Contents About Your Monitor ....... . .5 Package Contents Product Features Identifying Parts and Controls Monitor Specifications Plug-and-Play...
Page 4
Appendix.........54 Safety Instructions FCC Notices (U S only) and Other Regulatory Information Contacting Dell Setting Up Your Monitor Maintenance Guidelines...
Package Contents Your monitor ships with the components shown below. Make sure that you have received all the components and contact Dell if something 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.
• On-Screen Display (OSD) adjustments for ease of set-up and screen optimization. • Software and documentation media includes an information file (INF), Image color Matching File (ICM), Dell Display Manager software application and product documentation. Dell Display Manager included (comes in the CD attached with the monitor). • Security lock slot.
• 0.5 W standby power when in the sleep mode. • Optimize eye comfort with a flicker-free screen. • The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, including eye fatigue or digital eye strain. ComfortView feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort.
Page 8
Security lock slot Secures monitor with security cable lock (sold separately). Barcode, serial number, and Service Refer to this label if you need to contact Dell Tag label for technical support. Cable management slot Use to organize cables by placing them through the slot.
Page 9
Bottom View Label Description AC power connector To connect the monitor power cable. HDMI connector Connect your computer with HDMI cable(optional). DP connector (in) Connect your computer with DP cable. mDP connector (in) Connect your computer with mDP to DP cable. DP connector (out) DP output for MST (multi-stream transport) capable monitor.
Monitor Specifications Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 63.44 cm (25 inches) Active Area Horizontal 552.96 mm (21.77 inches) Vertical 311.04 mm (12.25 inches) Area 171992.7 mm (266.59 inches Pixel pitch 0.216 mm x 0.216 mm...
Page 11
Height adjustable stand 130 mm Tilt -5° to 21° Swivel -45° to 45° Cable management Dell Display Manager (DDM) Easy Arrange Compatibility and other key features Security Security lock slot (cable lock sold separately) Anti- theft stand lock slot (to panel)
Page 12
Preset Display Modes Display Mode Horizontal Vertical Pixel Clock Sync Polarity Frequency Frequency (MHz) (Horizontal/ (kHz) (Hz) Vertical) 720 x 400 31.5 70.0 28.3 VESA, 640 x 480 31.5 60.0 25.2 VESA, 640 x 480 37.5 75.0 31.5 VESA, 800 x 600 37.9 60.3 40.0...
Page 13
MST Multi-Stream Transport (MST) Modes MST Source Monitor Maximum number of external monitor that can be supported 2560 x 1440/60 Hz 2560 x 1440/60 Hz NOTE: Maximum external monitor resolution supported is 2560x1440 60Hz only. Electrical Specifications Video input signals • Digital video signal for each differential line Per differential line at 100 ohm impedance • DP/HDMI signal input support...
Page 14
Depth 49.2 mm (1.94 inches) Stand dimensions Height (extended) 432.7 mm (17.04 inches) Height (compressed) 386.5 mm (15.21 inches) Width 292.4 mm (11.50 inches) Depth 200.1 mm (7.88 inches) Weight Weight with packaging 8.33 kg (18.36 lb) Weight with stand assembly and 6.24 kg (13.76 lb) cables Weight without stand assembly...
Page 15
Power Management Modes If you have VESA’s DPM-compliant video card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This is referred to as power save mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning.
Page 16
not rely upon this information in making decisions about electrical tolerances or otherwise. No warranty as to accuracy or completeness is expressed or implied. Activate the computer and the monitor to gain access to the OSD. NOTE: This monitor is ENERGY STAR -compliant. About Your Monitor...
Page 17
Pin Assignments DP connector (in) Pin number 20-pin side of the connected signal cable ML3(n) ML3(p) ML2(n) ML2(p) ML1(n) ML1(p) ML0(n) ML0(p) CONFIG1 CONFIG2 AUX CH (p) AUX CH (n) Hot Plug Detect Return DP_PWR About Your Monitor...
Page 18
DP connector (out) Pin number 20-pin side of the connected signal cable ML0(p) ML0(n) ML1(p) ML1(n) ML2(p) ML2(n) ML3(p) ML3(n) CONFIG1 CONFIG2 AUX CH(p) AUX CH(n) Hot Plug Detect Return DP_PWR About Your Monitor...
