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Dell U2312HM User Manual
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Dell U2312HM User Manual

User's guide
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See also: Setup Manual
Dell™ U2312HM Flat Panel Monitor
User Guide
Setting the display resolution to 1920 x 1080 (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 U2312HMt
June 2011 Rev. A00

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Summary of Contents for Dell U2312HM

  • Page 1 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.

  • Page 2: Notes, Notices, And Cautions

    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.

  • Page 3: Setting Up Your Monitor

    1: If you have a Dell™ desktop or a Dell™ portable computer with internet access. 2: If you have a non Dell™ desktop, portable computer, or graphics card.

  • Page 4: Package Contents

    Back to Contents Page About Your Monitor Dell™ U2312HM Flat Panel 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.
  • Page 5 Power Cable VGA Cable DVI Cable USB up stream cable (enables the USB ports on the monitor) Drivers and Documentation media Quick Setup Guide Product and Safety Information Guide...

  • Page 6: Product Features

    Product Features The U2312HM flat panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD). The monitor features include: ■ 23-inch (58.42 cm) viewable area display (Measured diagonally). 1920 x 1080 resolution, plus full-screen support for lower resolutions.

  • Page 7: Front View

    Front View Front View Front panel controls Label Description Preset Modes (default, but configurable) Brightness & Contrast (default, but configurable) Menu Exit Power (with power light indicator) Back View...

  • Page 8: Side View

    Secures monitor with security cable lock. Dell Soundbar mounting brackets Attaches the optional Dell Soundbar. Barcode serial number label Refer to this label if you need to contact Dell for technical support. USB downstream ports Connect your USB devices. Cable management slot Use to organize cables by placing them through the slot.

  • Page 9: Bottom View

    Left view Right view Bottom View Bottom view Bottom view with monitor stand Label Description AC power cord connector Connect the power cable DC power connector for Dell Soundbar. Connect the power cord for the soundbar (optional)

  • Page 10: Monitor Specifications

    1000 to 1 (typical), 2M : 1 (typical Dynamic Contrast On) Faceplate coating Antiglare with hard-coating 3H Backlight LED edgelight system Response Time 8 ms gray-to-gray (typical) Color depth 16.7 million colors Color Gamut 82%* *[U2312HM] color gamut (typical) is based on CIE1976 (82%) and CIE1931 (72%) test standards.

  • Page 11: Resolution Specifications

    Resolution Specifications Horizontal scan range 30 kHz to 83 kHz (automatic) Vertical scan range 56 Hz to 76 Hz (automatic) Maximum preset resolution 1920 x 1080 at 60 Hz Supported Video Modes Video display capabilities (DVI & DP playback) 480p, 576p, 720p, 1080p, 480i, 576i, 1080i Preset Display Modes Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/Vertical)

  • Page 12: Physical Characteristics

    AC input 100 to 240 VAC / 50 or 60 Hz + 3 Hz / 1.5 A (Typical) voltage/frequency/current 120 V : 30 A (Max) Inrush current 240 V : 60 A (Max) Physical Characteristics Connector type 15-pin D-subminiature, blue connector; DVI-D, white connector; DP, black connector.

  • Page 13: Environmental Characteristics

    (For wall mount or VESA mount considerations - no cables) Weight of stand assembly 1.72 kg (3.79 lbs) Front Frame Gloss 5.0 gloss unit (max.) (Black Frame) 20.0 gloss unit (max.) (Silver Frame) Environmental Characteristics 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)

  • Page 14: Pin Assignments

    This monitor is ENERGY STAR -compliant. * 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...

  • Page 15: Dvi Connector

    Self-test GND-R GND-G GND-B Computer 5V/3.3V GND-sync DDC data H-sync V-sync DDC clock DVI Connector 24-pin Side of the Connected Signal Cable Number TMDS RX2- TMDS RX2+ TMDS Ground Floating Floating DDC Clock DDC Data Floating...

  • Page 16: Displayport Connector

    TMDS RX1- TMDS RX1+ TMDS Ground Floating Floating +5V/+3.3V power Self test Hot Plug Detect TMDS RX0- TMDS RX0+ TMDS Ground Floating Floating TMDS Ground TMDS Clock+ TMDS Clock- DisplayPort Connector 20-pin Side of the Connected Signal Cable Number ML0(p) ML0(n) ML1(p) ML1(n)

  • Page 17: Plug And Play Capability

    ML2(p) ML2(n) ML3(p) ML3(n) AUX(p) AUX(n) 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.

  • Page 18: Usb Ports

    Pin Number 4-pin Side of the Connector USB Downstream Connector Pin Number 4-Pin Side of the Signal Cable USB Ports 1 upstream - back 4 downstream - 2 on back; 2 on left side NOTE: USB 2.0 functionality requires a USB 2.0-capable computer NOTE: The monitor's USB interface works only when the monitor is on or in power save mode.

  • Page 19: Maintenance Guidelines

    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.

  • Page 20: Setting Up The Monitor

    Back to Contents Page Setting Up the Monitor Dell™ U2312HM Flat Panel Monitor User's Guide Attaching the Stand Connecting the Monitor Organizing Your Cables Attaching the Soundbar (optional) Removing the Stand Wall Mounting (Optional) Attaching the Stand NOTE: The stand is detached when the monitor is shipped from the factory.

