Information in this document is subject to change without notice.Reproduction of these
materials in any manner whatsoever without the written permission of Dell Inc. is strictly
forbidden. Trademarks used in this text: Dell™, the DELL logo are trademarks of Dell Inc.;
Microsoft®, Windows®, and the Windows start button logo are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries; 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.
Pixel pitch 0.27 mm (H) x 0.27 mm (W)
Viewing angle
Horizontal
Vertical
Luminance
Panel
Monitor
Contrast ratio1000:1 (typical)
Dynamic contrast ratio8,000,000 : 1
Faceplate coatingAnti-glare with hard coating 3H
Bezel gloss3~5 gloss units
Touch glass gloss >30 gloss units
Backlight LED edgelight system
49.41 cm (19.5 inches)
432.00 mm (17.01 inches)
239.76 mm (9.44 inches)
103576.32 mm2 (160.54 inch2)
170 degrees (typical)
160 degrees (typical)
250 cd/m2 (typical)
225 cd/m2 (typical)
NOTE: The user should consider the placement of
the display as the reflection of surrounding light and
bright surfaces from the glass may cause
disturbances to users.
10 About Your Monitor
Response time 2 ms (with overdrive)
Color depth16.77 million colors
72% (CIE1976)
Color gamut (typical)
NOTE: Color gamut (typical) is based on CIE1976
(72%) and CIE1931 (72%) test standards.
Touch
Type Infrared Optical System
Panel diagonal 19.5”
Panel thickness6.5 ± 0.3 mm
Active area Extended beyond viewing area
Cover glass thickness3.0 +0.0/-0.3 mm
Input method Bare finger, thin gloves, conductive stylus
Touch point 5 touch-points
Output position resolution32767 x 32767
Touch methodFingers and thin gloves
Operating systemWindows 8 certified
NOTE: When the monitor is in Sleep mode, move the mouse, press any key on
the keyboard, or double-tap firmly on the screen to wake up the monitor.
Resolution
Horizontal scan range30 kHz to 83 kHz (automatic)
Vertical scan range56 Hz to 75 Hz (automatic)
Maximum resolution1600 x 900 at 60 Hz
Video display capabilities 480p, 576p, 720p, 1080p, and 1080i
Electrical
Video input signalsDisplayPort 1.2 / HDMI / MHL / VGA
•Separate horizontal and vertical
Synchronization input signals
AC input voltage100 VAC to 240 VAC
Frequency50 Hz or 60 Hz + 3 Hz
Current 1.5 A (Max.)
Inrush current
synchronizations.
•Polarity-free TTL level
•SOG (composite SYNC on green)
120 V:70 A (Max.)
240 V:150 A (Max.)
About Your Monitor 11
Environmental Characteristics
720 x 400
31.5
70.0
28.3
-/+
640 x 480
31.5
60.0
25.2
-/-
800 x 600
37. 9
60.0
40.0
+/+
800 x 600
46.9
75.0
49.5
+/+
1024 x 768
60.0
75.0
78.8
+/+
1152 x 864
67.5
75.0
108.0
+/+
1280 x 1024
80.0
75.0
135.0
+/+
1600 x 900
60.0
60.0
97. 8
+/-
Temperature
Operating0 °C to 40 °C (32 °F to 104 °F)
Non-operating-20 °C to 60 °C (-4 °F to 140 °F)
Humidity
Operating10% to 80% (non-condensing)
Non-operating5% to 90% (non-condensing)
Altitude
Operating5,000 m (16,400 ft) max
Non-operating12,191 m (40,000 ft) max
Thermal dissipation
136.49 BTU/hour (maximum)
54.59 BTU/hour (typical)
Preset Display Modes
Display Mode
640 x 480 37.5 75.0 31.5 -/-
1024 x 76848.460.065.0 -/-
1280 x 1024 64.060.0108.0+/+
Horizontal
Frequency (kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(Horizontal/
Physical Characteristics
Connector type
DisplayPort
HDMI
VGA
One DisplayPort 1.2 port
Maximum resolution: 1600 x 900
Two HDMI/MHL ports
Maximum resolution: 1600 x 900
One VGA port
Maximum resolution: 1600 x 900
Vertical)
12 About Your Monitor
USB
AudioOne audio-out port
Signal cable type
Dimensions (with stand)
Height376.0 mm (14.80 inches)
Width505.9 mm (19.92 inches)
Depth165.0 mm (6.50 inches)
Dimensions (without stand)
Height 311.2 mm (12.25 inches)
Width505.9 mm (19.92 inches)
Depth51.7 mm (2.04 inches)
Stand dimensions
Height289.8 mm (11.41 inches)
Width180.0 mm (7.09 inches)
Depth165.0 mm (6.50 inches)
Weight
Weight with packaging6.07 kg (13.35 lb)
Weight with stand assembly
