Dell C5522QT User’s Guide Model: C5522QT Regulatory model: C5522QTt
NOTE: A NOTE indicates important information that helps you make better use of your display. 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 © 2021 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 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 About your display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Identifying parts and controls . . . . . . . . . . . . . . . . . . . . . . 9 Front view . .
Inserting the batteries in the remote control . . . . . . . . . . . . . . . . 34 Handling the remote control . . . . . . . . . . . . . . . . . . . . . . . . . 34 Operating range of the remote control . . . . . . . . . . . . . . . . . . . 35 Magnet warning statement . . . . . . . . . . . . . . . . . . . . . . . 36 Using the stylus . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 display Package contents Your display ships with the following components. 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 display. Some features may not be available in certain countries.
Stylus x 2 Remote control holder Wire Saddle x 3 Camera Wire Saddle x 3 Stylus nib x 2 Power cable (varies by country) Power cable for connecting Optiplex system to display (see Optiplex (Optional)) USB 3.
USB Type-C cable HDMI cable • Flatfrog Board Software download instruction • Safety, Environmental and Regulatory Information • Quick Setup Guide Product features The Dell C5522QT display has an active matrix, thin film transistor (TFT), liquid crystal display (LCD), and LED backlight. The display features include: • 138.787 cm (54.64 in.) active area display (Measured diagonally) 3840 x 2160 (16:9 aspect ratio) resolution, plus full-screen support for lower resolutions.
Identifying parts and controls Front view 1 1 5 2 34 Label Description 1 2 3 4 Screen drop down touch key IR Lens Power on/off button Power LED indicator Solid white light indicates the monitor is turned on and functioning normally. Blinking white light indicates the monitor is in Standby Mode.
Back view 1 1 2 3 4 5 678 Label 1 2 3 4 Description Handle x 2 VESA mounting holes (400 x 300 mm) USB Type-C cable clip Security lock slot 5 Optiplex holder 6 7 9 Regulatory label Barcode, serial number, and Service Tag label Serial number, Service Tag label, and Website AC to optiplex 10 AC power connector 8 10 | About your display 9 10 Use Use to move the display. To mount the display. Use to route USB Type-C cable. Secures Optiplex with security cable lock (sold separately).
Side view 1a 1b 6 1c 2 3 Label 1a 1b 1c 2 3 Description HDMI 1 connector HDMI 2 connector HDMI 3 connector DP connector USB Type-C/ DisplayPort 4 RS232 connector 5 Audio line-out port 7 4 8 5 9 Use Connect your computer with HDMI cable. Connect your computer with DP cable. Connect to your computer using the USB Type-C cable. The USB Type-C port offer the fastest transfer rate USB 3.1 and the alternate mode with DP 1.2 support the maximum resolution of 3840 x 2160 at 60 Hz, PD 20 V/4.
6 USB 3.1 upstream ports (3) 7 USB 3.1 downstream ports (3) 8 USB charging port 9 RJ-45 connector Connect the USB cable that comes with your display to the computer. Once this cable is connected, you can use the USB downstream connectors on the display and the touch screen function on the display. NOTE: Refer to section on “Input sources and USB pairing”. Connect your USB device.
Display specifications Screen type Panel Type Aspect ratio Viewable image dimensions Diagonal Active Area Horizontal Vertical Area Pixel pitch Pixel per inch (PPI) Viewing angle Horizontal Vertical Panel brightness Contrast ratio Display screen coating Response Time Color depth Color gamut Connectivity Active matrix - TFT LCD In-plane switching Technology 16:9 138.787 cm (54.64 in.) 1209.6 mm (47.62 in.) 680.4 mm (26.79 in.) 823011.84 mm2 (1275.74 in.2) 0.315 mm x 0.
Touch Type InGlassTM Touch Technology Input Method Finger and stylus Interface USB HID Compliant Up to 20 points touch Up to 4 pens Touch point NOTE: Touch Pen and Eraser differentiation ready (functionality subject to application). Support OS OS Windows Version 7 Pro and Ultimate 8, 8.1 Touch Pen 20 4 20 4 Eraser 1 1 20 20 4 4 (0) 1 1 (0) 4.4 (KitKat) with Linux kernel 3.15 (3.10) or later1 20 4 (0) 1 (0) 4 1 10 Chrome OS Linux kernel version 3.15 (3.
