Dell P3421W Users Guide
Dell P3421W Manual
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- Dell P3421W | Users Guide - Page 1
Dell P3421W Monitor User's Guide Model: P3421W Regulatory model: P3421Wb - Dell P3421W | Users Guide - Page 2
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 . Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its - Dell P3421W | Users Guide - Page 3
8 Identifying parts and controls 9 Front view 9 Back view 10 Bottom view 11 Monitor specifications 12 Resolution specifications 14 Supported video modes 14 Preset display modes 14 Electrical specifications 15 Physical characteristics 16 Environmental characteristics 18 Pin assignments 19 - Dell P3421W | Users Guide - Page 4
KVM switch 60 Setting the Auto KVM 62 Using the tilt, swivel, and vertical extension 64 Tilt, swivel 64 Vertical extension 64 Slant adjust 65 Troubleshooting 66 Self-test 66 4│ - Dell P3421W | Users Guide - Page 5
Built-in diagnostics 67 Common problems 69 Product specific problems 72 Universal Serial Bus (USB) specific problems 73 Appendix 75 FCC notices (U.S. only) and other regulatory information 75 Contact Dell 75 EU product database for energy label and product information sheet 75 │5 - Dell P3421W | Users Guide - Page 6
technical support. For more information, see Contact Dell. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries. NOTE: If you are attaching a stand that you purchased from any other source, follow the set up instructions that - Dell P3421W | Users Guide - Page 7
DisplayPort) HDMI cable USB Type-C cable (USB 3.2 Gen1 (5 Gbps)) USB 3.2 Gen1 (5 Gbps) upstream cable (enables the USB ports on the monitor) Cable tie • Quick Setup Guide • Safety, Environmental, and Regulatory Information About your monitor │ 7 - Dell P3421W | Users Guide - Page 8
Product features The Dell P3421W monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 86.72 cm (34.14 in.) viewable area (measured diagonally). 3440 x 1440 (21:9) resolution, plus full-screen support for lower - Dell P3421W | Users Guide - Page 9
Identifying parts and controls Front view Label 1 Description Power LED indicator Solid white light indicates that the monitor is turned on and functioning normally. Blinking white light indicates that the monitor is in Standby Mode. About your monitor │ 9 - Dell P3421W | Users Guide - Page 10
Cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Power On/Off button Joystick Cable-management slot Use Wall stand from the monitor. Refer to this label if you need to contact Dell for technical support. To turn the monitor on or off. Use to control the OSD - Dell P3421W | Users Guide - Page 11
a M3 x 6 mm screw (screw not included). Connect the USB Type-C cable that came with your monitor to the computer or mobile device. This port supports USB Power Delivery, Data, and DisplayPort video signal. The USB 3.2 Gen1 (5 Gbps) Type-C port offers the fastest transfer rate and the alternate mode - Dell P3421W | Users Guide - Page 12
specifications Model Screen type Panel technology Aspect ratio Viewable image Diagonal Width (active area) Height (active area) Total area Pixel pitch Pixel per inch (PPI) P3421W Active matrix - TFT LCD In-Plane Switching Technology 21:9 867.2 mm (34.14 in.) 799.8 mm (31.49 in.) 334.8 mm (13.18 in - Dell P3421W | Users Guide - Page 13
Viewing angle 178° (vertical) typical 178° (horizontal) typical Luminance output 300 cd/m² (typical) Contrast ratio 1000 to 1 (typical) Faceplate coating Anti-Glare with 3H hardness Backlight White LED edgelight system Response time 8 ms (Normal) 5 ms (Fast) Curvature 3800R (typical) - Dell P3421W | Users Guide - Page 14
lock sold separately) *DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.2): HBR2 is supported. Resolution specifications Model Horizontal scan range Vertical scan range Maximum preset resolution Supported video modes P3421W 30 kHz to 85 kHz (automatic) 48 Hz to 85 Hz (automatic) 3440 - Dell P3421W | Users Guide - Page 15
voltage/ frequency/current Inrush current Power consumption P3421W HDMI 2.0/DisplayPort 1.2*, 600 mV for each )1 • 126 W (Max.)2 • 25.29 W (Pon)3 • 80.31 kWh (TEC)3 *HBR2 is supported. 1 As defined in EU 2019/2021 and EU 2019/2013. 2 Max brightness and contrast setting with maximum power - Dell P3421W | Users Guide - Page 16
