User`s Guide
Contents
1. Input Source Use the Input Source menu to select between different video signals that may be connected to your monitor Dell U2412M Energy Use IBBBBEREDBEREREBERENG O Brightness Contrast Y Auto Select Auto Adjust VGA Input Source DVI D ee Color Settings Display Port C Display Settings gt Other Settings Personalize OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz Auto Select Push to select Auto Select the monitor will auto detect either VGA input or DVI D input or DislpayPort input Select VGA input when you are using the analog VGA connector Push to select the VGA input source gt gt DVI D Select DVI D input when you are using the Digital DVI connector Push to select the DVI input source DisplayPort Select DisplayPort input when you are using the DisplayPort DP connector Push to select the DisplayPort input source Color Settings Use Color Settings to adjust the color setting mode and color temperature There are different color setting sub menus for VGA DVI D and Video input Dell U2412M Energy Use IBBREBRERBERBERRLTENN 0 Brightness Contrast b RGB Auto Adjust Gamma PC Input Source Preset Modes Standard Reset Color Settings _ Display Settings Other Settings gt Personalize CUO Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz Input Color Format Choose the RGB option if monitor is connected to a computer or a DVD using a V2. Video Green Video Blue GND Self test GND R GND G GND B Computer 5V 3 3V GND sync GND DDC data H sync V sync DDC clock Pin 24 pin Side of the Connected Signal Cable Number TMDS RX2 TMDS RX2 TMDS Ground Floating Floating DDC Clock DDC Data Floating TMDS RX1 TMDS RX1 TMDS Ground Floating Floating 5V 3 3V power Self test Hot Plug Detect TMDS RXO TMDS RX0 TMDS Ground Floating Floating TMDS Ground TMDS Clock TMDS Clock DisplayPort Connector NO N Pin 20 pin Side of the Connected Signal Cable Number MLO p GND MLO n ML1 p GND ML1 n ML2 p GND ML2 n ML3 p GND ML3 n GND GND AUX p GND AUX n HPD DP_PWR Return 3 3V DP_PWR Plug and Play Capability 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 system 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 Universal Serial Bus USB Interface This section gives you information about the USB ports that are available on the left side of your monitor K NOTE This monitor supports High Speed Certified USB 2 0 interface USB U
3. desktop portable computer or graphics card In Windows XP Pp Right click on the desktop and click Properties 2 Select the Settings tab 3 Select Advanced 4 Identify your graphics controller supplier from the description at the top of the window e g NVIDIA ATI Intel etc 5 Refer to the graphic card provider website for updated driver for example http www ATI com OR http www NVIDIA com 6 After installing the drivers for your Graphics Adapter attempt to set the resolution to 1920 x 1200 again In Windows Vista or Windows 7 Pp Right click on the desktop and click Personalization 2 Click Change Display Settings 3 Click Advanced Settings 4 Identify your graphics controller supplier from the description at the top of the window e g NVIDIA ATI Intel etc 5 Refer to the graphic card provider website for updated driver for example http www ATI com OR http www NVIDIA com 6 After installing the drivers for your Graphics Adapter attempt to set the resolution to 1920 x 1200 again 74 NOTE If you are unable to set the resolution to 1920 x 1200 please contact the manufacturer of your computer or consider purchasing a graphics adapter that will support the video resolution of 1920 x 1200 Back to Contents Page Back to Contents Page Operating the Monitor Dell U2412M Monitor User s Guide Using the Front Panel Controls Using the On Screen Display OSD Menu PowerN
4. 1 Push the El button to launch the OSD menu and display the main menu Main Menu for analog VGA input Dell U2412M Energy Use till Auto Adjust Input Source ee Color Settings C Display Settings Other Settings Personalize Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz or Main Menu for digital DVI input Dell U2412M Energy Use Input Source ee Color Settings C Display Settings je Other Settings Personalize gm OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz or Main Menu for display DP input Dell U2412M Energy Use Input Source ee Color Settings C Display Settings Other Settings Personalize lt gt OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz EANOTE Auto Adjust is only available when you use the analog VGA connector A 2 Push the A and buttons to move between the setting options As you move from one icon to another the option name is highlighted See the following table for a complete list of all the options available for the monitor 3 Push the button once to activate the highlighted option 4 Push and button to select the desired parameter 5 Push to enter the slide bar and then use the and buttons according to the indicators on the menu to make your changes 6 Select the MP button to return to the main menu Icon Menu and Description