Note that touch sensor input accuracy is defined relative to the active touch area as defined in the reference drawing. The overall system accuracy, of touch co-ordinates relative to display co-ordinates, is directly affected by integration assembly tolerances.
2560 x 1440 88.8 60.0 241.5 +/- 3840 x 2160 65.68 30.0 262.75 +/+ 3840 x 2160 133.313 60.0 533.25 +/+ Electrical specifications Video input signals Input voltage/ frequency/ current Output voltage/ frequency/ current Inrush current Power Consumption • Digital video signal for each differential line Per differential line at 100 ohm impedance • DP/HDMI/USB Type-C signal input support 100-240 VAC / 50 or 60 Hz ± 3 Hz / 5.5 A (maximum) 100-240 VAC / 50 or 60 Hz ± 3 Hz / 2.
Physical characteristics Connector type • • • • • • • Signal cable type (in-box) DP, 3 m cable HDMI, 3 m cable USB 3.1, 3 m cable USB Type-C, 1.8 m cable Dimensions Height Width Depth Weight Weight with packaging Weight without packaging DP connector USB Type-C connector HDMI connector Audio line-out USB 3.1 connector RJ-45 connector RS232 connector 769.78 mm (30.31 in.) 1298.98 mm (51.14 in.) 78.7 mm (3.10 in.) 41.7 kgs (91.93 lb) 34.5 kgs (76.
Environmental characteristics Compliant Standards ENERGY STAR certified Monitor RoHS Compliant Temperature Operating Non-operating Humidity Operating Non-operating Altitude Operating Non-operating Thermal dissipation 18 | About your display 0°C to 40°C (32°F to 104°F) –20°C to 60°C (–4°F to 140°F) 10% to 80% (non-condensing) 5% to 90% (non-condensing) 5,000 m (16,404 ft) (maximum) 12,192 m (40,000 ft) (maximum) 1023.64 BTU/hour (maximum) 249.
Pin assignments DP connector 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(u) 8 GND 9 ML1(p) 10 ML0(n) 11 GND 12 ML0(p) 13 CONFIG1/(GND) 14 CONFIG2/(GND) 15 AUX CH (p) 16 DP_Cable Detect 17 AUX CH (n) 18 Hot Plug Detect 19 GND 20 +3.
USB Type-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 20 | About your display
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.
RS232 connector Pin number 9-pin side of the connected signal cable 1 Not Used 2 RX 3 TX 4 Not Used 5 GND 6 Not Used 7 Not Used 8 Not Used 9 Not Used 22 | About your display
RJ-45 connector Pin number 12-pin side of the connected signal cable 1 D+ 2 RCT 3 D- 4 D+ 5 RCT 6 D- 7 GND 8 GND 9 LED2_Y+ 10 LED2_Y- 11 LED2_G+ 12 LED2_G- About your display | 23
Universal Serial Bus (USB) This section gives you information about the USB ports available on your display. Your computer has the following USB ports: • 3 USB 3.1 upstream • 4 USB 3.1 downstream (1 USB charging port) NOTE: The display’s USB ports work only when the display is on or in standby mode. If you turn off the display and then turn it on, the attached peripherals may take a few seconds to resume normal functionality.
Plug-and-Play You can install the display in any Plug-and-Play-compatible system. The display 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 display settings. Most display installations are automatic; you can select different settings if desired. For more information about changing the display settings, see Operating the Display.
Setting up the display Connecting your display WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. To connect your display to the computer: 1. Turn off your computer. 2. Connect the HDMI/DP/USB Type-C/USB cable from your display to the computer. 3. Switch on your display. 4. Select the correct input source at Display OSD Menu and turn on your computer.
• Slide Optiplex holder back into display. External PC connection Connecting the USB cable USB USB NOTE: Refer to section on input source and USB pairing.
Connecting the HDMI cable HDMI HDMI Connecting the DP cable DP DP Connecting the USB Type-C cable USB Type-C USB Type-C 28 | Setting up the display
Connecting the Optiplex Connecting the HDMI cable HDMI 1 USB 1 Connecting the DP cable USB 3 DP Setting up the display | 29
Cable management for third-party webcam with OptiPlex (Optional) NOTE: Cable management clips are provided in the accessory box, you may use them to mange the cable(s) of a third party webcam or other external devices. Artworks below show the suggested mounting locations for able clips and a third-party webcam with OptiPlex.