could exceed the ENERGY STAR specified limit. Physical characteristics Model P3421W Signal cable type • Digital: DisplayPort, 20 pins • used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your Dell monitor. Dimensions (with stand) - Dell P3421W | Users Guide - Page 17
Stand dimensions Height (extended) Height (compressed) Width Depth Base Weight Weight with packaging Weight with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations - no cables) Weight of stand assembly Front frame gloss 433.3 mm (17.06 in.) 386.5 mm - Dell P3421W | Users Guide - Page 18
Environmental characteristics Model P3421W Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. See www.epeat.net for registration status by country. • RoHS- - Dell P3421W | Users Guide - Page 19
Pin assignments DisplayPort connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20-pin side of the connected signal cable ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect Re-PWR +3.3 V DP_PWR About your - Dell P3421W | Users Guide - Page 20
HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved - Dell P3421W | Users Guide - Page 21
5 V/0.9 A (Max, each port) USB 2.0 Transfer speed High speed Full speed Low speed Data rate 480 Mbps 12 Mbps 1.5 Mbps Maximum power supported 5 V/0.5 A (Max, each port) 5 V/0.5 A (Max, each port) 5 V/0.5 A (Max, each port) NOTE: This monitor is SuperSpeed USB 5 Gbps (USB 3.2 Gen1) and High-Speed - Dell P3421W | Users Guide - Page 22
USB 3.2 Gen1 (5 Gbps) upstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSTXSSTX+ GND SSRXSSRX+ USB 3.2 Gen1 (5 Gbps) downstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND SSTXSSTX+ 22 │ About your monitor - Dell P3421W | Users Guide - Page 23
USB 2.0 downstream connector Pin number 1 2 3 4 4-pin side of the connector VCC DMD DPD GND USB Type-C connector Pin Number A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 Signal Name GND TX1+ TX1VBUS CC1 D+ DSBU1 VBUS RX2RX2+ GND Pin Number B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 Signal Name GND TX2+ - Dell P3421W | Users Guide - Page 24
affect the display quality or usability. For more information on Dell Monitor Quality and Pixel Policy, see www.dell.com/pixelguidelines. Maintenance guidelines Cleaning your monitor CAUTION: Read and follow the Safety instructions before cleaning the monitor. WARNING: Before cleaning the monitor - Dell P3421W | Users Guide - Page 25
Setting up the monitor Attaching the stand NOTE: The stand is not installed at the factory when shipped. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, - Dell P3421W | Users Guide - Page 26
6. Lift the cover, as shown, to access the VESA area for stand assembly. 7. Attach the stand assembly to the display. a. Fit the two tabs on the upper part of the stand to the groove on the back of the display. b. Press the stand down till it snaps into place. 26 │ Setting up the monitor - Dell P3421W | Users Guide - Page 27
8. Place the monitor upright. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Remove the cover from the monitor. Setting up the monitor │ 27 - Dell P3421W | Users Guide - Page 28
any of the procedures in this section, follow the Safety instructions. NOTE: Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee the video quality and performance when using non-Dell cables. NOTE: Route the cables through the cable-management slot - Dell P3421W | Users Guide - Page 29
Connecting the DisplayPort (DisplayPort to DisplayPort) cable NOTE: The default out of factory setting is DP1.2. If the monitor fails to show any content after the DisplayPort cable is connected, follow the procedures below to change the settings to DP1.1: • Press the joystick to launch the Menu - Dell P3421W | Users Guide - Page 30
Connecting the HDMI cable NOTE: The default out of factory setting is HDMI 2.0. If the monitor fails to show any content after the HDMI cable is connected, follow the procedures below to change the settings from HDMI 2.0 to HDMI 1.4: • Press the joystick to launch the Menu Launcher. • Move the - Dell P3421W | Users Guide - Page 31
Connecting the USB Type-C cable NOTE: Use the USB Type-C cable shipped with monitor only. • This port supports DisplayPort Alternate Mode (DP1.2 standard only). • The USB Type-C power delivery compliant port (PD Version 3.0) delivers up to 65 W of power. • If your notebook requires - Dell P3421W | Users Guide - Page 32
