Dell UltraSharp U2518D/U2518DX/U2518DR User’s Guide Model: U2518D/U2518DX/U2518DR Regulatory model: U2518Dt
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 © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
Contents About Your Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Identifying Parts and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Monitor Specifications . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Built-in Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Product Specific Problems . . . . . . . .
About Your Monitor 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.
USB 3.0 upstream cable (enables the USB ports on the monitor) DP cable (DP to mDP, only for U2518D) HDMI cable (U2518DX & U2518DR) • Drivers and documentation media • Quick Setup Guide • Safety,Environmental,and Regulatory Information • Factory Calibration Report Product Features The Dell UltraSharp U2518D/U2518DX/U2518DR monitor has an active matrix, thinfilm transistor (TFT), liquid crystal display (LCD), and LED backlight. The monitor features include: • 63.
• 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.
Back View Label Description Use 1 VESA mountiong holes (100 mm x 100 mm-behind attached VESA cover) Wall mount monitor using VESAcompatible wall mount kit (100 mm x 100 mm). 2 Regulatory label Lists the regulatory approvals. 3 Stand release button Release stand from monitor. 4 Security lock slot Secures monitor with security cable lock (sold separately). 5 Barcode, serial number, and Service Tag label Refer to this label if you need to contact Dell for technical support.
Bottom View Label Description Use 1 AC power connector To connect the monitor power cable. 2 HDMI connector Connect your computer with HDMI cable(optional). 3 DP connector (in) Connect your computer with DP cable. 4 mDP connector (in) Connect your computer with mDP to DP cable. 5 DP connector (out) DP output for MST (multi-stream transport) capable monitor. DP 1.1 monitor can only be connected as the last monitor in the MST chain.
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) 171992.7 mm2 (266.59 inches2) Area Pixel pitch 0.216 mm x 0.216 mm Pixel per inch (PPI) 117.
Border width (edge of monitor to active area) 7.30 mm (Top) 7.30 mm (Left/Right) 8.80 mm (Bottom) Adjustability Height adjustable stand 130 mm Tilt -5° to 21° Swivel -45° to 45° Cable management Yes Dell Display Manager (DDM) Compatibility Easy Arrange and other key features Security Security lock slot (cable lock sold separately) Antitheft stand lock slot (to panel) Resolution Specifications Horizontal scan range 30 kHz to 140 kHz (HDMI2.
Preset Display Modes Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/ 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 +/+ VESA, 800 x 600 46.9 75.0 49.5 +/+ VESA, 1024 x 768 48.4 60.0 65.0 -/- VESA, 1024 x 768 60.0 75.0 78.8 +/+ VESA, 1152 x 864 67.5 75.0 108.0 +/+ VESA, 1280 x 1024 64.0 60.0 108.
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 2 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 Input voltage/ frequency/current Inrush current 100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.
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 3.42 kg (7.54 lb) (For wall mount or VESA mount considerations - no cables) Weight of stand assembly 2.47 kg (5.
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. The following table shows the power consumption and signaling of this automatic power saving feature.
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.
Pin Assignments DP connector (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 About Your Monitor | 17
DP connector (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 18 | About Your Monitor
mDP connector Pin number 20-pin side of the connected signal cable 1 GND 2 Hot Plug Detect 3 ML3 (n) 4 CONFIG1 5 ML3 (p) 6 CONFIG2 7 GND 8 GND 9 ML2 (n) 10 ML0 (p) 11 ML2 (p) 12 ML0 (p) 13 GND 14 GND 15 ML1 (n) 16 AUX (p) 17 ML1 (p) 18 AUX (n) 19 GND 20 DP_PWR About Your Monitor | 19
HDMI connector 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.
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 Power Charging Port - the ports with battery icon supports fast current charging capability if the device is BC 1.2 compatible.
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.
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.
• 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.
• Lift the screw handle and turn the screw clockwise. • After fully tighten the screw, fold the screw handle flat within the recess.
Using the Tilt, Swivel, and Vertical Extension NOTE: This is applicable for a monitor with a stand. If you purchased any other stand, refer to the respective stand setup guide for set up instructions. Tilt, Swivel and Vertical Extension With the stand attached to the monitor, you can tilt the monitor for the most comfortable viewing angle. NOTE: The stand is detached when the monitor is shipped from the factory.
this monitor. To download the graphics driver, go to www.dell.com/support and see the Download section for Video Drivers for latest driver updates. NOTE: When in the Portrait View Mode, you may experience performance degradation in graphic-intensive applications (3D Gaming and etc.). Adjusting the Rotation Display Settings of Your System After you have rotated your monitor, you need to complete the procedure below to adjust the Rotation Display Settings of your System.
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.
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.
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. 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.
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. 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.
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.