Bottom mount – Clip location suggestion Setting up the display | 31
Wall mounting (Screw dimension: M8 x 35 mm). Refer to installation instruction that comes with the 3rd party wall mount that customer purchases. Vesa-compatible base mounting kit (400 x 300) mm. 1. Install Wall Plate to Wall. 2. Place the display panel on a soft cloth or cushion on a stable flat table. 3. Attach the mounting brackets from the wall mounting kit to the display. 4. Install Display to Wall Plate. 5.
Remote control 4. Left Press to move the selection left in OSD menu. 1 2 10 5. Down Press to move the selection down in OSD menu. 11 6. Menu Press to turn on the OSD menu. 3 4 5 12 6 13 7. Brightness Press to decrease the Brightness. 7 14 8 15 8. Volume Press to decrease the Volume. 9 9. MUTE Press to turn the mute function on/off. 10.Preset modes Display information about Preset Modes. 11. Right Press to move the selection right in OSD menu. 1. Power On/Off Switch this display on or off.
Inserting the batteries in the remote control The remote control is powered by two 1.5 V AAA batteries. To install or replace batteries: 1. Press and then slide the cover to open it. 2. Align the batteries according to the (+) and (–) indications inside the battery compartment. 3. Replace the cover. CAUTION: The incorrect use of batteries can result in leaks or bursting.
Operating range of the remote control Point the top of the remote control toward the LCD display’s remote sensor during button operation. Use the remote control within a distance of about 7 m from remote control sensor or at a horizontal and vertical angle of within 22.5° within a distance of about 7 m.
Magnet warning statement Avoid interference with pacemakers. Maintain a minimum of 15 cm (6 in.) between product and pacemakers to avoid potential interference, as recommended by manufacturers and the independent research group. If you have any reason to suspect that your product is interfering with a pacemaker or other medical device, distancing the stylus away immediately and contact the manufacturer of the pacemaker or medical device for guidance.
Stylus writing nib and Erase nib The smaller diameter tip is meant for writing on the display screen. Hold the stylus similar as to how one would hold a white board marker. The bigger diameter tip is recognized as an erasing feature, it works similar to how a pencil with an eraser end functions. Replacing the stylus nib When the smaller diameter tip shows signs of wear and tear it can be replaced by unscrewing the front tip.
Operating the display Turning on the display Press the Power button to turn the display On and Off. The white LED indicates the display is On and fully functional. A glowing white LED indicates Standby Mode. Touch OSD launcher This display comes with a touch OSD functionalities. Press the OSD launcher touch key to access the functionalities.
Using the touch control launcher Use the touch control icons on the front of the display to adjust the characteristics of the image being displayed. As you use these icons to adjust the controls, an OSD shows the numeric values of the characteristics as they change. 1 2 3 4 5 6 7 The following table describes the touch control icons: Touch Control icons 1 Screen Off Description Use this icon to switch screen to black or white. Go to Menu to select screen off color. Use touch key to screen restore.
Using the OSD lock function 1. Press the OSD launcher touch key. 1 2. Touch and hold 2 3 4 5 6 7 for 5 seconds. you can see following select option: Dell 55 Monitor Select Option: The following table describes the touch control icons: Options Description 1 Use this icon to lock OSD menu function. OSD menu lock Use this icon to lock power button from powering off. 2 Power-off button lock Use this icon to lock OSD menu and power button from powering off.
3. Touch and hold for 5 seconds, touch to unlock. Dell 55 Monitor Select Option: 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 OSD menu.
Use the OK icon to confirm your selection. 3 OK Use the Back icon to go back to the previous menu. 4 Back Touch OSD control Icon Menu and Submenus Brightness/ Contrast Description Use this menu to activate Brightness/Contrast adjustment. Dell 55 Monitor Brightness/Contrast Input Source Color Display 75% Audio Menu 75% Personalize Others Brightness Brightness adjusts the luminance of the backlight (minimum 0; maximum 100). Touch the icon to increase brightness.