. 4. Turn On the monitor and the computer(s). If your monitor displays an image, installation is complete. If it does not display an image, see Common problems. 32 │ Setting up the monitor - Dell P3421W | Users Guide - Page 33
: To prevent scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft, clean surface. NOTE: The following instructions are applicable only for removing the stand that was shipped with your monitor. If you are removing a stand that you purchased from any other - Dell P3421W | Users Guide - Page 34
VESA wall mounting (optional) (Screw dimension: M4 x 10 mm). Refer to the instructions that come with the VESA-compatible wall mounting kit. 1. Place the monitor panel on a soft cloth or cushion on a stable flat table. 2. Remove the stand. ( - Dell P3421W | Users Guide - Page 35
Operating the monitor Power on the monitor Press the Power button to turn On the monitor. Using the joystick control Use the joystick control on the rear of the monitor to make On-Screen Display (OSD) adjustments. 1. Press the joystick to launch the Menu Launcher. 2. Move the joystick up/down/left - Dell P3421W | Users Guide - Page 36
• For 2-way (right and left) directional navigation. • Move right to enter the submenu. • Move left to exit from the submenu. • For 2-way (up and down) directional navigation. • Toggles between the menu items. • Increases (up) or decreases (down) the parameters of selected menu item. Using the On- - Dell P3421W | Users Guide - Page 37
2 When you move the joystick to the left or right to toggle between the shortcut functions, the selected item will be highlighted and shifted to the center position. Press the joystick to enter its submenu. • Input Source: To choose an input source from the list of video signals that may be - Dell P3421W | Users Guide - Page 38
Accessing the menu system NOTE: After you change the settings, press the joystick to save the changes before you proceed to another menu or exit the OSD menu. Icon Menu and Submenus Brightness/ Contrast Description Use this menu to activate Brightness/Contrast adjustment. Brightness Contrast - Dell P3421W | Users Guide - Page 39
Input Source Use the Input Source menu to select between the different video signals that may be connected to your monitor. USB-C 65W DP HDMI Auto Select Select USB-C 65W when you are using the USB Type-C connector. Press the joystick to confirm the selection. Select DP when you are using the - Dell P3421W | Users Guide - Page 40
Auto Select for USB-C Allows you to set Auto Select for USB-C to: • Prompt for Multiple Inputs: Always displays the "Switch to USB-C Video Input" message for you to choose whether to switch or not. • Yes: Always switches to USB-C video input (without asking) when the USB Type-C cable is connected. - Dell P3421W | Users Guide - Page 41
Color Use Color to adjust the color setting mode. Preset Modes Allows you to choose from the list of preset color modes. Press the joystick to confirm the selection. • Standard: Loads the monitor's default color settings. This is the default preset mode. • ComfortView: Decreases the level of blue - Dell P3421W | Users Guide - Page 42
red/yellow tint. • Cool: Presents colors at higher color temperatures. The screen appears cooler with a blue tint. • Custom Color: Allows you to manually adjust the color settings. Use the joystick to adjust the three colors (R, G, B) values and create your own preset color mode. 42 │ Operating the - Dell P3421W | Users Guide - Page 43
is connected to a computer (or media player) using the USB Type-C, DisplayPort, or HDMI cable. • YPbPr: Select this option if your media player supports only YPbPr output. Press the joystick to confirm the selection. Hue Saturation Reset Color This feature can shift the color of the video image to - Dell P3421W | Users Guide - Page 44
Display Use the Display menu to adjust images. Aspect Ratio Sharpness Response Time Reset Display Adjusts the image ratio to Wide 21:9, 4:3, or 5:4. This feature can make the image look sharper or softer. Move the joystick to adjust the sharpness level from '0' to '100'. Allows you to set the - Dell P3421W | Users Guide - Page 45
