incorrect Cleaning Methods WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. CAUTION: Read and follow the Safety instructions before cleaning the monitor. Improper cleaning methods can result in physical damage to Dell monitors. Physical defects may affect the screen and body of the monitor.
Setting Up the Monitor Connecting the Stand NOTE: The stand riser and stand base are detached when the monitor is shipped from the factory. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand. CAUTION: Place monitor of a flat, clean, and soft surface to avoid scratching the display panel. To attach the monitor stand: 1.
4. Open the protective cover on the monitor to access the VESA slot on the monitor. 5. Slide the tabs on the stand riser into the slots on the display back cover and press down the stand assembly to snap it into place.
6. Hold the stand riser and lift the monitor carefully, then place it on a flat surface. NOTE: Hold the stand riser firmly when lifting the monitor to avoid any accidental damage. 7. Lift the protective cover from the monitor.
Using the Tilt, Swivel, and Vertical Extension NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand. Tilt, Swivel and Vertical Extension With the stand attached to the monitor, you can tilt the monitor for the most comfortable viewing angle.
NOTE: To toggle the display setting on your Dell computer between landscape and portrait when rotating the display, download and install the latest graphics driver. To download, go to https://www.dell.com/support/ drivers and search for the appropriate driver. NOTE: When in the Portrait View Mode, you may experience performance degradation in graphic-intensive applications (3D Gaming and so on).
Organizing Your Cables After connecting all necessary cables to your monitor and computer, (see Connecting Your Monitor for cable attachment) organize all cables as shown above.
Connecting Your Monitor WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. To connect your monitor to the computer: 1. Turn off your computer. 2. Connect the HDMI, DP or USB-C cable from your monitor to the computer. 3. Turn on your monitor. 4. Select the correct input source from the OSD Menu on your monitor and then turn on your computer. NOTE: P3223DE default setting is DP 1.4. A DP 1.1 Graphic card may not display normally.
Connecting the monitor for DP Multi-Stream Transport (MST) function DP DP DP out DP NOTE: Supports the DP MST feature. To make use of this feature, your PC Graphics Card must be certified to DP1.4 with MST option. NOTE: Remove the rubber plug when using DP out connector. Connecting the USB Type-C® Cable (C to C) USB Type-C USB Type-C The USB-C port on your monitor: • Can be used as USB-C or DisplayPort 1.4, alternatively. • Supports USB Power Delivery (PD), with profiles up to 90 W.
Rated power (on laptops that have USB-C with Power Delivery) Maximum charging power 45 W 45 W 65 W 65 W 90 W 90 W 130 W Not supported Connecting the USB Type-C Cable (A to C) USB Type-C USB Connecting the Monitor for RJ45 Cable (Optional) Setting Up the Monitor | 37
Dell Power Button Sync (DPBS) Your monitor is designed with Dell Power Button Sync (DPBS) feature to allow you to control PC system power state from the monitor power button. This feature is only supported with Dell platform which has built-in DPBS function, and is only supported over USB-C interface. USB-C USB-C To make sure the DPBS function works for the first time, perform the following steps on the DPBS supported platform in the Control Panel first. NOTE: DPBS only supports the USB-C upstream port.
1. Go to Control Panel. 2. Select Hardware and Sound, followed by Power Options. 3. Go to System Settings.
4. In the drop-down menu of When I press the power button, there are a few options for selection namely Do nothing/Sleep/Hibernate/Shut down. You can select Sleep/Hibernate/Shut down. NOTE: Do not select Do nothing, otherwise the monitor power button will not be able to sync with PC system power state.
Connecting the Monitor for DPBS for the First Time USB-C Initial monitor power state(OFF) Initial system power state(OFF) USB-C For the first time setting up the DPBS function: 1. Make sure both the PC and monitor is OFF. 2. Press the monitor power button to turn ON the monitor. 3. Connect the USB-C cable from the PC to the monitor. 4. Both the monitor and PC will turn ON normally except Dell Optiplex 7090/3090 Ultra platform. 5.
Using DPBS Function Waking on the USB-C cable When you connect the USB-C cable, the Monitor/PC state is as follows: 1 USB-C Initial monitor power state (No cabel) 2 New Power state of monitor (ON) No USB-C Cable The display will go into Standby mode in 4 minutes. www.dell.
