Page 2 - DellTM U2312HM Flat Panel Monitor User's Guide; About Your Monitor; Information in this document is subject to change without notice.
Dell™ U2312HM Flat Panel Monitor User's Guide About Your Monitor Setting Up the Monitor Operating the Monitor Troubleshooting Appendix Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potent...
Page 3 - Setting Up Your Monitor; DellTM U2312HM Flat Panel Monitor; Setting the display resolution to 1920 x 1080 (maximum); Back to Contents Page
Back to Contents Page Setting Up Your Monitor Dell™ U2312HM Flat Panel Monitor Setting the display resolution to 1920 x 1080 (maximum) For maximum display performance with Microsoft ® Windows ® operating systems, set the display resolution to 1920 x 1080 pixels by performing the following steps: In ...
Page 4 - Package Contents
Back to Contents Page About Your Monitor Dell™ U2312HM Flat Panel Monitor User's Guide Package ContentsProduct FeaturesIdentifying Parts and ControlsMonitor SpecificationsPlug and Play CapabilityUniversal Serial Bus (USB) InterfaceLCD Monitor Quality and Pixel PolicyMaintenance Guidelines Package Co...
Page 7 - Front View; Back View
Front View Front View Front panel controls Label Description 1 Preset Modes (default, but configurable) 2 Brightness & Contrast (default, but configurable) 3 Menu 4 Exit 5 Power (with power light indicator) Back View
Page 8 - Side View
Back view Back view with monitor stand Label Description Use 1 VESA mounting holes (100 mm x 100 mm - behind attached VESA Plate) Wall mount monitor using VESA -compatible wall mount kit (100 mm x 100 mm) . 2 Regulatory label Lists the regulatory approvals. 3 Stand release button Release stand from ...
Page 9 - Bottom View
Left view Right view Bottom View Bottom view Bottom view with monitor stand Label Description Use 1 AC power cord connector Connect the power cable 2 DC power connector for Dell Soundbar. Connect the power cord for the soundbar (optional)
Page 10 - Monitor Specifications; Flat Panel Specifications
3 DisplayPort connector Connect your computer DP cable 4 DVI connector Connect your computer DVI cable 5 VGA connector Connect your computer VGA cable 6 USB upstream port Connect the USB cable that came with your monitor to the monitor and the computer. Once this cable is connected, you can use the ...
Page 11 - Display Mode; Electrical 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 Displa...
Page 12 - Physical Characteristics; Connector type
AC input voltage/frequency/current 100 to 240 VAC / 50 or 60 Hz + 3 Hz / 1.5 A (Typical) Inrush current 120 V : 30 A (Max) 240 V : 60 A (Max) Physical Characteristics Connector type 15 -pin D -subminiature, blue connector; DVI-D, white connector; DP, black connector. Signal cable type Digital: Detac...
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 Non-operating Storage: -20 °C to 60 °C (...
Page 14 - ENERGY STAR; Pin Assignments; VGA Connector; Pin
Activate the computer and the monitor to gain access to the OSD. NOTE: 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....
Page 15 - DVI Connector
5 Self-test 6 GND-R 7 GND-G 8 GND-B 9 Computer 5V/3.3V 10 GND-sync 11 GND 12 DDC data 13 H -sync 14 V -sync 15 DDC clock DVI Connector Pin Number 24 -pin Side of th e Co nnected Signal Cable 1 TMDS RX2 - 2 TMDS RX2+ 3 TMDS Ground 4 Floating 5 Floating 6 DDC Clock 7 DDC Data 8 Floating
Page 16 - DisplayPort Connector
9 TMDS RX1 - 10 TMDS RX1+ 11 TMDS Ground 12 Floating 13 Floating 14 +5V/+3.3V power 15 Self test 16 Hot Plug Detect 17 TMDS RX0 - 18 TMDS RX0+ 19 TMDS Ground 20 Floating 21 Floating 22 TMDS Ground 23 TMDS Clock+ 24 TMDS Clock- DisplayPort Connector Pin Number 20 -pin Side of the Connected Signal Cab...
Page 17 - Plug and Play Capability; Transfer speed; USB Upstream Connector
7 ML2(p) 8 GND 9 ML2(n) 10 ML3(p) 11 GND 12 ML3(n) 13 GND 14 GND 15 AUX(p) 16 GND 17 AUX(n) 18 HPD 19 DP_PWR Return 20 +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 Di...
Page 18 - Pin Number 4-pin Side of the Connector; USB Downstream Connector; Pin Number; USB Ports
Pin Number 4-pin Side of the Connector 1 DMU 2 VCC 3 DPU 4 GND USB Downstream Connector Pin Number 4-Pin Side of the Signal Cable 1 VCC 2 DMD 3 DPD 4 GND 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 mon...
Page 19 - Cleaning Your Monitor; Read and follow the
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,...
Page 20 - Setting Up the Monitor; Attaching the Stand; Connecting the white DVI cable
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 ...
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 ...
Page 22 - Removing the Stand
After attaching all necessary cables to your monitor and computer, (See Connecting Your Monitor for cable attachment,) use the cable management slot to organize all cables as shown above. Attaching the Soundbar (Optional) CAUTION: Do not use with any device other than the Dell Soundbar. NOTE: The So...
Page 24 - Using the Front Panel
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) Using the Tilt, Swivel, and...
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. Push the button to launch the ...
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 sig...
Page 32 - PowerNap with Enhanced Menu Rotation Software
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. or or See S...
Page 33 - Setting the Maximum Resolution
NOTE: After installation, one desktop shortcut and one shortcut under "Start" for PowerNap are created. OS support: Windows XP32, XP64, Vista32, Vista64, Win 7. Output interface support: VGA and DVI. The latest version of the PowerNap Software can be downloaded from Dell’s website. This will...
Page 34 - Using the Tilt, Swivel, and Vertical Extension; Vertical Extension
1. Attach mechanism 2. Headphone jacks 3. Power indicator 4. 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. Tilt, Swivel...
Page 35 - Rotating the Monitor
Rotating the Monitor Before you rotate the monitor, your monitor should be fully vertically extended ( Vertical Extension ) and fully tilted ( Tilt ) up to avoid hitting the bottom edge of the monitor. NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell compute...
Page 36 - Adjusting the Rotation Display Settings of Your System
NOTE: When in Portrait View Mode , you may experience performance degradation in graphic-intensive applications (3D Gaming 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 Setting...
Page 37 - Troubleshooting
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 Safe...
Page 38 - Common Problems
To run the built-in diagnostics: 1. Ensure that the screen is clean (no dust particles on the surface of the screen). 2. Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the self-test mode. 3. Press and hold the Button 1 and Button 4 on the front panel s...
Page 39 - Product Specific Problems; Universal Serial Bus (USB) Specific Problems
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 torn Reset the monitor to Factory Settings. Perform Auto Adjust via...
Page 41 - Appendix; WARNING: Safety Instructions; Contacting Dell
Back to Contents Page Appendix Dell™ U2312HM Flat Panel Monitor User's Guide Safety Instructions FCC Notice (U.S. Only) and Other Regulatory Information Contacting Dell WARNING: Safety Instructions WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation ...
Page 42 - If you have a DellTM desktop or a DellTM portable computer with; Adapter that supports these resolutions.
Back to Contents Page Setting Up Your Monitor Dell™ U2312HM Flat Panel 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 driver...
Page 43 - If you have a non DellTM desktop, portable computer, or
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. 3. Select Advanced . 4. Identify your graphics controlle...