PIP/PBP This function brings up a window displaying image from another input source. Press the joystick to confirm the selection. Main Window USB Type-C DP HDMI USB Type-C Sub-Window DP X HDMI X NOTE: The images under PBP mode will be displayed at the center of the split windows. Operating - Dell P3421W | Users Guide - Page 46
PIP/PBP Mode Allows you to choose a PBP or PIP mode from the preset list, which provides different sizes and positions of the sub-window. The options are shown in graphic format, giving a quick understanding of various layout settings, The default setting is Off. PIP/PBP (Sub) Select between the - Dell P3421W | Users Guide - Page 47
USB Switch Select to switch between the USB upstream sources in PIP/PBP mode. NOTE: The option is available only when the PIP/ PBP mode is enabled. Video Swap Select to swap videos between main window and sub-window in PIP/PBP mode. Press the joystick to confirm the selection. NOTE: The option - Dell P3421W | Users Guide - Page 48
USB Allows you to assign the USB upstream port for the input signals (DP or HDMI), thus the monitor's USB downstream port (e.g. keyboard and mouse) can be used by the current input signals when you connect a computer to the upstream port. See also Setting the KVM switch for details. Press the - Dell P3421W | Users Guide - Page 49
Menu 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. Language Transparency Timer Sets the OSD display to one of the eight languages (English, Spanish, French, German, Brazilian Portuguese, Russian, - Dell P3421W | Users Guide - Page 50
Lock 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. Reset Menu • Menu Buttons: All joystick functions are locked and not accessible by the user. • Power Button: - Dell P3421W | Users Guide - Page 51
Personalize Shortcut Key 1 Shortcut Key 2 Shortcut Key 3 Power Button LED USB-C Charging 65W Other USB Charging Allows you to choose a feature from Preset Modes, Brightness/Contrast, Input Source, Aspect Ratio, PIP/PBP Mode, USB Switch, or Display Info and set it as a shortcut key. Allows you to - Dell P3421W | Users Guide - Page 52
Fast Wakeup The default setting is Off. Selecting On may prevent the monitor from going into Standby mode. Pressing the joystick may also wake up the monitor after it goes into Standby mode. Reset Resets all settings under the Personalize menu to Personalization the factory preset values. - Dell P3421W | Users Guide - Page 53
DDC/CI DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using 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. LCD Conditioning Helps reduce - Dell P3421W | Users Guide - Page 54
Tag Reset Others Factory Reset Displays the service tag of your monitor. This string is required when you look for phone support, check your warranty status, update drivers on Dell's website, etc. Resets all settings under the Others menu to the factory preset values. Restore all preset values - Dell P3421W | Users Guide - Page 55
OSD warning message When the monitor does not support a particular resolution mode, you will see the following message: This means that the monitor cannot synchronize with the signal that it is receiving from the - Dell P3421W | Users Guide - Page 56
When you change the default setting of power saving features for the first time, such as USB-C Charging 65W, Other USB Charging, or Fast Wakeup, the following message appears: NOTE: If you select Yes for either of the features mentioned above, the message will not appear next time when you intend to - Dell P3421W | Users Guide - Page 57
slightly different according to the connected input signal. When the monitor is under DP/HDMI input and a USB Type-C cable is connected to a notebook that supports DP Alternate Mode, if Auto Select for USB-C is enabled, the following message appears: Operating the monitor │ 57 - Dell P3421W | Users Guide - Page 58
When Factory Reset is selected, the following message appears: When Yes is selected, the following message appears. See Troubleshooting for more information. 58 │ Operating the monitor - Dell P3421W | Users Guide - Page 59
may need to update your graphics driver. Depending on your computer, complete one of the following procedures: If you have a Dell desktop or portable computer: • Go to http://www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. If you are using a non - Dell P3421W | Users Guide - Page 60