Page 19
mDP connector Pin number 20-pin side of the connected signal cable Hot Plug Detect ML3 (n) CONFIG1 ML3 (p) CONFIG2 ML2 (n) ML0 (p) ML2 (p) ML0 (p) ML1 (n) AUX (p) ML1 (p) AUX (n) DP_PWR About Your Monitor...
Page 20
HDMI connector Pin number 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2- TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1- TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0- TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCK-...
Page 21
Universal Serial Bus (USB) This section gives you information about the USB ports available on your monitor. NOTE: Up to 2 A on USB downstream port (port with battery icon) with BC 1.2 compliance devices; up to 0.9 A on the other 3 USB downstream ports. Your computer has the following USB ports: • 1 upstream - bottom • 4 downstream - 2 at left side, 2 at bottom...
During the LCD monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. For more information on LCD Monitor Pixel Policy, see Dell support site at: http://www.dell.com/support/monitors.
Setting Up the Monitor Attaching the Stand NOTE: The stand riser and stand base are detached when the monitor is shipped from the factory. NOTE: The procedure below is applicable for the default stand. If you purchased any other stand, see the documentation shipped with the stand to set it up. CAUTION: Place monitor of a flat, clean, and soft surface to avoid scratching the display panel.
Page 24
• Hold the stand base with the triangle mark facing upward. • Align the stand base protruded blocks to the matching slot on the stand. • Insert the stand base blocks fully into the stand slot. Setting Up the Monitor...
Page 25
• Lift the screw handle and turn the screw clockwise. • After fully tighten the screw, fold the screw handle flat within the recess. Setting Up the Monitor...
NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, you require an updated graphics driver that is not included with Setting Up the Monitor...
After you have rotated your monitor, you need to complete the procedure below to adjust the Rotation Display Settings of your System. NOTE: If you are using the monitor with a non-Dell computer, you need to go the graphics driver website or your computer manufacturer website for information on rotating the ’contents’...
Page 28
Connecting the HDMI cable(Optional) Connecting the DP (or mDP) cable NOTE: Default is DP port. Select input source on monitor to switch to mDP. Setting Up the Monitor...
Page 29
Connecting the monitor for DP Multi-Stream Transport (MST) function NOTE: Supports the DP MST feature. To make use of this feature, your PC Graphics Card must be certified to DP1.2 with MST option. NOTE: Remove the rubber plug when use DP out connector. Connecting the USB cable Setting Up the Monitor...
Organizing Your Cables After attaching all necessary cables to your monitor and computer, (see Connecting Your Monitor for cable attachment) organize all cables as shown above. 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.
Wall Mounting (Optional) NOTE: Use M4 x 10 mm screws to connect the monitor to the wall-mounting 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.
Operating the Monitor Turning on the Monitor Press the button to turn on the monitor. Using the Front Panel Controls Use the control buttons on the front of the monitor to adjust the characteristics of the image being displayed. As you use these buttons to adjust the controls, an OSD shows the numeric values of the characteristics as they change.
Page 33
The following table describes the front panel buttons: Front-Panel Button Description Use this button to choose from a list of preset color modes. Shortcut key: Preset Modes Use this button to choose from a list of Input Source. Shortcut key: Input Source Use this menu button to launch the on-screen display (OSD) and select the OSD menu.
Page 34
Front-Panel Button Use the buttons on the front of the monitor to adjust the image settings. Front Panel Button Description Use the Up (increase) and Down (decrease) keys to adjust items in the OSD menu. Down Use the OK button to confirm your selection. Use the Back button to go back to the previous menu.
Using the On-Screen Display (OSD) Menu Accessing the Menu System NOTE: Any changes you make using the OSD menu are automatically saved if you move to another OSD menu, exit the OSD menu, or wait for the OSD menu to disappear. 1 Press the button to launch the OSD menu and display the main menu.
Page 36
Icon Menu and Description Submenus Brightness/ Use this menu to activate Brightness/Contrast adjustment. Contrast Brightness Brightness adjusts the luminance of the backlight (minimum 0; maximum 100). Press the button to increase brightness. Press the button to decrease brightness. NOTE: Manual adjustment of Brightness is disabled when Dynamic Contrast is switched on.