and cables
Weight without stand
assembly
(For wall mount or VESA
mount considerations - no
cables)
Weight of stand assembly1.08 kg (2.38 lb)
One USB 2.0 upstream port
Two USB 2.0 downstream ports
• D-Sub
• HDMI
• MHL
• DisplayPort
• USB2.0
4.89 kg (10.76 lb)
3.43 kg (7.55 lb)
Power Management Modes
If you have VESA’s DPM™ compliance display card or software installed in your PC,
the monitor can automatically reduce its power consumption when not in use. This
is referred to as Power Save Mode. If the computer detects input from keyboard,
mouse, or other input devices, the monitor automatically resumes functioning. The
following table shows the power consumption and signaling of Power Save Mode:
About Your Monitor 13
VESA
Modes
Normal
operation
Active-o
Horizontal
Sync
Vertical
Sync
VideoPower IndicatorPower Consumption
ActiveActiveActive White16 W (typical)
40 W (maximum)
Inactive
Inactive Blank
Brething white
Less than 0.5 W
mode
Switch o
-
--
OLess than 0.5 W
NOTE: This monitor is ENERGY STAR®-compliant.
NOTE: Zero power consumption in OFF mode can only be achieved by
disconnecting the power cable from the monitor.
The OSD functions only in the normal operation mode. If you press any button is
pressed in Active-o mode, the following message is displayed:
14 About Your Monitor
Pin Assignments
VGA
Pin
Number
1Video-Red 9Computer 5 V/3.3 V
2Video-Green10GND-sync
3Video-Blue11GND
4GND12DDC data
5Self-test13H-sync
6GND-R14V-sync
7GND-G15DDC clock
8GND-B
15-pin Side of the
Connected Signal Cable
Pin
Number
15-pin Side of the
Connected Signal Cable
HDMI
Pin
Number
1TMDS Data 2+11TMDS Clock Shield
2TMDS Data 2 Shield12TMDS Clock3TMDS Data 2-13Floating
4TMDS Data 1+14Floating
5TMDS Data 1 Shield15DDC Clock (SDA)
6TMDS Data 1-16DDC Data (SDA)
7TMDS Data 0+17Ground
8TMDS Data 0 Shield18+5 V Power
This section gives you information about the USB ports available on your monitor.
Your computer has the following USB ports:
•1 upstream
•2 downstream
NOTE: The USB ports on this monitor are USB 2.0 compliant.
Transfer speed Data RatePower Consumption
Hi-Speed480 Mbps2.5 W each port (maximum)
Full speed 12 Mbps2.5 W each port (maximum)
USB Upstream port USB Downstream port
16 About Your Monitor
Pin
Number
1DMU
2VCC
3DPU
4GND
NOTE: USB 2.0 functionality requires a USB 2.0-capable computer.
NOTE: The monitor’s USB ports work only when the monitor is on or in the
power save mode. If you turn o the monitor and then turn it on, the attached
peripherals may take a few seconds to resume normal functionality.
Signal
name
Pin
Number
1VCC
2DMD
3DPD
4GND
Signal
name
Plug-and-Play
You can install the monitor in any Plug-and-Play-compatible computer. The
monitor automatically provides its Extended Display Identification Data (EDID) to the
computer 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 dierent settings if desired. For more information about changing the
monitor settings,see Operating the Monitor.
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. These are hard to see and
do not aect the display quality or usability. For more information on Dell Monitor
Quality and Pixel Policy, see dell.com/support/monitors.
Maintenance Guidelines
Cleaning Your Monitor
WARNING: Read and follow the safety instructions before cleaning the
monitor.
WARNING: Before cleaning the monitor, unplug the monitor power cable
from the electrical outlet.
For best practices, follow these instructions while unpacking, cleaning, or handling
your monitor:
• To clean your screen, use a soft, clean cloth lightly dampened with water. You
can also use special screen-cleaning tissue or solution suitable for the antistatic
coating. To avoid using detergent of any kind as some detergents leave a milky
film on the monitor, use a lightly-dampened, warm cloth to clean the monitor.
About Your Monitor 17
CAUTION: Do not use benzene, thinner, ammonia, abrasive cleaners, or
compressed air.