5. computer in the safe mode Safety Related Issues Visible signs of smoke or Do not perform any troubleshooting steps Sparks Contact Dell immediately Intermittent Problems Monitor malfunctions on amp off Ensure that the video cable connecting the monitor to the computer is connected properly 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 color Perform monitor self test feature check 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 Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application Try different Color Preset Settings in Color Settings OSD Adjust R G B value in Color Settings OSD if the Color Management is turned off Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD Run the built in diagnostics Image retention from a static Faint shadow from the static Use the Power Management feature to turn off the monitor at all times when not in use image left on the monitor for a Jimage displayed appears on for more information see Power Management Modes long period of time the screen Alternatively use a dynamically changing screensaver Product Specific Problems Specific Symptoms Screen image is
6. monitor Avoid using detergent of any kind as some detergents leave a milky film on the monitor If you notice white powder when you unpack your monitor wipe it off with a cloth Handle your monitor with care as a darker colored monitor may scratch and show white scuff marks more than a lighter colored monitor To help maintain the best image quality on your monitor use a dynamically changing screen saver and turn off your monitor when not in use Back to Contents Page Back to Contents Page Appendix Dell U2412M Monitor User s Guide Safety Instructions FCC Notice U S Only and Other Regulatory Information Contacting Dell warni NG Safety I nstructions A 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 Product Information Guide FCC Notices U S Only and Other Regulatory Information For FCC notices and other regulatory information see the regulatory compliance website located at www dell com regulatory compliance Contacting Dell For customers in the United States call 800 WWW DELL 800 999 3355 K 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 o
7. stereo plug from the back of the Soundbar into the computer s audio output jack Removing the Stand K NOTE To prevent scratches on the LCD screen while removing the stand ensure that the monitor is placed on a soft clean surface NOTE This is applicable for a monitor with a stand When any other stand is bought please refer to the respective stand setup guide for set up instructions To remove the stand 1 Place the monitor on a flat surface 2 Press and hold the stand release button 3 Lift the stand up and away from the monitor Wall Mounting Optional 21 acc races CO e A LA 215 9 ot pr so Mu a Screw dimension M4 x 10 mm Refer to the instructions that come with the VESA compatible wall mounting kit Place the monitor panel on a soft cloth or cushion on a stable flat table Remove the stand Use a Philips crosshead screwdriver to remove the four screws securing the plastic cover Attach the mounting bracket from the wall mounting kit to the monitor Mount the monitor on the wall by following the instructions that came with the wall mounting kit 0 UNA K NOTE For use only with UL Listed Wall Mount Bracket with minimum weight load bearing capacity of 4 52 kg Back to Contents Page Back to Contents Page Troubleshooting Dell U2412M Monitor User s Guide Self lest Built in Diagnostics Common Problems Product Specific Problems Universal Serial Bus S
8. too small Image is centered on screen Check the Scaling Ratio setting in Image Setting OSD but does not fill entire viewing Reset the monitor to Factory Settings area Cannot adjust the monitor withlOSD does not appear on the Turn off the monitor unplug the power cord plug it back and then turn on the monitor the buttons on the front panel screen Check whether the OSD menu is locked If yes press and hold the button above the Power button for 10 seconds to unlock for more information see Menu Lock No input signal when user No picture the LED light is blue Check the signal source Ensure the computer is not in the power saving mode by controls are pressed 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 The picture does not fill the The picture cannot fill the Due to different video formats aspect ratio of DVDs the monitor may display in full entire screen height or width of the screen screen Run the built in diagnostics E NOTE When choosing DVI D mode the Auto Adjust function will not be available Universal Serial Bus USB Specific Problems pecific Sym perience Possible Solutions USB interface is not working USB peripherals are not Check that your monitor is turned ON working Reconnect the upstream cable to your computer Reconnect the USB peripherals downstream connector Sw