• When the monitor and the PC power state are both ON, press and hold the monitor power button for 4 seconds, the screen prompt will ask if you would like to shut down the PC. USB-C Press and hold 4s PC will shut down Slide to shut down your PC • When the monitor and the PC power state are both ON, press and hold the monitor power button for 10 seconds, the PC will shut down.
Connecting the Monitor for USB-C The Dell PC* Ultra platform has two USB-C ports, so both Monitor 1 and Monitor 2 power state can sync with the PC. While the PC and two monitors are in an initially ON power state, by pressing the power button on Monitor 1 or Monitor 2 will turn OFF the PC, Monitor 1, and Monitor 2. * Ensure to check the Dell PC for DBPS supportability. NOTE: DPBS only supports the USB-C upstream port.
Ensure to set USB-C Charging 90W to On in Off Mode. When the PC and two monitors are in an initially OFF power state, pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC, Monitor 1, and Monitor 2.
Removing the Monitor Stand CAUTION: To prevent scratches on the LCD screen while removing the stand, make sure that the monitor is placed on a soft, clean surface. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand. To remove the stand: 1. Place the monitor on a soft cloth or cushion. 2.
Wall Mounting (Optional) NOTE: Use M4 x 10 mm screws to connect the monitor to the wallmounting kit. Refer to the instructions that come with the VESA-compatible wall mounting kit. 1. Place the monitor on a soft cloth or cushion on a stable, flat table. 2. Remove the stand. 3. Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover. 4. Attach the mounting bracket from the wall mounting kit to the monitor. 5.
Operating the Monitor Turning On the Monitor Press the button to turn on the monitor. Using the Joystick Control To modify the OSD adjustments using the Joystick control on the rear end of the monitor, do the following: 1. Press the Joystick to open the OSD Menu Launcher. 2. Move the Joystick up/down/left/right to toggle between the OSD menu options.
Joystick Functions Functions Description Press Joystick to open the OSD Menu Launcher. For right and left navigation. For up and down navigation. Using the Menu Launcher Press the Joystick to open the OSD Menu Launcher. Preset Modes Menu Launcher • • • Toggle the Joystick Up to open the Main Menu. Toggle the Joystick Left or Right to select the desired Shortcut Keys. Toggle the Joystick Down to Exit.
Menu Launcher Details The following table describes the Menu Launcher icons: Menu Launcher icons Description Opens the On-Screen Display (OSD). See Using the Main Menu. Main Menu Sets the Input Source. Input Source (Shortcut key 1) Allows to choose from a list of Preset Color Modes. Preset Modes (Shortcut key 2) To directly access the Brightness/Contrast adjustment sliders. Brightness/Contrast (Shortcut key 3) Exits from he OSD main menu.
Front‑Panel Button Use the buttons on the front of the monitor to adjust the image settings. Front Panel Button Description 1 Use the Up (increase) and Down (decrease) buttons to adjust items in the OSD menu. Up Down 2 Use the Previous button to go back to the previous menu. Previous 3 Use the Next button to confirm your selection. Next 4 Use the Tick button to confirm your selection.
Using the Main Menu Icon Menu and Submenus Brightness/ Contrast Description Activates Brightness/Contrast adjustment. 32 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others 75% 75% Exit Brightness Adjusts the luminance of the backlight (Range: 0 - 100). Move the Joystick Up to increase brightness. Move the Joystick Down to decrease brightness. Contrast Adjust the Brightness first, and then adjust Contrast only if further adjustment is necessary.
Icon Menu and Submenus Input Source Description Selects between different video inputs that are connected to your monitor. 32 Monitor Brightness/Contrast USB-C Input Source DP 90W Color HDMI Display Auto Select On Menu Auto Select for USB-C Prompt for Multiple Inputs Personalize Rename Inputs USB-C Others Reset Input Source 90W Exit 90W input when you are using the 90W Select USB-C USB-C 90W connector. Press the Joystick button to confirm the selection.
Icon Menu and Submenus Color Description Adjusts the color setting mode. 32 Monitor Brightness/Contrast Preset Modes Standard Input Source Input Color Format RGB Color Reset Color Display Menu Personalize Others Exit Preset Modes Allows you to choose from a list of preset color mode.