• Use a lightly-dampened, warm cloth to clean the monitor. Avoid using detergent
of any kind as some detergents leave a milky film on the monitor.
changing screen saver and turn o your monitor when not in use.
Setting Up the Monitor
Attaching the Stand
NOTE: The stand is detached from monitor when it is shipped from the
factory.
NOTE: If you purchased a dierent stand for your monitor, see the
documentation for that stand for setup instructions.
To attach the monitor stand:
1. Place the monitor on a flat surface.
2. Insert the two tabs on the upper part of the stand to the groove in the back
of the monitor.
3. Press-down on the stand till it snaps into its place.
18 Setting Up the Monitor
Connecting Your Monitor
WARNING: Follow the Safety Instructions before you perform any of the
procedures in this section,
To connect your monitor to the computer:
1. Turn o your computer anddisconnect the power cable from the wall outlet.
2. Connect the USB cable and only one of the following display cables to your
computer:
VGA cable,
DisplayPort cable, or
HDMI cable
NOTE: Do not connect multiple display cables to the same computer.
Connecting the VGA Cable
Connecting the DisplayPort Cable
Connecting the HDMI Cable
Setting Up the Monitor 19
Connecting the USB Cable
NOTE: The graphics are used for the purpose of illustration only. Appearance
of the computer may vary.
Organizing Cables
After you connect all necessary cables to your monitor and computer, use the
cable-management slot toorganize the cables.
Removing the Stand
NOTE: To avoid scratching on the LCD screen while removing the
stand,make sure that the monitor is placed on a clean surface.
NOTE: If you purchased a dierent stand for your monitor, see the
documentation for that stand for setup instructions.
20 Setting Up the Monitor
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)
NOTE: Use M4 x 10 mm screws to mount your display. For more details, see
the instructions that came with the VESA-compatible wall-mounting kit.
1. Place the monitor on a soft cloth or cushion on a stable flat table.
2. Remove the stand.
3. Use a screwdriver to remove the four screws that secure the back cover.
4. Attach the mounting bracket from the wall-mounting kit to the monitor.
5. Mount the monitor on the wall by following the instructions that came with the
wall mounting kit.
NOTE: For use only with UL-listed wall-mount bracket with
minimum weight/load bearing capacity of 3.43 kg.
Setting Up the Monitor 21
Operating the Monitor
Side-Panel Controls
Use the control buttons on the front of the monitor to adjust monitor and image
settings. Pressing these buttons displays the OSD with the details of the settings that
you can change.
The following table describes the front panel buttons:
Front-panel buttonDescription
1
Shortcut key:
Preset Modes
2
3
4
5
Shortcut key:
Brightness/Contrast
Menu
Exit
Power
(with power light
indicator)
Use this button to choose from a list of preset color
modes.
Use this button to directly access the Brightness/
Contrast menu.
Use this button to launch the On-Screen Display
(OSD) and select options in the OSD. See Accessing
the Menu System.
Use this button to go back to the main menu or exit
the OSD main menu.
Use this button to turn the monitor turn-on or turn-o
the monitor.
A solid white light on this button indicates the monitor
is On and fully functional.
A blinking/breathing white LED indicates DPMS power
save mode.
22 Operating the Monitor
Front-Panel Button
Use the buttons on the right side of the monitor to adjust the image settings.
ButtonDescription
1
2
3
Up
Down
OK
Back
Use the Up (increase) and Down (decrease) keys
to adjust items in the OSD menu.
Use the OK key to confirm your selection.
Use the Back key to go back to the previous
menu.
Operating the Monitor 23
Using the On-Screen Display (OSD) Menu
Accessing the Menu System
NOTE: Any changes you make using the OSD menu are automatically saved
if you move to another OSD menu, exit the OSD menu, or wait for the OSD
menu to disappear.
1. Press the button to launch the OSD menu and display the main menu.
NOTE: Auto Adjust feature is only available when you use the VGA
connector.
2. Press the and buttons to move between the OSD menu 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. Press the or button once to activate the highlighted option.
4. Press the and buttons to select the desired parameter.
5. Press to enter the slide bar and then use the or button, according
to the indicators on the menu, to make your changes.
6. Press the button once to return to the main menu to select another option
or press the button two or three times to exit from the OSD menu.
24 Operating the Monitor
OSD Options
Menu and SubmenusDescription
Energy Use
Brightness/Contrast
Brightness
This meter shows, in real time, the energy level being
consumed by the monitor.