9. 412M 480p 576p 720p 1080p 576i 1080i Video display capabilities DVI amp DP playback Preset Display Modes U2412M Display Mode dia n en Vertical Frequency Hz Pixel Clock MHz Sync Polarity Horizontal Vertical VESA 720 x 400 31 5 70 0 28 3 VESA 640 x 480 31 5 59 9 25 2 VESA 800 x 600 37 9 60 3 40 0 VESA 1024 x 768 48 4 60 0 65 0 VESA 1280 x 1024 64 0 60 0 108 0 VESA 1600 x 1200 75 0 60 0 162 0 VESA 1680 x 1050 64 7 VESA 1920 x 1080 66 6 VESA 1920 x 1200 74 0 59 9 119 0 59 9 138 5 60 0 154 0 Electrical Specifications U2412M Analog RGB 0 7 Volts 5 positive polarity at 75 ohm input impedance Video input signals Digital DVI D TMDS 600mV for each differential line positive polarity at 50 ohm input impedance DP 1 1a signal input support Synchronization input signals AC input voltage frequency current Inrush current Physical Characteristics Model Connector type Signal cable type Dimensions with stand Height extended Height compressed Width Depth Dimensions without stand Height Width Depth Stand dimensions Height extended Height compressed Width Depth 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 TTL levels requir
10. Dell U2412M Monitor User s Guide About Your Monitor Setting Up the Monitor Operating the Monitor Troubleshooting Appendix Notes Notices and Cautions E NOTE A NOTE indicates important information that helps you make better use of your computer Z CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem Ax WARNING A WARNING indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2011 Dell Inc All rights reserved Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell and the DELL logo are trademarks of Dell Inc Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Intel is a registered trademark of Intel Corporation in the U S and other countries and ATI is a trademark of Advanced Micro Devices Inc ENERGY STAR is a registered trademark of the U S Environmental Protection Agency As an ENERGY STAR partner Dell Inc has determined that this product meets the ENERGY STAR guidelines for energy efficiency Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trade
11. GA or DVI cable Choose the YPbPr option if m connected to a DVD by a YPbPr to VGA or YPbPr to DVI cable or if the DVD color output setting is not RGB us E f Preset Modes Dell U2412M Energy Use IBBBBEREBBEREREBERENG Brightness Contrast Input Color Format Y RGB Auto Adjust Input Source Preset Modes Reset Color Settings Display Settings Other Settings Personalize OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz Allows you to set the color mode to PC or MAC Dell U2412M Energy Use IBBBBEREBBEREREBEIENG Brightness Contrast Input Color Format Auto Adjust Gamma Y PC Input Source Preset Modes Reset Color Settings Display Settings Other Settings Personalize OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz A When you select Preset Modes you can choose Standard Multimedia Movie Game Text Color Temp or Custom Color frc Standard Loads the monitor s default color settings This is the default preset mode Multimedia Loads color settings ideal for multimedia applications Movie Loads color settings ideal for movies Game Loads color settings ideal for most gaming applications Text Loads brightness and sharpness settings ideal for viewing texts A Color Temp Allows you to manually adjust the color temperature Press the and buttons to adjust the valu screen appears warmer with a red yellow tint when you set the slider at 5000K or cooler with a blu
12. Submenus Brightness Contrast Use this menu to activate Brightness Contrast adjustment Dell U2412M Energy Use Auto Adjust Input Source ee Color Settings C Display Settings Other Settings Personalize Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz Brightness Brightness adjusts the luminance of the backlight A Push the button to increase brightness and push the button to decrease brightness min 0 max 100 NOTE Manual adjustment of Brightness is disabled when Energy Smart or Dynamic Contrast is switched on Contrast Adjust Brightness first and then adjust Contrast only if further adjustment is necessary A Vv Push the button to increase contrast and push the button to decrease contrast min 0 max 100 The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen Auto Adjust Even though your computer recognizes your monitor on startup the Auto Adjustment function optimizes the display settings y with your particular setup Auto Adjustment allows the monitor to self adjust to the incoming video signal After using Auto Adjustment you can further t monitor by using the Pixel Clock Coarse and Phase Fine controls under Display Settings Auto Adjustment in Progress NOTE In most cases Auto Adjust produces the best image for your configuration NOTE Auto Adjust option is only available when you are using the analog VGA connector