Page 37
Icon Menu and Description Submenus Select DP input when you are using the DP (DisplayPort) connector. to select the DP input source. Select mDP input when you are using the mDP (mini DisplayPort) connector. to select the mDP input source. HDMI Select the HDMI input when you are using the HDMI connector.
Page 38
Icon Menu and Description Submenus Preset Modes When you select Preset Modes, you can choose Standard, ComfortView, Movie, Game, Color Temp. or Custom Color from the list. • Standard: Default color settings. This is the default preset mode. • ComfortView: Decreases the level of blue light emitted from the screen to make viewing more comfortable for your eyes.
Page 39
Icon Menu and Description Submenus • Custom Color: Allows you to manually adjust the color settings. Press the buttons to adjust the Red, Green, and Blue values and create your own preset color mode. NOTE: When Smart HDR is ON, Movie and Game preset modes will operate with backlight local dimming.
Page 40
Icon Menu and Description Submenus Display Use the Display menu to adjust image. Aspect Ratio Adjust the image ratio to Wide 16:9, 4:3, or 5:4. Sharpness Makes the image look sharper or softer. to adjust the sharpness from ‘0’ to ‘100’. Dynamic Allows you to increase the level of contrast to provide sharper Contrast...
Page 41
Icon Menu and Description Submenus 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 Set the OSD display to one of eight languages. (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese).
Page 42
Icon Menu and Description Submenus Personalize Select from Preset Modes, Brightness/Contrast, Input Source, Aspect Ratio,Smart HDR,Rotation set as shortcut key. Power Button Allows you to set the state of the power light to save energy. Allows you to enable or disable USB function during monitor standby mode.
Page 43
Icon Menu and Description Submenus Other Select this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on. Display Info Displays the monitor’s current settings. DDC/CI DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using software on your computer. Select Off to turn off this feature.
Page 44
Icon Menu and Description Submenus Helps reduce minor cases of image retention. Depending on the Conditioning degree of image retention, the program may take some time to run. Select On to start the process. Firmware Firmware version Reset Others Restores other settings, such as DDC/CI, to factory defaults. Factory Restores all OSD settings to the factory defaults.
Page 45
OSD Warning Messages When the Dynamic Contrast feature is enabled (in these preset modes: Game or Movie), manual brightness adjustment is disabled. When the monitor does not support a particular resolution mode, you can see the following message: This means that the monitor cannot synchronize with the signal that it is receiving from the computer.
Page 46
When the monitor enters the Power Save mode, the following message appears: Activate the computer and wake up the monitor to gain access to the OSD. If you press any button other than the power button, the following messages will appear depending on the selected input: When user try to change preset mode when Smart HDR is ON, the following message will show:...
Page 47
If either DP, mDP, HDMI input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. Troubleshooting for more information. Operating the Monitor...
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.
Page 49
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.
Built-in Diagnostics Your monitor has 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. NOTE: You can run the built-in diagnostics only when the video cable is unplugged and the monitor is in self-test mode.
Input Source menu. Missing Pixels LCD screen has • Cycle power on-off. spots • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/support/monitors. Stuck-on Pixels LCD screen has • Cycle power On-Off. bright spots • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at: http://www.dell.com/support/monitors.
Common What You Possible Solutions Symptoms Experience Missing Color Picture missing • Perform monitor self-test. color • 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.
Page 53
Specific What You Possible Solutions Symptoms Experience No image Black screen • Verify which DP standard (DP 1.1a or DP 1.2) is your when using DP Graphics Card certified to. Download and install the connection to latest graphics card driver. the PC • Some DP 1.1a graphics card cannot support DP 1.2 monitors.
Contacting Dell 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 options. Availability varies by country and product, and some services may not be available in your area.
2 After installing the drivers for your graphics adapter, attempt to set the resolution to 2560 x 1440 again. NOTE: If you are unable to set the resolution to 2560 x 1440, please contact Dell to inquire about a graphics adapter that supports these resolutions.
Page 56
Non-Dell computer In Windows Vista, 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. 2 Right-click on the desktop and click Personalization. 3 Click Change Display Settings.
Maintenance Guidelines Cleaning Your Monitor 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. For best practices, follow these instructions in the list below while unpacking, cleaning, or handling your monitor: • To clean your anti-static screen, lightly dampen a soft, clean cloth with water.