Dell™ ST2220L/ST2220M monitor User's Guide
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2010 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; 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.
ST2220Lb/ST2220Mb/ST2220Lc/ST2220Mc
June 2010 Rev. A00
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Safety Information
Drivers and Documentation media
Quick Setup Guide
Product Features
The ST2220L/ST2220M flat panel display has an active matrix, Thin-Film Transistor (TFT), and Liquid Crystal Display (LCD). The monitor features include:
■ ST2220L/ST2220M: 54.61cm (21.5") viewable area display.
■ 1920 x 1080 resolution, plus full-screen support for lower resolutions.
■ Tilt adjustment capability.
■ Plug and play capability if supported by your system.
■ On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
■ Software and documentation CD which includes an information file (INF), Image Color Matching File (ICM), and product documentation.
■ Energy Saver feature for Energy Star compliance.
■ Security lock slot.
Identifying Parts and Features
Front View
Front View
Front Panel Controls
Label Description
1-2
Shortcut keys
*The default settings are Preset Modes and Brightness/Contrast.
1
2
Shortcut key: Preset Modes (Default)
Shortcut key: Brightness/Contrast (Default)
3
4
5
OSD menu select
EXIT
Power On/Off (light indicator below Dell logo)
Back View
Back View
Label
Description/Use
To contact Dell for technical support.
1
2
3
Barcode serial number label
Security lock slot
To help secure your monitor.
Dell Soundbar mounting brackets
To attach the optional Dell Soundbar.
4
5
Regulatory rating label
Stand release button
Lists the regulatory approvals.
To release stand assembly from monitor.
Side View
Left Side
Bottom View
Bottom view
Label
Description
AC power cord connector
1
2
3
Label
Description
DVI connector
HDMI connector
VGA connector
AC power cord connector
1
2
3
DVI connector
VGA connector
4
5
6
Audio Line-in
Audio Line out
Monitor Specifications
Power Management Modes
If you have VESA's DPMS™ 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 input from a keyboard, mouse or other input devices is detected by the computer, the monitor will automatically
"wake up". The following table shows the power consumption and signaling of this automatic power-saving feature:
ST2220L/ST2220M
VESA Modes
Horizontal
Sync
Vertical Sync
Video
Power
Indicator
Power Consumption
Normal operation
Active
Active
Active
White
28 W (maximum)
20 W (typical)
Less than 1 W
Less than 0.5 W
Active-off mode
Switch off
Inactive
-
Inactive
-
Blanked
-
Amber
Off
®
NOTE: This monitor is ENERGY STAR -compliant.
NOTE: Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the
monitor.
Pin Assignments
VGA Connector
Pin
Number
15-pin Side of the
Connected Signal Cable
1
Video-Red
Video-Green
Video-Blue
GND
2
3
4
5
Self-test
GND-R
6
7
GND-G
8
GND-B
9
Computer 5V/3.3V
GND-sync
GND
10
11
12
13
14
15
DDC data
H-sync
V-sync
DDC clock
DVI Connector
Pin
Number
24-pin Side of the Connected Signal
Cable
1
2
3
4
5
TMDS RX2-
TMDS RX2+
TMDS Ground
Floating
Floating
6
DDC Clock
DDC Data
7
8
Floating
9
TMDS RX1-
TMDS RX1+
TMDS Ground
Floating
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Floating
+5V power
Self test
Hot Plug Detect
TMDS RX0-
TMDS RX0+
TMDS Ground
Floating
Floating
TMDS Ground
TMDS Clock+
TMDS Clock-
HDMI Connector (for selective models)
Pin Number
19-pin Side of the Connected Signal Cable
1
TMDS DATA 2+
2
TMDS DATA 2 SHIELD
TMDS DATA 2-
3
4
TMDS DATA 1+
5
TMDS DATA 1 SHIELD
TMDS DATA 1-
6
7
TMDS DATA 0+
8
TMDS DATA 0 SHIELD
TMDS DATA 0-
9
10
11
12
13
14
15
16
17
18
19
TMDS CLOCK
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved (N.C. on device)
DDC CLOCK (SCL)
DDC DATA (SDA)
DDC/CEC Ground
+5V POWER
HOT PLUG DETECT
Flat Panel Specifications
Model
ST2220L/ST2220M
Screen type
Panel type
Active matrix - TFT LCD
TN
Screen dimensions
54.61cm (21.5 inches) (21.5-inch viewable image size)
Preset display area: Horizontal
Vertical
476.64 mm (18.76 inches)
268.11 mm (10.56 inches)