Icon Menu and Submenus Input Color Format Description Allows you to set the video input mode to: • RGB: Select this option if your monitor is connected to a computer or a media player that supports RGB output. • YCbCr: Select this option if your media player supports only YCbCr output.
Icon Menu and Submenus Display Description Use the Display menu to adjust image. 32 Monitor Brightness/Contrast Aspect Ratio 16:9 Input Source Sharpness 50 Color Response Time Normal Display MST Off Menu USB-C Prioritization Personalize Reset Display Others Exit Aspect Ratio Sharpness Adjust the image ratio to 16:9, 4:3, 5:4. Makes the image look sharper or softer. Move the joystick up and down to adjust the sharpness from ‘0’ to ‘100’.
Icon Menu and Submenus Menu Description Select this option to adjust the settings of the OSD, such as the languages of the OSD, the amount of time the menu remains on screen, and so on. 32 Monitor Brightness/Contrast Language English Input Source Rotation Select Color Transparency 20 Display Timer 20 s Menu Lock Disable Personalize Reset Menu Others Exit Language Rotation Transparency Timer Set the OSD display to one of eight languages.
Icon Menu and Submenus Lock Description With the control buttons on the monitor locked, you can prevent people from accessing the controls. It also prevents accidental activation in multiple monitors side-by-side setup. 32 Monitor Brightness/Contrast Language Input Source Rotation Color Transparency Display Timer Menu Lock Menu Buttons Personalize Reset Menu Power Button Others Menu + Power Buttons Disable Reset Menu 58 | Exit • Menu Buttons: Through OSD to lock the Menu buttons.
Icon Menu and Submenus Personalize Description 32 Monitor Brightness/Contrast Shortcut Key 1 Input Source Input Source Shortcut Key 2 Preset Modes Brightness/Contrast Color Shortcut Key 3 Display Power Button LED Menu USB-C Charging Personalize Other USB Charging Off in Standby Mode Others Fast Wakeup Off On in On Mode 90W Off in Off Mode Reset Personalization Shortcut key 1 Shortcut key 2 Shortcut key 3 Power Button LED USB-C Charging 90 W Other USB Charging Fast Wakeup Exit Sel
Icon Menu and Submenus Others Description Select this option to adjust the OSD settings such as the DDC/CI, LCD conditioning, and so on. 32 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning Off Display Firmware M2T101 Menu Service Tag FHGM1H3 Personalize Self-Diagnostic Select Others Reset Others Select Factory Reset Display Info ENERGY STAR® Displays the monitor’s current settings. Press to select this function.
Icon Menu and Submenus DDC/CI Description DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via the software on your computer. You can disable this feature by selecting Off. Enable this feature for best user experience and optimum performance of your monitor.
Icon Menu and Submenus LCD Conditioning Description Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting On. 32 Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning On Display Firmware Off Menu Service Tag Personalize Self-Diagnostic Others Reset Others Factory Reset Firmware Exit Displays the Firmware version of your monitor.
Using the OSD Lock Function You can lock the front-panel control buttons to prevent access to the OSD menu and/ or power button. Use the Lock Menu to Lock the Button(s). 1. Select one of the following options. 32 Monitor Brightness/Contrast Language Input Source Rotation Color Transparency Display Timer Menu Lock Menu Buttons Personalize Reset Menu Power Button Others Menu + Power Buttons Disable Exit 2. The following message appears.
Use the Joystick to Lock the Button(s). Press the left directional navigation of Joystick for four seconds, a menu appears on the screen. Select Option: Select one of the following options: Options Description 1 Select this option to lock OSD menu function. Menu Button lock 2 Power Button lock 3 Use this option to lock power button. This will prevent the user to turn off the monitor using the power button. Use this option to lock OSD menu and power button to turn off the monitor.
To Unlock the Button(s). Press the left directional navigation of Joystick for four seconds until a menu appears on the screen. The following table describes the options to unlock the front-panel control buttons. Select Option: Options Description 1 Use this option to unlock OSD menu function. Menu Button unlock 2 Use this option to unlock power button to turn off the monitor. Power Button unlock 3 Use this option to unlock OSD menu and power button to turn off the monitor.