13. aching the Stand K NOTE The stand is detached when the monitor is shipped from the factory K NOTE This is applicable for a monitor with a stand When any other stand is bought please refer to the respective stand setup guide for set up instructions To attach the monitor stand 1 Remove the cover and place the monitor on it 2 Fit the two tabs on the upper part of the stand to the groove on the back of the monitor 3 Press the stand till it snaps into its place Connecting Your Monitor A 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 and disconnect the power cable Connect the blue VGA cable from your monitor to your computer NOTE If your computer supports a white DVI connector connect the white DVI cable to the monitor and the white DVI connector on your computer K NOTE Do not connect the blue VGA the white DVI or the black DisplayPort cables to the computer at the same time 2 Connect the white digital DVI D or the blue analog VGA or the black DisplayPort display connector cable to the corresponding video port on the back of your computer Do not use the three cables on the same computer Use all cables only when they are connected to three different computers with appropriate video systems Connecting the white DVI cable A CAUTI ON The graphics are used for the pur
14. ap Software Setting the Maximum Resolution Using the Dell Soundbar Optional Using the Tilt Swivel and Vertical Extension Rotating the monitor Adjusting the Rotation Display Settings of Your System Using the Front Panel 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 Ci bb OQO N The following table describes the front panel buttons 1 Use this button to choose from a list of preset color modes Shortcut key Preset Modes 2 Use this button to directly access the Brightness Contrast menu Shortcut key Brightness Contrast 3 Use the MENU button to launch the on screen display OSD and select the OSD Menu See Accessing the Menu System 4 Use this button to go back to the main menu or exit the OSD main menu Exit D Use the Power button to turn the monitor on and off The blue LED indicates the monitor is on and fully functional An amber LED indicates power save mode Power with power light indicator Using the On Screen Display OSD Menu Accessing the Menu System K NOTE If you change the settings and then either proceed to another menu or exit the OSD menu the monitor automatically saves those changes The changes are also saved if you change the settings and then wait for the OSD menu to disappear
15. ar clockwise to the maximum volume setting Set all Windows volume controls to their maximum Increase the volume of the audio application Test the Soundbar using another audio source i e portable CD player
16. bar clockwise to a higher volume setting Clean and reseat the audio line in plug Test the Soundbar using another audio source i e portable CD player Clear any obstructions between the Soundbar and the user Confirm that the audio line in plug is completely inserted into the jack of the sound card Set all Windows volume controls to their midpoints Decrease the volume of the audio application Turn the Power Volume knob on the Soundbar counter clockwise to a lower volume setting Clean and reseat the audio line in plug Troubleshoot the computer s sound card Test the Soundbar using another audio source i e portable CD player Clear any obstructions between the Soundbar and the user Confirm that the audio line in plug is completely inserted into the jack of the audio source Decrease the volume of the audio source Turn the Power Volume knob on the Soundbar counter clockwise to a lower volume setting Clean and reseat the audio line in plug Clear any obstructions between the Soundbar and the user Confirm that the audio line in plug is completely inserted into the jack of the sound card or audio source Set all Windows audio balance controls L R to their midpoints Clean and reseat the audio line in plug Troubleshoot the computer s sound card Test the Soundbar using another audio source i e portable CD player Clear any obstructions between the Soundbar and the user Turn the Power Volume knob on the Soundb