  • Page 21: Organizing Your Cables

    Connecting the blue VGA cable Connecting the black DisplayPort cable CAUTION: The Graphics are used for the purpose 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 procedure below to connect the USB cable to the computer and complete your monitor setup: 1.

  • Page 22: Removing The Stand

    Do not use with any device other than the Dell Soundbar. 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.

  • Page 23: Removing The Stand

    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) (Screw dimension: M4 x 10 mm). Refer to the instructions that come with the VESA-compatible base mounting kit. 1.

  • Page 24: Operating The Monitor

    Back to Contents Page Operating the Monitor Dell™ U2312HM Flat Panel Monitor User's Guide Using the Front Panel Controls Using the On-Screen Display (OSD) Menu PowerNap with Enhanced Menu Rotation Software Setting the Maximum Resolution Using the Dell Soundbar (Optional)

  • Page 25: Accessing The Menu System

    Accessing the Menu System 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. 1.
  • Page 26 Auto Adjust Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes the display settings for use with your particular setup. Auto Adjustment allows the monitor to self-adjust to the incoming video signal. After using Auto Adjustment, you can further tune your monitor by using the Pixel Clock (Coarse) and Phase (Fine) controls under Image Settings.
  • Page 27 Gamma Allows you to set the color mode to PC or MAC. Preset Modes You can choose Standard, Multimedia, Movie, Game, Text, Color Temperature, or Custom Color;...
  • Page 28 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 most movie applications. Game: Loads color settings ideal for most gaming applications. Text: Loads color settings ideal for text. Color Temperature: Increase the color temperature.
  • Page 29 Saturation This feature can adjust the color saturation of the video image. Use 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 for Movie and Game mode.
  • Page 30 Simplified Chinese or Japanese). Menu Transparency Select this option to change the menu transparency by pressing buttons (Minimum: 0 ~ Maximum: 100). Menu Timer OSD Hold Time: Sets the length of time the OSD will remain active after the last time you pressed a button. Use the to adjust the slider in 1 second increments, from 5 to 60 seconds.

  • Page 31: Osd Warning Messages

    OSD Warning Messages When Dynamic Contrast Feature is enabled (in these modes: Game and Movie), the manual brightness adjustment is disabled. When the monitor does not support a particular resolution mode you will see the following message: This means that the monitor cannot synchronize with the signal that it is receiving from the computer. See Monitor Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor.
  • Page 32 If you press any button other than the power button one of the following messages will appear depending on the selected input: VGA/DVI-D/DP input If either VGA or DVI-D or DP input is selected and both VGA and DVI-D cables are not connected, a floating dialog box as shown below appears. Solving Problems for more information.

  • Page 33: Setting The Maximum Resolution

    Using the Dell Soundbar (Optional) The Dell Soundbar is a stereo two channel system adaptable to mount on Dell Flat Panel Displays. The Soundbar has a rotary volume and on/off control to adjust the overall system level, a blue LED for power indication, and two audio headset jacks.

  • Page 34: Using The Tilt, Swivel, And Vertical Extension

    Attach mechanism Headphone jacks Power indicator Power/Volume control Using the Tilt, Swivel, and Vertical Extension 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.

  • Page 35: Rotating The Monitor

    NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, you require an updated graphics driver that is not included with this monitor. To download the graphics driver, go to support.dell.com and see the Download section for Video Drivers for latest driver updates.

  • Page 36: 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. NOTE: If you are using the monitor with a non-Dell computer, you need to go the graphics driver website or your computer manufacturer website for information on rotating the 'contents' on your display.

  • Page 37: Built-In Diagnostics

    Back to Contents Page Troubleshooting Dell™ U2312HM Flat Panel Monitor User's Guide Self-Test Built-in Diagnostics Common Problems Product Specific Problems Universal Serial Bus Specific Problems Dell Soundbar Problems WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions.

  • Page 38: Common Problems

    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 site at: support.dell.com. Stuck-on Pixels LCD screen has bright spots Cycle power on-off.

  • Page 39: Product Specific Problems

    Safety Related Issues Visible signs of smoke or Do not perform any troubleshooting steps. sparks Contact Dell immediately. Intermittent Problems Monitor malfunctions on & off Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
  • Page 40 No Sound Soundbar has power - power Plug the audio line-in cable into the computer's audio out jack. indicator is on 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 Soundbar clockwise to a higher volume setting.

  • Page 41: Fcc Notices (U.s. Only) And Other Regulatory Information

    NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area.

  • Page 42: Setting Up Your Monitor

    2. After installing the drivers for your Graphics Adapter, attempt to set the resolution to 1920 x 1080 again. NOTE: If you are unable to set the resolution to 1920 x 1080, please contact Dell™ to inquire about a Graphics Adapter that supports these resolutions.

  • Page 43: If You Have A Non Dell™ Desktop, Portable Computer, Or Graphics Card

    Back to Contents Page Setting Up Your Monitor Dell™ U2312HM Flat Panel Monitor If you have a non Dell™ desktop, portable computer, or graphics card In Windows XP: 1. Right-click on the desktop and click Properties. 2. Select the Settings tab.

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