Pixel pitch
0.248 mm
Viewing angle
Luminance output
Dynamic Contrast Ratio
Faceplate coating
Backlight
160° (vertical) typical, 170° (horizontal) typical
250 CD/m ²(typical)
8,000,000 to 1*
Antiglare with hard-coating 3H
LED light bar system
5 ms typical
Response Time
Color Depth
16.7 mil colors
Color Gamut
78 %**
* Based on estimation
** ST2220L/ST2220M Color Gamut (Typical) is based on CIE1976 (78 %) and CIE1931 (68 %).
Resolution
Model
ST2220L/ST2220M
Horizontal scan range
Vertical scan range
Maximum preset resolution
30 kHz to 83 kHz (automatic)
56 Hz to 76 Hz (automatic)
1920 x 1080 at 60 Hz
Video Supported Modes
Model
ST2220L/ST2220M
Video display capabilities (HDMI playback)
480i/480p/576i/576p/720p/1080i/1080p
Preset Display Modes
ST2220L/ST2220M
Display Mode
Horizontal Frequency
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity (Horizontal/Vertical)
(kHz)
VGA, 720 x 400
31.469
31.469
37.500
37.879
46.875
48.363
60.023
67.500
64.000
79.976
67.500
70.087
59.940
75.000
60.317
75.000
60.004
75.029
75.000
60.000
75.025
60.000
28.3
25.2
-/+
-/-
VGA, 640 x 480
VGA, 640 x 480
31.5
-/-
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA. 1152 x 864
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1920 x 1080
40.0
+/+
+/+
-/-
49.5
65.0
78.8
+/+
+/+
+/+
+/+
+/+
108.0
108.0
135.0
148.5
Electrical
Model
ST2220L/ST2220M
Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75 ohm input impedance
Digital DVI-D TMDS, 600mV for each differential line, positive polarity at 50 ohm input
impedance
Video input signals
HDMI, 600mV for each differential line, 100 ohm input impedance per differential pair
(for ST2220L)
Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG
(Composite SYNC on green)
Synchronization input signals
AC input voltage/frequency/current
Inrush iso surge current
100 to 240 VAC/50 or 60 Hz + 3 Hz/2.0A (Max.)
120 V: 30 A (Max.)
240 V: 60 A (Max.)
Physical Characteristics
Model
ST2220L/ST2220M
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D-sub: Blue connector
DVI-D: White connector
HDMI (for selective models)
Connector type
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D-sub: Detachable, Analog, 15 pin, shipped attached to the monitor
DVI-D
HDMI (for selective models)
Signal cable type
Dimensions (with stand)
Height
Width
385.86 mm (15.19 inches)
520.64 mm (20.50 inches)
203.68 mm (8.02 inches)
Depth
Dimensions (without stand)
Height
326.02 mm (12.84 inches)
520.64 mm (20.50 inches)
59.40 mm (2.34 inches)
Width
Depth
Stand dimensions
Height
149.85 mm ( 5.90 inches)
203.68 mm (8.02 inches)
203.68 mm (8.02 inches)
Width
Depth
Weight
Weight with packaging
5.19 kg (11.43 lb)
Weight with stand assembly and
cables
4.09 kg (9.01 lb)
Weight without stand assembly
(for wall mount or VESA mount
considerations - no cables)
3.10 kg (6.83 lb)
0.67 kg (1.48 lb)
Weight of stand assembly
Environmental
Model
ST2220L/ST2220M
Temperature
Operating
0° to 40° C (32° to 104°F)
Storage: -20° to 60° C (-4° to 140° F)
Shipping: -20° to 60° C (-4° to 140° F)
Non-operating
Humidity
Operating
10% to 80% (non-condensing)
Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Non-operating
Altitude
Operating
Non-operating
4,485 m (14,700 ft) max
12,191 m (40,000 ft) max
95.54 BTU/hour (maximum)
68.24 BTU/hour (typical)
Thermal dissipation
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 that the system can configure itself and optimize the monitor settings. If required,
the user can select different settings, but in most cases monitor installation is automatic.