17. e at support dell com Stuck on Pixels LCD screen has bright 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 site at support dell com Brightness Problems i i i Reset the monitor to Factory Settings Auto Adjust via OSD Adjust brightness amp contrast controls via OSD Geometric Distortion Screen not centered correctly Reset the monitor to Factory Settings Auto Adjust via OSD Adjust horizontal amp vertical controls via OSD NOTE When using DVI D input the positioning adjustments are not available Horizontal Vertical Lines Screen has one or more lines Reset the monitor to Factory Settings Perform Auto Adjust via OSD Adjust Phase and Pixel Clock controls via OSD Perform monitor self test feature check and determine if these lines are also in self test mode Check for bent or broken pins in the video cable connector Run the built in diagnostics NOTE When using DVI D input the Pixel Clock and Phase adjustments are not available Synchronization Problems Screen is scrambled or appears Reset the monitor to Factory Settings torn Perform Auto Adjust via OSD Adjust Phase and Pixel Clock controls via OSD Perform monitor self test feature check to determine if the scrambled screen appears in self test mode Check for bent or broken pins in the video cable connector Restart the
18. e tint when you set at 10000K A Custom Color Allows you to manually adjust the color settings Press the and buttons to adjust the three ci B values and create your own preset color mode Dell U2412M Energy Use 0 Brightness Contrast Input Color Format Auto Adjust Gamma Input Source Preset Modes Reset Color Settings Mutimedia C Display Settings Movie Other Settings Game gt Personalize Text Color Temp Custom Color OWA Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz This feature can shift the color of the video image to green or purple This is used to adjust the desired flesh tone color Use M adjust the hue from 0 to 100 A Press A to increase the green shade of the video image Vv Press to increase the purple shade of the video image NOTE Hue adjustment is available only when you select Movie or Game preset mode A This feature can adjust the color saturation of the video image Use A or to adjust the saturation from 0 to 100 Press to increase the monochrome appearance of the video image Press to increase the colorful appearance of the video image NOTE Saturation adjustment is available only when you select Movie or Game preset mode Reset Color Setting Reset your monitor color settings to the factory settings Display Settings Use the Display Settings to adjust image Dell U2412M Energy Use 0 Brig
19. ed and separate syncs including Trigger points SOG Composite SYNC on green 100 to 240 VAC 50 or 60 Hz 3 Hz 1 2 A typical 120 V 30 A Max 240 V 60 A Max U2412M 15 pin D subminiature blue connector DVI D white connector DP black connector Digital detachable DVI D solid pins shipped detached from the monitor Analog attachable D Sub 15pins shipped detached from the monitor 513 5 mm 20 22 inches 398 5 mm 15 69 inches 556 0 mm 21 89 inches 180 3 mm 7 10 inches 361 6 mm 14 24 inches 556 0 mm 21 89 inches 64 9 mm 2 56 inches 400 7 mm 15 78 inches 285 7 mm 11 25 inches 279 8 mm 11 02 inches 180 3 mm 7 10 inches 16 48 Ibs 7 49 kg 13 73 Ibs 6 24 kg 8 73 lbs 3 97 kg 3 87 lbs 1 76 kg 5 0 gloss unit max Black Frame 20 0 gloss unit max Silver Frame Environmental Characteristics U2412M Temperature Operating 0 C to 40 C Storage 20 C to 60 C 4 F to 140 F Non operating Shipping 20 C to 60 C 4 F to 140 F Humidity Operating 10 to 80 non condensing Storage 5 to 90 non condensing Shipping 5 to 90 non condensing Non operating Altitude Operating 3 048 m 10 000 ft max Non operating 10 668 m 35 000 ft max 245 66 BTU hour maximum Thermal disSsipanon 129 66 BTU hour typical Power Management Modes If you have VESA s DPM compliance display card o
20. htness Contrast Aspect Ratio b Wide 16 10 Auto Adjust Horizontal Position 50 E Input Source Vertical Position b 50 ee Color Settings Sharpness 50 3 Pixel Clock b 50 fe Other Settings Phase b 50 Personalize Reset Display Settings ORIO Resolution 1280x1024 60Hz Maximum Resolution 1920 x 1200 60Hz Back to Contents Page Setting Up Your Monitor Dell U2412M Monitor Setting the display resolution to 1920 x 1200 maximum For maximum display performance with Microsoft Windows operating systems set the display resolution to 1920 x 1200 pixels by performing the following steps In Windows XP 1 Right click on the desktop and click Properties 2 Select the Settings tab 3 Move the slider bar to the right by pressing and holding the left mouse button and adjust the screen resolution to 1920 x 1200 4 Click OK In Windows Vista or Windows 7 1 Right click on the desktop and click Personalization 2 Click Change Display Settings 3 Move the slider bar to the right by pressing and holding the left mouse button and adjust the screen resolution to 1920 x 1200 4 Click OK If you do not see 1920 x 1200 as an option you may need to update your graphics driver Please choose the scenario below that best describes the computer system you are using and follow 1 If you have a Dell desktop or a Dell portable computer with internet access 2 If you have a non Dell desktop po