of keyboard and mouse connected to the monitor. a. When connecting HDMI + USB-B to computer 1 and DP + USB-C to computer 2: NOTE: The USB Type-C connection currently supports only data transfer. Make sure USB for HDMI is assigned to USB-B and DP is assigned to USB-C 65W. 60 │ Operating the monitor - Dell P3421W | Users Guide - Page 61
and data transfer. Make sure USB for HDMI is assigned to USB-B . NOTE: As the USB Type-C port supports the DisplayPort Alternate Mode, there is no need to set USB for USB-C. NOTE: When connecting to different video input sources not shown above, follow - Dell P3421W | Users Guide - Page 62
Setting the Auto KVM You can follow below instruction to set up Auto KVM for your monitor: 1. Ensure that PIP/PBP Mode is Off. 2. Ensure that Auto Select is On and Auto Select for USB-C is Yes. 62 │ Operating the monitor - Dell P3421W | Users Guide - Page 63
3. Ensure that the USB ports and the video inputs are paired accordingly. NOTE: For USB Type-C connection, there is no further setting required. Operating the monitor │ 63 - Dell P3421W | Users Guide - Page 64
attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand. Tilt, swivel With the stand attached to the monitor, you can tilt and swivel the monitor for the most - Dell P3421W | Users Guide - Page 65
Slant adjust With the stand attached to the monitor, you can adjust the monitor to your desired angle with the slant adjust feature. Operating the monitor │ 65 - Dell P3421W | Users Guide - Page 66
Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Sel f-test Your monitor provides a self-test feature that allows you to check check your video controller and computer, because your monitor is functioning properly. 66 │ Troubleshooting - Dell P3421W | Users Guide - Page 67
a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card. To run the built-in diagnostics: 1. /down/left/right for about 4 seconds until a pop-up menu appears. Troubleshooting │ 67 - Dell P3421W | Users Guide - Page 68
. 6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white, and text screens. 7. Press the joystick to end the diagnostic program. 68 │ Troubleshooting - Dell P3421W | Users Guide - Page 69
The following table contains general information about common monitor problems you might encounter and the possible solutions: Common symptoms No Video/Power LED off monitor to factory settings. • Check environmental factors. • Relocate the monitor and test in another room. Troubleshooting │ 69 - Dell P3421W | Users Guide - Page 70
Problems Geometric Distortion Horizontal/ Vertical Lines LCD screen has spots • Cycle power On-Off. • Pixel that is permanently Off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support . 70 │ Troubleshooting - Dell P3421W | Users Guide - Page 71
Safety Related Issues Intermittent Problems Missing Color Wrong Color Screen is scrambled or appears in the safe mode. Visible signs of • Do not perform any troubleshooting smoke or sparks steps. • Contact Dell immediately. Monitor • Ensure that the video cable malfunctions on & connecting - Dell P3421W | Users Guide - Page 72
for a long period of time Faint shadow from the static image displayed appears on the screen Product specific problems • Set the screen to turn off after a few minutes of screen idle time. These can be adjusted may display in full screen. • Run the built-in diagnostics. 72 │ Troubleshooting - Dell P3421W | Users Guide - Page 73
the cable from the notebook Universal Serial Bus (USB) specific problems Common symptoms USB interface is not working USB Type-C port does charged compliant with the USB-C specification. The USB Type-C port supports USB 3.2 Gen1 and an output of 65 W. • Check that you use the USB - Dell P3421W | Users Guide - Page 74
and peripherals. its receiver decreases • Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.2 port. 74 │ Troubleshooting - Dell P3421W | Users Guide - Page 75
on safety instructions, see P3421W: https://eprel.ec.europa.eu/qr/347530 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. Dell provides several online and telephone-based support and service
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Dell P3421W Monitor
User’s Guide
Model: P3421W
Regulatory model: P3421Wb