Use this menu to activate Brightness/Contrast adjustment.
Brightness adjusts the luminance of the backlight
(minimum 0; maximum 100).
Press the button to increase brightness.
Press the button to decrease brightness.
NOTE: Brightness control is disabled during “Screen dim”
in PowerNap option when screen saver is activated.
Contrast
Press the button to increase contrast and Press the
button to decrease contrast (between 0 and 100).
Adjust Brightness first, and then adjust Contrast only if
further adjustment is necessary.
Contrast adjusts the difference between darkness and
lightness on the monitor.
Operating the Monitor 25
Menu and SubmenusDescription
The Auto Adjust feature optimizes the display settings
for use with your setup. Auto Adjust feature allows the
monitor to automatically adjust to the incoming video
signal. After using Auto Adjust feature, you can further
tune your monitor by using the Pixel Clock and Phase
controls under Displays Settings.
Auto Adjust
The following dialog appears on a black screen as the
monitor automatically adjusts to the current input:
NOTE: In most cases, Auto Adjust produces the best
image for your configuration.
NOTE: Auto Adjust feature option is only available when
your monitor is connected using the VGA cable.
Use the Input Source menu to select between different
video inputs that are be connected to your monitor.
Input Source
26 Operating the Monitor
Menu and SubmenusDescription
VGA
DisplayPort
HDMI(MHL)1
HDMI(MHL)2
Color Settings
Input Color Format
Select VGA and press when your computer and
monitor are connecting using the VGA cable.
Select DisplayPort and press when your computer and
monitor are connecting using the DisplayPort cable.
Select HDMI(MHL)1 and press when your computer
and monitor are connecting using the HDMI(MHL)1 cable.
Select HDMI(MHL)2 and press when your computer
and monitor are connecting using the HDMI(MHL)2 cable.
Use the Color Settings menu to adjust the monitor’s color
settings
Allows you to set the video input mode to.
RGB: Select this option if your monitor is connected to a
computer or DVD player using the VGA and HDMI cable.
YPbPr: Select this option if your DVD player supports only
YPbPr output.
Preset Mode
Operating the Monitor 27
Menu and SubmenusDescription
Standard: Default color settings. This is the default preset
Preset Mode
Image Enhance
Hue
mode.
Multimedia: Ideal for multimedia applications.
Movie: Ideal for movies.
Game: Ideal for most gaming applications.
Text: Ideal for office
Warm: Increases the color temperature. The screen
appears warmer with a red/yellow tint.
Cool: Decreases the color temperature. The screen
appears cooler with a blue tint.
Custom Color: Allows you to manually adjust the color
settings. Press the and buttons to adjust the Red,
Green, and Blue values and create your own preset color
mode.
Automatically sharpen images, enhance hues, and boost
color contrast to enhance image clarity.
NOTE: Image Enhance is only available for Standard,
Multimedia, Movie, and Game modes.
Shift color of video image to green or purple.
Use this setting to achieve the desired flesh tone.
Use or to adjust the hue from 0 to 100.
Press to increase the green shade.
Press to increase the purple shade.
NOTE: Hue adjustment is available only for Movie and
Game mode.
28 Operating the Monitor
Menu and SubmenusDescription
This feature adjusts the color saturation of the video
image. Use or to adjust the saturation from 0 to
100.
Saturation
Reset Color Settings
Display Settings
Aspect RatioAdjust the image ratio to Wide 16:9, 4:3, or 5:4.
Horizontal Position
Vertical Position
Sharpness
Pixel Clock
Phase
Press to increase the monochrome appearance.
Press to increase the colorful appearance.
NOTE: Saturation adjustment is available only for video
input.
Resets your monitor’s color settings to the factory
defaults.
Adjusts the horizontal position of the image.
Use the and buttons to change the image position.
Adjusts the vertical position of the image.
Use the and buttons to change the image position.
Makes the image look sharper or softer.
Use or to adjust the sharpness.
The Phase and Pixel Clock adjustments allow you to adjust
your monitor to your preference.
Use the and buttons to adjust for best
imagequality.
If satisfactory results are not obtained using the Phase
adjustment, use the Pixel Clock (coarse) adjustment and
then use Phase (fine), again.
NOTE: Pixel Clock and Phase Adjustments are only
available when your monitor is connected using the VGA
cable.
Operating the Monitor 29
Menu and SubmenusDescription
Dynamic Contrast adjusts the contrast ratio to
Dynamic Contrast
Reset Display
Settings
Energy Settings
Energy Smart
8,000,000 : 1.