21. ious 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 K NOTE You can run the built in diagnostics only when the video cable is unplugged and the monitor is in self test mode Oo bb N To run the built in diagnostics Ensure that the screen is clean no dust particles on the surface of the screen Unplug the video cable s from the back of the computer or monitor The monitor then goes into the self test mode Press and hold Button 1 and Button 4 on the front panel simultaneously for 2 seconds A gray screen appears Carefully inspect the screen for abnormalities Press Button 4 on the front panel again The color of the screen changes to red Inspect the display for any abnormalities Repeat steps 5 and 6 to inspect the display in green blue black and white screens ee The test is complete when the white screen appears To exit press Button 4 again If you do not detect any screen abnormalities upon using the built in diagnostic tool the monitor is functioning properly Check the video card and computer Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions Common Sy
22. itch off and then turn on the monitor again Reboot the computer Some USB devices like external portable HDD require higher electric current connect the device directly to the computer system High Speed USB 2 0 interface isJHigh Speed USB 2 0 Check that your computer is USB 2 0 capable peripherals working slowly or Some computers have both USB 2 0 and USB 1 1 ports Ensure that the correct USB port not working at all is used Reconnect the upstream cable to your computer Reconnect the USB peripherals downstream connector Reboot the computer Dell Soundbar Problems Common Symptoms No Sound Distorted Sound Distorted Sound Unbalanced Sound Output Low Volume Back to Contents Page What You Experience No power to Soundbar the power indicator is off Soundbar has power power indicator is on Computer s sound card is used as the audio source Other audio source is used Sound from only one side of Soundbar Volume is too low Possible Solutions Turn the Power Volume knob on the Soundbar clockwise to the middle position check if the power indicator Blue LED on the front of the Soundbar is illuminated Confirm that the power cable from the Soundbar is plugged into the adapter Plug the audio line in cable into the computer s audio out jack Set all Windows volume controls to their maximum Play some audio content on the computer i e audio CD or MP3 Turn the Power Volume knob on the Sound
23. itor to the monitor and the USB upstream port computer Once this cable is connected you can use the USB connectors on the side and bottom of the monitor Connect your USB devices You can only use this connector after you have USB downstream ports connected the USB cable to the computer and USB upstream connector on the monitor To lock the stand to the monitor using M3 x 6 mm screw screw is not Stand lock feature provided Monitor Specifications Flat Panel Specifications Model Screen type Panel type Screen dimensions Preset display area Horizontal Vertical Pixel pitch Viewing angle Luminance output Contrast ratio Faceplate coating Backlight Response time Color depth Color gamut U2412M Active matrix TFT LCD IPS 60 96 cm 24 inches viewable image size 518 4 H X 324 0 V mm 518 4 mm 20 3 inches 324 0 mm 12 7 inches 0 27 mm 178 vertical typical 178 horizontal typical 300 cd m typical 1000 to 1 typical 2M to 1 typical Dynamic Contrast On Antiglare with hard coating 3H LED edgelight system 8 ms gray to gray typical 16 7 million colors 82 U2412M color gamut typical is based on CIE1976 82 and CIE1931 72 test standards Resolution Specifications U2412M Horizontal scan range 30 kHz to 83 kHz automatic Vertical scan range 50 Hz to 61 Hz automatic Maximum preset resolution 1920 x 1200 at 60 Hz Supported Video Modes U2
24. marks and trade names other than its own Model U2412Mb July 2011 Rev A00 Back to Contents Page About Your Monitor Dell U2412M Monitor User s Guide Package Contents Product Features identifying Parts and Controls Monitor Specifications Plug and Play Capability Universal Serial Bus USB Interface LCD Monitor Quality and Pixel Policy Maintenance Guidelines Package Contents Your monitor ships with the components shown below Ensure that you have received all the components and contact Dell if something is missing K NOTE Some items may be optional and may not ship with your monitor Some features or media may not be available in certain countries 9 NOTE To set up with any other stand please refer to the respective stand setup guide for setup instructions Monitor Stand Power Cable VGA Cable DVI Cable USB upstream cable enables the USB ports on the monitor Drivers and Documentation media Quick Setup Guide Product and Safety Information Guide Samtieg Up Your Marini trsy U me siin Product Features The U2412M flat panel display has an active matrix Thin Film Transistor TFT Liquid Crystal Display LCD The monitor features include m 60 96 cm 24 inch viewable area display measured diagonally 1920 x 1200 resolution plus full screen support for lower resolutions Wide viewing angle to allow viewing from a sitting or standing position