Icon Menu and Description Submenus Input Source Use the Input Source menu to select between different video inputs that are be connected to your display. Dell 55 Monitor Brightness/Contrast USB Type-C Input Source DP Color HDMI 1 Display HDMI 2 Audio HDMI 3 Menu Auto Select Personalize Reset Input Source On Others USB Type-C DP HDMI 1 HDMI 2 HDMI 3 Auto Select Reset Input Source Select USB Type-C input when you are using the USB Type-C connector.
Icon Menu and Submenus Color Description Use the Color menu to adjust the color setting mode. Dell 55 Monitor Brightness/Contrast Input Source Color Preset Modes Standard Display Input Color Format RGB Audio Reset Color Menu Personalize Others Preset Modes When you select Preset Modes, you can choose Standard, ComfortView, Color Temp. or Custom Color from the list.
Icon Menu and Submenus Input Color Format Description • Blink frequently to moisten or rewet your eyes when working with the display. • Take regular and frequent breaks for 20 minutes every two hours. • Look away from your display and gaze at a distant object at 20 feet away for at least 20 seconds during the breaks. • Perform stretches to relieve tension in the neck/arm/ back/shoulders during the breaks. • Color Temp.
Icon Menu and Submenus Display Description Use the Display menu to adjust image. Dell 55 Monitor Brightness/Contrast Input Source Color Aspect Ratio Wide 16:9 Display Sharpness 50 Audio Reset Display Menu Personalize Others Aspect Ratio Adjust the image ratio to Wide 16:9, 4:3 or 5:4. Sharpness Makes the image look sharper or softer. Use or to adjust the sharpness from ‘0’ to ‘100’. Reset Display Restores the display settings to factory defaults.
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. Dell 55 Monitor Brightness/Contrast Input Source Color Display Audio Language English Transparency 20 Timer 20 s Reset Menu Menu Personalize Others Language Set the OSD display to one of eight languages. (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese).
Icon Menu and Submenus Personalize Description Dell 55 Monitor Power Button LED USB-A Charging USB-C Charging Monitor Sleep Screen Drop Down Level Screen Off Color 48 | Brightness/Contrast Power Button LED On In On Mode Input Source USB-A Charging Off In Standby Mode Color USB-C Charging Off In Off Mode Display Monitor Sleep On Audio Screen Drop Down Level 1/2 screen Menu Screen Off Color White Personalize Wake On Touch Off Others Reset Personalization Allows you to set t
Icon Menu and Submenus Wake On Touch Reset Personalization Other Description Select On to turn on this feature. Restores shortcut keys to factory defaults. Dell 55 Monitor Display Info Display Info On Brightness/Contrast DDC/CI Input Source HDMI CEC Off Color LCD Conditioning Off Display Firmware M2T101 Audio IP Address 10.0.50.
Icon Menu and Submenus DDC/CI Description DDC/CI (Display Data Channel/Command Interface) allows you to adjust the display 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 display.
Icon Menu and Submenus Service Tag Description Show Service Tag. Reset Others Restores other settings, such as DDC/CI, to factory defaults. Factory Reset Restores all preset values to the factory default settings. These are also the settings for ENERGY STAR® tests. Dell 55 Monitor Display Info Brightness/Contrast DDC/CI Input Source HDMI CEC On Color LCD Conditioning Display Firmware M2T101 Audio IP Address 10.0.50.
OSD warning messages When the display does not support a particular resolution mode, you can see the following message: Dell 55 Monitor The current input timing is not supported by the monitor display. Please change your input timing to 3840 x 2160, 60Hz or any other monitor listed timing as per the monitor specifications. C5522QT This means that the display cannot synchronize with the signal that it is receiving from the computer.
Select OSD items of On in Standby Mode in Personalize feature, the following message will appear: Dell 55 Monitor Changing to this setting (without symbol) will Increase power consumption, Do you want to continue? Yes No C5522QT If adjust the Brightness level above the default level over 75%, the following message will appear: Dell 55 Monitor Adjusting to this value will increase power consumption above the default level.
If either HDMI 1, HDMI 2, HDMI 3, DP or USB Type-C input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. Dell 55 Monitor No HDMI 1 Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT or Dell 55 Monitor No HDMI 2 Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT or Dell 55 Monitor No HDMI 3 Cable The display will go into Standby Mode in 4 minutes. www.dell.
Dell 55 Monitor No USB Type-C Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT 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 3840 x 2160. 4. Click OK. In Windows 10: 1. Right-click on the desktop and click Display Settings. 2.