Push the button to select the Dynamic Contrast “On”
or “O”.
Restores the display settings to factory defaults.
Turn-on or turn-off dynamic dimming.
Energy Smart turned “on” will activate the dynamic
dimming. With Energy Smart turned on, the monitor will
consume overall less power compared to when Energy
Smart is turned “off”.
NOTE: Under Energy Smart mode, the energy usage bar
will decrease when transitioning from bright scenes to
darker scenes. The energy usage bar will increase when
transitioning from dark scenes to bright scenes.
System
Monitor statusOnStandbyOff
Monitor with
upstream
USB
Power Button LED
Reset Energy Settings Restores the energy settings to factory defaults.
connected
Monitor without
upstream
connected
Allows you to set the state of the power light to save
energy.
On
(Disabled)
On
On
(Disabled)
Off/On*
(depends
on OSD
selections)
Off
(Disabled)
Off
30 Operating the Monitor
Menu and SubmenusDescription
Menu Settings
Set the OSD display to one of eight languages.
Language
Transparency
Timer
Lock
Reset Menu SettingsRestore the menu settings to factory defaults.
This function is used to change the OSD background from
opaque to transparent.
OSD Hold Time: Sets the length of time the OSD remains
active after you press a button.
Use the and buttons to adjust the slider in
1-second increments, from 5 to 60 seconds.
Controls user access to adjustments. When Lock is
selected, no user adjustments are allowed. All buttons are
locked.
NOTE: Lock function – Either soft lock (through OSD
menu) or hard lock (Press and hold the button above
power button for 10 sec)
Unlock function – Only hard unlock (Press and hold the
button above power button for 10 sec)
Operating the Monitor 31
Menu and SubmenusDescription
Other Settings
Select this option to adjust the OSD settings, suchas the
DDC/CI, LCD Conditioning, and so on.
DDC/CI
DDC/CI (Display Data Channel/Command Interface)
allows you to adjust the monitor settings using software
on your computer. Enable this feature for best user
experience and optimum performance of your monitor.
Select Disable to turn off this feature.
LCD Conditioning
Helps reduce minor cases of image retention.
Depending on the degree of image retention, the program
may take some time to run. Select Enable to start the
process.
32 Operating the Monitor
Menu and SubmenusDescription
Reset Other Settings
Factory ResetRestores all OSD settings to the factory defaults.
Personalize
Reset PersonalizationRestores shortcut keys to factory defaults.
Restores other settings, such as such as DDC/CI, to
factorydefaults.
Select from Preset Modes, Brightness/Contrast, Auto
Adjust, Input Source, Aspect Ratio and set as shortcut key.
Operating the Monitor 33
OSD Warning Messages
When the monitor does not support a display resolution, the following message
appears:
This means that the monitor cannot synchronize with the signal that it is receiving
from the computer. See Specifications for the frequency ranges addressable by this
monitor. Recommended mode is 1600x900.
The following message before the DDC/CI function is disabled.
The following message is displayed when monitor enters Power Save mode.
Activate the computer and wake up the monitor to gain access to the OSD
If you press any button other than the power button, the following message appears:
34 Operating the Monitor
If you set the input to a particular mode but the cable for that mode (VGA, DP, or
HDMI) is disconnected, one of the following messages appears, depending on the
selected input.
or
or
For help on resolving errors, see Troubleshooting.
Setting the Maximum Resolution
In Windows Vista®, Windows® 7 or Windows® 8 / Windows® 8.1 :
1. For Windows® 8 / Windows® 8.1 only, select the Desktop tile to switch to classic
desktop.
2. Right-click on the desktop and click Screen resolution.
3. Click the dropdown list of the Screen resolution and select 1600 x 900.
4. Click OK.
If you do not see 1600 x 900 as an option, you may need to update your graphics
driver. See Appendix.
Operating the Monitor 35
Tilt
With the stand, you can tilt the monitor for the most comfortable viewing angle.
NOTE: The stand is detached when the monitor is shipped from the factory.
Troubleshooting
CAUTION: Follow the Safety Instructions before you perform any of the
procedures in this section,
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 o both your computer and the monitor.
2. Unplug all video cables from the back of computer.
3. Turn on the monitor.
The floating dialog box appears on the 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 blue. depending upon the selected
input, one of the following messages continuously scroll through the screen.
36 Troubleshooting
or
or
NOTE: This message also appears during normal operation if the display cable
gets disconnected or damaged.