25. mptoms What You Experience Possible Solutions No Video Power LED off No picture Ensure that the video cable connecting the monitor and the computer is properly connected and secure Verify that the power outlet is functioning properly using any other electrical equipment Ensure that the power button is depressed fully Ensure that the correct input source is selected via the Input Source Select button No Video Power LED on No picture or no brightness Increase brightness amp contrast controls via OSD Perform monitor self test feature check Check for bent or broken pins in the video cable connector Run the built in diagnostics Ensure that the correct input source is selected via the Input Source Select button Poor Focus Picture is fuzzy blurry or Perform Auto Adjust via OSD ghosting Adjust the Phase and Pixel Clock controls via OSD Eliminate video extension cables Reset the monitor to Factory Settings Change the video resolution to the correct aspect ratio 16 10 Shaky Jittery Video Wavy picture or fine movement Perform Auto Adjust via OSD Adjust the Phase and Pixel Clock controls via OSD Reset the monitor to Factory Settings Check environmental factors Relocate the monitor and test in another room Missing Pixels 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 sit
26. or while moving from side to side m Tilt swivel vertical extension and rotate adjustment capability m Removable stand and Video Electronics Standards Association VESA 100 mm mounting holes for flexible mounting solutions m Plug and play capability if supported by your system m On Screen Display OSD adjustments for ease of set up and screen optimization m Software and documentation media includes an information file INF Image Color Matching File ICM PowerNap software application and product documentation m Energy Saver feature for Energy Star compliance m Security lock slot m Stand lock m Asset Management Capability m Capability to switch from wide aspect to standard aspect ratio while maintaining the image quality m EPEAT Gold Rating m Halogen Reduced a TCO Certified Displays PowerNap Software included comes in the CD shipped with the monitor Identifying Parts and Controls Front View Front view Front panel controls Back View O0 Po N 6 Back view Back view with monitor stand Label Description Use 1 eee ae KOU HAN Wall mount monitor using VESA compatible wall mount kit 100 mm x 100 mm 2 3 a 5 o 7 8 Cable management slot Use to organize cables by placing them through the slot Side View USB downstream ports Left view Right view Bottom View Bottom view Bottom view with monitor stand a A Connect the USB cable that came with your mon
27. pecific Problems Dell Soundbar Problems 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 To ensure proper Self Test operation remove all Digital white connector and the Analog blue connector cables from the back of computer 3 Turn on the monitor The floating dialog box should appear on screen against a black background if the monitor cannot sense a video signal and is working correctly While in self test mode the power LED remains green Also depending upon the selected input one of the dialogs shown below will continuously scroll through the screen Dell U2412M Dell U2412M Cumo No VGA Cable D No DVI D Cable The display will go into Power Save Mode in 5 minutes The display will go into Power Save Mode in 5 1 This box also appears during normal system operation if the video cable becomes disconnected or damaged 2 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 prev
28. pose of illustration only Appearance of the computer may vary Connecting the USB cable After you have completed connecting the DVI VGA DP cable follow the procedures below to connect the USB cable to the computer and complete your monitor setup 1 Connect the upstream USB port cable supplied to an appropriate USB port on your computer See bottom view for details 2 Connect USB peripherals to the downstream USB ports side or bottom on the monitor See side or bottom view for details 3 Plug the power cables for your computer and monitor into a nearby outlet 4 Turn on the monitor and the computer If your monitor displays an image installation is complete If it does not display an image see Solving Problems 5 Use the cable slot on the monitor stand to organize the cables After attaching all necessary cables to your monitor and computer See Connecting Your Monitor for cable attachment organize all cables as shown above Attaching the Soundbar Optional A CAUTION Do not use with any device other than the Dell Soundbar K NOTE The Soundbar power connector 12 V DC output is for the optional Dell Soundbar only To attach the Soundbar Working from the back of the monitor attach the Soundbar by aligning the two slots with the two tabs along the bottom of the monitor Slide the Soundbar to the left until it snaps into place Connect the Soundbar with the DC power connector Insert the mini