Initial Setup When you select OSD items of Factory Reset in Other feature, the following message will appear: Are you sure you want to reset to default settings ? 1. Disconnect all USB storage devices plugged into the monitor. 2. Select ‘Yes’ to continue. Yes No When you select ‘Yes’to reset to default settings, the following message will appear: 32 Monitor Select ‘Yes’ to enable the following function(s): . Always on USB-C Charging .
OSD Warning Messages When the monitor does not support a particular resolution mode, you can see the following message: The current input timing is not supported by the monitor display. Please change your input timing to 2560x1440, 60Hz or any other monitor listed timing as per the monitor specifications. This means that the monitor cannot synchronize with the signal that it is receiving from the computer.
A message is displayed while the cable supporting DP alternate mode is connected to the monitor under the following conditions: • When Auto Select for USB-C is set to Prompt for Multiple Inputs. • When the DP cable is connected to the monitor. Switch to USB-C Video Input: Yes No If the monitor connect with two ports or more, when the Auto of Input Source is selected, it will turn to the next port with signal.
If either HDMI, DP or USB-C input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. No HDMI Cable The display will go into Standby mode in 4 minutes. www.dell.com/P3223DE or No DP Cable The display will go into Standby mode in 4 minutes. www.dell.com/P3223DE or No USB-C Cable The display will go into Standby mode in 4 minutes. www.dell.com/P3223DE See Troubleshooting for more information.
Setting the Maximum Resolution To set the maximum resolution for the monitor: In Windows 7, Windows 8 or Windows 8.1: 1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic desktop. For Windows Vista and Windows 7, skip this step. 2. Right-click on the desktop and click Screen Resolution. 3. Click the Dropdown list of the Screen Resolution and select 2560 x 1440. 4. Click OK. In Windows 10/Windows 11: 1. Right-click on the desktop and click Display Settings. 2.
Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-Test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1. Turn off both your computer and the monitor. 2. Unplug the video cable from the back of the computer.
4. This box also appears during normal system operation if the video cable becomes disconnected or damaged. 5. 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 controller and computer, because your monitor is functioning properly.
Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common Symptoms No Video/ Power LED off What You Experience No picture No Video/ Power LED on No picture or no brightness Missing Pixels LCD screen has spots Stuck-on Pixels LCD screen has bright spots Brightness Problems Safety Related Issues Picture too dim or too bright Visible signs of smoke or sparks Possible Solutions • Ensure that the video cable conn
Common Symptoms Intermittent Problems What You Possible Solutions Experience Monitor • Ensure that the video cable connecting the malfunctions on monitor to the computer is connected properly & off and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing • Perform monitor self-test.
Product Specific Problems Problem What you experience Screen image is Image is too small centered on screen, but does not fill entire viewing area Cannot adjust OSD does not the monitor appear on the with the screen buttons on the front panel No Input Signal No picture, the when user LED light is controls are white pressed The picture The picture does not fill the cannot fill the entire screen height or width of the screen No image when Black screen using USB-C connection to computer, laptop, and so on P
Problem No charging when using USB-C connection to computer, laptop, and so on Intermittent charging when using USB-C connection to computer, laptop, and so on No image when using USB-C MST No network connection 76 | What you experience No charging Intermittent charging Possible solutions • Verify if the device can support one of 5 V/9 V/15 V/20 V charging profiles. • Verify if the Notebook requires a >90 W power adaptor.
Problem What you experience The LAN port is OS setting not functioning or cable connection issue Possible solutions • 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/ Disabled option, make sure it is set to Enabled. • Ensure that the Ethernet cable is connected securely on the monitor and the hub/router/ firewall.
Universal Serial Bus (USB) Specific Problems Specific Symptoms USB interface is not working What You Possible Solutions Experience USB peripherals • Check that your display is turned ON. are not working • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Turn off the monitor and turn it on again. • Reboot the computer. • Certain USB devices such as portable hard drives require higher power source; connect the drive to the computer directly.
Appendix FCC Notices (U.S. Only) and Other Regulatory Information For FCC notices and other regulatory information, see the regulatory compliance website located at https://www.dell.com/regulatory_compliance Contacting Dell For customers in the United States, call 800-WWW-DELL (800-999-3355). NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