4. Turn o 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 self test, check your video
controller and computer, it shows monitor has a problem.
Troubleshooting 37
Built-in Diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the problems
with your monitor, or with your computer and video card.
NOTE: You can run the built-in diagnostics only when no display cables are
connected and the monitor is in self-test mode.
To run the built-in diagnostics:
1. Make sure that the screen is clean
2. Unplug the video cable(s) from the computer or monitor.
The monitor enters the self-test mode.
3. Press and hold button 1 and Button 4 simultaneously for 2 seconds.
A gray screen appears.
4. Carefully inspect the screen for abnormalities.
5. Press button 4 again. The color of the screen changes to red.
6. Inspect the display for any abnormalities.
7. Repeat step 5 and step 6 to inspect the display in green, blue, black, white,
and text screens.
The test is complete when the text-screen appears. To exit, press button 4 again.
If you do not see any screen abnormalities while running the built-in diagnostic,
the monitor is functioning properly. Check the computer and video card for
problems.
38 Troubleshooting
Common Problems
The following table contains information about resolving common monitor
problems.
Common
Symptoms
No Video
(Power light off)
No Video
(Power light on)
Poor Focus
Shaky/Jittery
Video
Missing Pixels
Stuck-on Pixels
What You
Experience
No picture
No picture or
no brightness
Picture is
fuzzy, blurry, or
ghosting
Wavy picture or
fine movement
LCD screen has
spots
Possible Solutions
•Make sure the display cable connecting
the monitor and the computer is properly
connected and secure.
•Make sure the power outlet is functioning
properly using any other electrical equipment.
•Make sure the power button is not pressed-in.
•Make sure the correct input source is selected
using the Input Source Select button.
•Check the Power Button LED option under
Energy Settings in OSD Menu.
•Increase brightness and contrast usingOSD.
•Perform monitor self-test.
•Check for bent or broken pins on the
displaycable and the ports.
•Run the built-in diagnostics.
•Make sure the correct input source is selected
using the Input Source Select button.
•Perform Auto Adjust using OSD.
•Adjust the Phase and Pixel Clock using OSD.
•Eliminate video extension cables.
•Reset the monitor to factory settings.
•Change the video resolution to the correct
aspect ratio (16:9).
•Perform Auto Adjust using OSD.
•Adjust the Phase and Pixel Clock using OSD.
•Reset the monitor to factory settings.
•Check environmental factors.
•Relocate the monitor and test in another
room.
•Turn o the monitor, disconnect and
reconnect the power cable, and turn on the
monitor.
•Pixel that is permanently o 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 dell.
com/support/monitors.
Troubleshooting 39
Common
Symptoms
Brightness
Problems
Geometric
Distortion
Horizontal/
Vertical Lines
Synchronization
Problems
Intermittent
Problems
Missing Color
What You
Experience
Picture too dim
or too bright
Screen not
centered
correctly
Screen has one
or more lines
Screen is
scrambled or
appears torn
Monitor
malfunctions
on and off
Picture missing
color
Possible Solutions
•Reset the monitor to factory settings.
•Auto Adjust using OSD.
•Adjust brightness and contrast using
theOSDD.
•Reset the monitor to factory settings.
•Auto Adjust using OSD.
•Adjust horizontal and vertical positions using
OSD.
•Reset the monitor to factory settings.
•Perform Auto Adjust using OSD.
•Adjust Phase and Pixel Clock using OSD.
•Perform monitor self-test and determine if the
lines appear in the self-test mode.
•Check for bent or broken pins on the
displaycable and the ports.
•Run the built-in diagnostics.
•Reset the monitor to factory settings.
•Perform Auto Adjust using OSD.
•Adjust Phase and Pixel Clock using OSD.
•Perform monitor self-test check to determine
if the problem appears in self-test mode.
•Check for bent or broken pins on the
displaycable and the ports.
•Restart the computer in safe mode.
•Make sure the displaycable connecting
the monitor to the computer is connected
properly and is secure.
•Reset the monitor to factory settings.
•Perform monitor self-test to determine if the
intermittent problem occurs in self-test mode.
•Perform monitor self-test.
•Make sure the displaycable connecting
the monitor to the computer is connected
properly and is secure.
•Check for bent or broken pins on the
displaycable and the ports.