29. pstream Connector 12 4 pin Side of the Connector DPU GND USB Downstream Connector USB Ports 1 upstream back 4 downstream 2 on the back 2 on the left side K NOTE USB 2 0 functionality requires a USB 2 0 capable computer K NOTE The monitor s USB interface works only when the monitor is on or in power save mode If you turn off the monitor and then turn it on the attached pe take a few seconds to resume normal functionality LCD Monitor Quality and Pixel Policy 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 Dell Monitor Quality and Pixel Policy see Dell Support site at support dell com Maintenance Guidelines Cleaning Your Monitor Ax WARNING Read and follow the safety instructions before cleaning the monitor Ax WARNING Before cleaning the monitor unplug the monitor power cable from the electrical outlet For best practices follow the instructions in the list below while unpacking cleaning or handling your monitor To clean your antistatic screen lightly dampen a soft clean cloth with water If possible use a special screen cleaning tissue or solution suitable for the antistatic coating Do not use benzene thinner ammonia abrasive cleaners or compressed air Use a lightly dampened warm cloth to clean the
30. ptions Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues Visit support dell com Verify your country or region in the Choose A Country Region drop down menu at the bottom of the page Click Contact Us on the left side of the page Select the appropriate service or support link based on your need Choose the method of contacting Dell that is convenient for you Back to Contents Page Back to Contents Page Help on PowerNap Installation To install PowerNap succesfully follow these steps 1 Check Operating System Requirements Windows XP Windows Vista Windows 7 2 Install Entech API Install 3 Install PowerNap Software Install Back to Contents Page Back to Contents Page Setting Up Your Monitor Dell U2412M Monitor If you have a Dell desktop or a Dell portable computer with internet access 1 Go to http support dell com enter your service tag and download the latest driver for your graphics card 2 After installing the drivers for your Graphics Adapter attempt to set the resolution to 1920 x 1200 again K NOTE If you are unable to set the resolution to 1920 x 1200 please contact Dell to inquire about a Graphics Adapter that supports these resolutions Back to Contents Page Back to Contents Page Setting Up Your Monitor Dell U2412M Monitor If you have a non Dell
31. r 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 U2412M VESA Modes Horizontal Sync Vertical Sync Video Power Indicator Power Consumption Normal Active Active Active Blue 72 W maximum operation 29 W typical Active off mode Inactive Inactive Blanked Amber Less than 0 5 W Switch off Off Less than 0 5 W The OSD will only function in the normal operation mode When any button is pressed in Active off mode one of the following messages will be displayed Dell U2412M There is no signal coming from your computer Press any key on the keyboard or move the mouse to wake it up If there is no display press the monitor button now to select the correct input source on the On Screen Display menu Activate the computer and the monitor to gain access to the OSD E4 NOTE This monitor is ENERGY STAR compliant ENERGY STAR Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor Maximum power consumption with max luminance Dell Soundbar and USB active Pin Assignments VGA Connector Pin 15 pin Side of the Connected Signal Cable Number Video Red
32. rtable computer or graphics card Back to Contents Page Dell U2412M Monitor User Guide Setting the display resolution to 1920 x 1200 maximum Information in this document is subject to change without notice 2011 Dell Inc All rights reserved Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell and the DELL logo are trademarks of Dell Inc Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Intel is a registered trademark of Intel Corporation in the U S and other countries and ATI is a trademark of Advanced Micro Devices Inc ENERGY STAR is a registered trademark of the U S Environmental Protection Agency As an ENERGY STAR partner Dell Inc has determined that this product meets the ENERGY STAR guidelines for energy efficiency Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model U2412Mb July 2011 Rev A00 Back to Contents Page Setting Up the Monitor Dell U2412M Monitor User s Guide Attaching the Stand Connecting the Monitor Organizing Your Cables Attaching the Soundbar optional Removing the Stand Wall Mounting Optional Att
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