The following table describes the front panel buttons: Front‑Panel Button Description 1 Use this button to choose from a list of preset color modes. Shortcut key: Preset Modes 2 Use this button to choose from a list of Input Source. Shortcut key: Input Source 3 Use this menu button to launch the on-screen display (OSD) and select the OSD menu. See Accessing the Menu System. Menu 4 Use this button to go back to the main menu or exit the 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) keys to adjust items in the OSD menu. Up Down 2 Use the OK button to confirm your selection. OK 3 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. 2 Press the and buttons to move between options. As you move from one icon to another, the option name is highlighted.
Icon Menu and Submenus Description Brightness/ Contrast Use this menu to activate Brightness/Contrast adjustment. Brightness Brightness adjusts the luminance of the backlight (minimum 0; maximum 100). Press the Contrast Input Source 36 | button to increase brightness. Press the button to decrease brightness. NOTE: Manual adjustment of Brightness is disabled when Dynamic Contrast is switched on. Adjust the Brightness first, and then adjust Contrast only if further adjustment is necessary.
Icon Menu and Submenus DP Description Select DP input when you are using the DP (DisplayPort) connector. mDP Use to select the DP input source. Select mDP input when you are using the mDP (mini DisplayPort) connector. HDMI Use to select the mDP input source. Select the HDMI input when you are using the HDMI connector. Use to select the HDMI input source. Auto Select Reset Input Source Color Use to select Auto Select, the monitor scans for available input sources.
Icon Menu and Submenus Description 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.
Icon Menu and Submenus Description • Custom Color: Allows you to manually adjust the color settings. Press the and 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. Input Color Format Allows you to set the video input mode to: • RGB: Select this option if your monitor is connected to a computer (or DVD player) using the HDMI, DP-mDP cable.
Icon Menu and Submenus Description Display Use the Display menu to adjust image. Aspect Ratio Sharpness Adjust the image ratio to Wide 16:9, 4:3, or 5:4. Makes the image look sharper or softer. Use or to adjust the sharpness from ‘0’ to ‘100’. Dynamic Contrast Allows you to increase the level of contrast to provide sharper and more detailed image quality. Push the button to select the Dynamic Contrast “On” or “Off”. NOTE: For Game and Movie preset mode only.
Icon Menu and Submenus Description 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 Rotation Set the OSD display to one of eight languages. (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese). Rotates the OSD by 0/90/180/270 degrees. You can adjust the menu according to your display rotation.
Icon Menu and Submenus Personalize Description 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. LED USB Allows you to enable or disable USB function during monitor standby mode. Monitor Sleep Reset Personalization 42 | NOTE: USB ON/OFF under standby mode is only available when the USB upstream cable is unplugged.
Icon Menu and Submenus Description Other Display Info DDC/CI Select this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on. Displays the monitor’s current settings. 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. Enable this feature for best user experience and optimum performance of your monitor.
Icon Menu and Submenus Description LCD Conditioning Helps reduce minor cases of image retention. Depending on the 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 Reset Restores all OSD settings to the factory defaults. NOTE: This monitor has a built-in feature to automatically calibrate the brightness to compensate for LED aging.
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. See Monitor Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 2560 x 1440.
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 either DP, mDP, HDMI input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. or or See Troubleshooting for more information.
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.
or 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. To run the built-in diagnostics: 1 Make sure that the screen is clean (no dust particles on the surface of the screen).
Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common What You Symptoms Experience No Video/Power No picture LED off No Video/Power No picture or no LED on brightness Missing Pixels LCD screen has spots Stuck-on Pixels LCD screen has bright spots Brightness Problems Safety Related Issues Intermittent Problems Picture too dim or too bright Visible signs of smoke or sparks Monitor malfunctions on & off Poss
Common Symptoms What You Experience Missing Color Picture missing color Wrong Color Image retention from a static image left on the monitor for a long period of time Possible Solutions • Perform monitor self-test. • 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. Picture color not • Change the settings of the Preset Modes in the good Color menu OSD depending on the application.
Specific Symptoms No image when using DP connection to the PC What You Experience Black screen Possible Solutions • Verify which DP standard (DP 1.1a or DP 1.2) is your Graphics Card certified to. Download and install the latest graphics card driver. • Some DP 1.1a graphics card cannot support DP 1.2 monitors. Go to OSD menu, under Input Source selection, press and hold DP select key for 8 sec to change the monitor setting from DP 1.2 to DP 1.1a.
Appendix Safety Instructions For displays with glossy bezels the user should consider the placement of the display as the bezel may cause disturbing reflections from surrounding light and bright surfaces. WARNING: 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. For information on safety instructions, see the Safety, Environmental, and Regulatory Information (SERI). FCC Notices (U.S.
Setting Up Your Monitor Setting Display Resolution to 2560 x 1440 (maximum) For best performance, set the display resolution to 2560 x 1440 pixels by performing the following steps: 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 Screen Resolution. 3 Click the Dropdown list of the Screen Resolution and select 2560 x 1440. 4 Click OK.
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. 4 Click Advanced Settings. 5 Identify your graphics controller supplier from the description at the top of the window (e.g. NVIDIA, AMD, Intel etc.). 6 Refer to the graphic card provider website for updated driver (for example, http://www.AMD.
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.