40 Troubleshooting
Common
Symptoms
Wrong Color
Image retention
from a static
image left on
the monitorfor
a long period of
time
Safety Related
Issues
What You
Experience
Picture color
not good
Faint shadow
from the static
image displayed
appears on the
screen
Visible signs
of smoke or
sparks
Possible Solutions
•Change the Color Setting Mode in the Color
Settings OSD to Graphics or Video depending
on the application.
•Try dierent Color Preset Settings in Color
Settings OSD. Adjust R/G/B value in Color
Settings OSD if the Color Management is
turned o.
•Change the Input Color Format to PC RGB or
YPbPr in the Advance Setting OSD.
•Run the built-in diagnostics.
•Use the Power Management feature to turn o
the monitor at all times when not in use (for
more information, see Power Management
Modes).
•Use a dynamically changing screen saver.
Do not perform any troubleshooting steps.
Contact Dell immediately.
Troubleshooting 41
Touchscreen Problems
Specific
Symptoms
Touch report
error
What You
Experience
Touch function
miss alignment
or no touch
function
Possible Solutions
•Use the Dell provided USB cable to connect
your computer.
•Make sure the power cable has a ground pin.
•Unplug and replug the power cable from the
power adapter to allow auto-recalibration of
the touch module.
•Make sure computer support USB 2.0 or later.
•If the display cannot be detected by the
computer, power o/on the monitor or
unplug and replug the USB cable.
•Please do not cover the surface or
surroundings of the screen with your hands
or any other objects every time the monitor
is turned on;and please wait until the USB
driver installation at the bottom-right corner
of the screen is completed after the monitor
is turned on before performing any touch
screen operations.
•Please avoid covering the beam with other
objects (such as sleeves) besides performing
touch screen operations with your finger
during operation, as doing so may aect the
transmitting and receiving by the sensor lens.
•Wipe softly to clean the dust on the six sensor
lens with soft and clean cloth when touch
function miss alignment or no touch function.
Touch screen
non-responsive
in power-save
mode
Windows 7 and
Windows 8 /
Windows 8.1
Calibration
NOTE: When the monitor is in Sleep mode, move the mouse, press any key on
the keyboard, or double-tap firmly on the screen to wake up the monitor.
Cannot wake
up monitor
and computer
by using touch
in power-save
mode
Cursor does
not accurately
follow your
finger when
you touch the
screen
1. Access Device Manager, expand HID
Interface Device under Human Device.
2. Right click HID- compliant device, click
Properties and select the check-box to allow
the device to wake the computer.
1. Open Control Panel, openHardware and
Sound, and then open Tablet PC Settings.
2. Select Calibration.
3. Follow the instructions to recalibrate your
screen
42 Troubleshooting
Product Specific Problems
Specific
Symptoms
Screen image is
too small
Cannot adjust
the monitor
settings using
the buttons on
the front panel
No input signal
when controls
are pressed
The picture
does not fill the
entire screen.
What You
Experience
Image is
centered on
screen, but does
not fill entire
viewing area
OSD does not
appear on the
screen
No picture, the
light is white.
The picture
cannot fill the
height or width
of the screen
Possible Solutions
•Check the aspect ratio in Image SettingOSD
menu
•Reset the monitor to factory settings.
Turn off the monitor, disconnect and reconnect
the power cable, and turn on the monitor.
•Check the signal source.
•Make sure the computer is not in power
saving mode, by moving the mouse or
pressing a key on the keyboard.
•Make sure your computer or other
video-output device is powered on and
playing video media.
•Make sure the displaycable connecting
the monitor to the computer is connected
properly and is secure.
•Unplug and replug the displaycable.
•Restart the computer or video player.
•Due to dierent video formats and aspect
ratios of DVDs, the monitor may not display
the video in full screen.
•Run the built-in diagnostics.
Troubleshooting 43
Universal Serial Bus (USB) Specific Problems
Specific
Symptoms
USB interface
is not working
High Speed
USB 2.0
interface is
slow.
What You
Experience
USB
peripherals are
not working
High Speed
USB 2.0
peripherals
working slowly
or not working
at all
Possible Solutions
• Make sure your monitor is turned on.
•Disconnect and reconnect the upstream cable
to your computer.
•Disconnect and reconnect the USB peripherals
(downstream connector).
•Turn o and turn on the monitor.
•Reboot the computer.
•Some USB devices require higher electric
current; connect the device directly to the
computer system.
•Check that your computer is USB
2.0-compliant.
•Some computers have USB 2.0 ports. Ensure
that the correct USB port is used.
•Disconnect and reconnect the upstream cable
to your computer.
•Reconnect the USB peripherals (downstream
connector).