Dell web management for displays Before accessing the Dell Display Web Management feature, ensure the Ethernet is working normally. 1 2 3 4 5 6 7 • Ethernet Enable Touch and hold the touch key 5 on the front panel for 4 seconds to turn on , A network icon appears and is shown on the center for 4 seconds. • Ethernet Disable Touch and hold the touch key 5 on the front panel for 4 seconds to turn off , A network icon appears and is shown on the center for 4 seconds.
2. In the computer’s IP Properties tab, specify an IP Address by selecting Use the following IP Address and enter the following values: For IP Address: 10.0.50.101 and for Subnet Mask: 255.0.0.0 (leave all other entries as blanks). 3. The IP Address configuration would now look like this: Configure notebook IP Address to 10.0.50.101 Monitor IP Address 10.0.50.100 To access and use the web management tool, follow these steps: 1. Open a web browser and type the display’s IP Address (10.0.50.
3. The Home page opens: Dell C5522QT Dell C5522QT 4. Click Network Settings tab to see the network settings.
5. Click Monitor Control to see the display’s status. 6. Click Firmware Update. You can download the latest drivers from the Dell Support website at www.dell.com/support. Upgrade firmware page and wait for 30 seconds.
Finished. Click on button to proceed after 8 seconds. 7. Click Security to set a password. 8. Click Crestron to control interface.
Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-Test Your display provides a self-test feature that allows you to check whether your display is functioning properly. If your display and computer are properly connected but the display screen remains dark, run the display self-test by performing the following steps: 1. Turn off both your computer and the display. 2. Unplug the video cable from the back of the computer.
or Dell 55 Monitor No HDMI 3 Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT or Dell 55 Monitor No DP Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT or Dell 55 Monitor No USB Type-C Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C5522QT C5522QT 4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged. 5.
Built-in diagnostics Your display has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your display, or with your computer and video card. 1 2 3 4 5 6 7 To run the built-in diagnostics: 1. Make sure that the screen is clean (no dust particles on the surface of the screen). 2. Touch and hold for 5 seconds in lock Select Option. Touch the self-inspection icon A gray screen appears. 3.
Common problems The following table contains general information about common display problems you might encounter and the possible solutions: Common Symptoms No Video/ Power LED off No Video/ Power LED on Poor Focus Shaky/Jittery Video Missing Pixels What You Experience No picture Possible Solutions • Ensure that the video cable connecting the display and the computer is properly connected and secure. • Verify that the power outlet is functioning properly using any other electrical equipment.
Common What You Possible Solutions Symptoms Experience Stuck-on Pixels LCD screen has • Cycle power On-Off. bright spots • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Display Quality and PixelPolicy, see Dell Support site at: http://www.dell.com/support/monitors. Brightness Picture too dim • Reset the display to factory settings. Problems or too bright • Adjust brightness & contrast controls via OSD.
Common Symptoms Missing Color What You Experience Picture missing color Possible Solutions • Perform display self-test. • Ensure that the video cable connecting the display to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector. Wrong Color Picture color • Change the settings of the Preset Modes not good in the Color menu OSD depending on the application. • Adjust R/G/B value under Custom. Color in Color menu OSD.
Specific Symptoms Cannot adjust the display with touch OSD What You Experience OSD does not appear on the screen Possible Solutions No Input Signal when user controls are pressed No picture, the LED light is white • Check the signal source. Ensure the computer is not in the power saving mode by moving the mouse or pressing any key on the keyboard. • Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary. • Reset the computer or video player.
Specific Symptoms Intermittent charging when using USB Type-C connection to computer, laptop, and so on What You Experience Intermittent charging Possible Solutions • Check if the maximum power consumption of device is over 90 W. • Ensure that you use only Dell approved adapter or the adapter that comes with the product. • Ensure that the USB Type-C cable is not damaged.
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). • Switch off and then turn on the display again. • Reboot the computer. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system.
Specific Symptoms USB is not working What You Experience No USB functionalities Possible Solutions • Refer to input source and USB pairing table. Ethernet problems Specific Symptoms Ethernet not working What You Experience Dell Web Management for Displays Webpage control is not working Possible Solutions • Ensure that the Network cable connecting the Display is properly secured. • Touch the icon 5 on the screen for 4 seconds to turn on , A network icon appears and is shown on the center for 4 seconds .
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.