•Restart the computer.
44 Troubleshooting
Appendix
Safety Instructions
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 dell.com/regulatory_compliance.
Contacting Dell
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. To contact Dell for sales, technical support, or
customer service issues.
1. Go to dell.com/support.
2. Verify your country or region on the top-left of the page.
3. Click Contact Us.
4. Click the appropriate service or support link based on your need.
Appendix 45
Setting Display Resolution to 1600x900 (maximum)
For maximum display performance while using the Microsoft Windows operating
systems, set the display resolution to 1600x900 pixels by performing the following
steps:
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 1600x900.
4. Click OK.
Windows Vista, Windows 7, or Windows 8 / Windows 8.1
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 1600x900.
4. Click OK.
Downloading Latest Video Drivers
Dell computer
1. Go to dell.com/support, enter the Service Tag of your computer, and download
the latest driver for your video card.
2. After installing the drivers, try setting the resolution to 1600x900 again.
If you are unable to set the resolution to 1600x900 even after updating the video
drivers, contact Dell technical support.
Non-Dell computer or video card
Windows XP
1. Right-click on the desktop and click Properties.
2. Select the Settings tab.
3. Select Advanced.
4. Identify your video card manufacturer (such as NVIDIA, ATI, Intel, and so on)
from the description at the top of the window.
5. See the computer or video-card manufacturer’s website for updated drivers.
Windows Vista, Windows 7, or Windows 8 / Windows 8.1
1. Right-click on the desktop and click Personalization.
2. Click Change Display Settings.
3. Click Advanced Settings.
46 Appendix
4. Identify your video card manufacturer (such as NVIDIA, ATI, Intel, and so on)
from the description at the top of the window.
5. See the computer or video-card manufacturer’s website for updated drivers.
After installing the updated drivers for your video card, try setting the resolution to
1600x900 again. If you are unable to set the resolution to 1600x900, contact
the manufacturer of your computer or consider purchasing a graphics adapter
that supports the resolution of 1600x900.
Setting up Dual Monitors
Connect the external monitor(s) to your computer and follow any of the below setup
method.
Using keyboard shortcut
1. Press the Windows key+<P> on your keyboard.
2. While holding down the Windows logo key, press <P> to toggle between the
display selections.
Windows Vista and Windows 7
Windows 8 / Windows 8.1
Appendix 47
Using display settings
Windows Vista
1. Right-click on the desktop and click Personalize.
2. Click Display Settings.
3. Click Identify Monitors and select the appropriate options.
NOTE: If your computer does not detect the second monitor, restart your
computer and repeat step 1 to step 3.
48 Appendix
Windows 7
1. Right-click on the desktop and click Screen resolution.
2. Click Multiple displays to choose a display selection. If you do not see the
additional monitor listed, click Detect.
NOTE: If your computer does not detect the second monitor, restart your
computer and repeat step 1 to step 3.
Appendix 49
Windows 8 / Windows 8.1
1. From the Start screen, select Desktop tile to switch to the classic Windows
desktop.
2. Right-click on the desktop and click Screen resolution.
50 Appendix
3. Click Multiple displays to choose a display selection. If you do not see the
additional monitor listed, click Detect.
NOTE: If your computer does not detect the second monitor, restart your
computer and repeat step 1 to step 3.
Appendix 51
Display Styles For Multiple Monitors
After connecting external monitors, you can choose to duplicate, extend, or use only
one of the monitors.
Duplicate displays
This option shows the same content on all monitors. The resolution of all monitors is
set to match the monitor with the minimum resolution.
Windows Vista
[DUPLICATE NOT AVAILABLE]
Windows 7
Windows 8 / Windows 8.1
52 Appendix
Extend displays
This option shows separate content on the selected monitors. The resolution of
each monitor can be set independently. You can set the relative position of the
displays. you can match the location of the screen relative to the physical placement
of the monitors, such as left, right, top, bottom, and so on. To set the position, drag
the monitor icons to the desired position.
Windows Vista
Windows 7
Appendix 53
Windows 8 / Windows 8.1
Show desktop only on…
This option allows you to select the monitor to display content. You can choose to
use any one of the monitors connected to your computer—or in case of laptop, the
built-in display or the external display. This option is generally used when a laptop
with a lower-resolution display is connected to a higher-resolution external display
and you want to see the content only on the external monitor.
Windows Vista
54 Appendix
Windows 7
Appendix 55
Windows 8 / Windows 8.1
56 Appendix
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