LCD Monitor Quality & Pixel Policy
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state. The visible result is a fixed
pixel that appears as an extremely tiny dark or bright discolored spot. When the pixel remains permanently lit, it is known as a "bright dot." When the pixel
remains black, it is known as a "dark dot."
In almost every case, these fixed pixels are hard to see and do not detract from display quality or usability. A display with 1 to 5 fixed pixels is considered
normal and within competitive standards. For more information, see Dell Support site at: support.dell.com.
Maintenance Guidelines
Caring for Your Monitor
monitor.
CAUTION: Before cleaning the monitor, unplug the monitor from the electrical
outlet.
For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor:
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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.
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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.
If you notice a white powder when you unpack your monitor, wipe it off with a cloth.
Handle your monitor with care as dark-colored monitors may scratch and show white scuff marks more than lighter-colored monitors.
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.
Appendix
Dell™ ST2220L/ST2220M monitor User's Guide
CAUTION: Safety Instructions
CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock,
electrical hazards, and/or mechanical hazards.
For information on safety instructions, see the Safety Information that ships with your monitor.
FCC Notice (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).
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. Visit support.dell.com.
2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom of the page.
3. Click Contact Us on the left side of the page.
4. Select the appropriate service or support link based on your need.
5. Choose the method of contacting Dell that is convenient for you.
Setting Up Your Monitor
Dell™ ST2220L/ST2220M 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 1920x1080 again.
NOTE: If you are unable to set the resolution to 1920x1080 , please contact Dell™ to inquire about a Graphics Adapter that supports these resolutions.
Setting Up Your Monitor
Dell™ ST2220L/ST2220M 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 controller supplier from the description at the top of the window (e.g. NVIDIA, ATI, Intel etc.).
5. Please refer to the graphics 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 1920x1080 again.
®
In Windows Vista or Windows 7:
1. 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. Please refer to the graphics 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 1920x1080 again.
NOTE: If you are unable to set the resolution to 1920x1080 , please contact the manufacturer of your computer or consider purchasing a graphics adapter
that will support the video resolution of 1920x1080 .
Operating the Monitor
Dell™ ST2220L/ST2220M monitor User's Guide
Using the Front Panel
Use the control buttons on the side 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.
1-2
1
Shortcut keys
Use this button for direct access to the control menu that you define in the personalize menu.
*The default settings are Preset Modes Select and Brightness/Contrast Select.
Use this button for different display preset modes on your monitor.
Use this button to access the "Brightness/Contrast" control menu.
Use this button to exit the OSD menu.
Preset Modes Select
Brightness/Contrast
OSD Menu
2
3
4
5
Exit
Use the power button to turn the monitor on and off.
Power button
The white light indicates that the monitor is on and fully functional. An amber light indicates power save mode.
Using the On-Screen Display (OSD) Menu
NOTE: If you change the settings and then either proceed to another menu, or exit the OSD menu, the monitor automatically saves the changes. The
changes are also saved if you change the settings and then wait for the OSD menu to disappear.
1. Press any key to launch the OSD menu and press
to display the main menu.
Main Menu for Analog (VGA) Input
Or
Main Menu for non Analog (non VGA) Input
NOTE: Auto Adjust is only available when you are using the analog (VGA) connector.
2. Press the
and
buttons to move between the setting options. As you move from one icon to another, the option name is highlighted. See the table
for a complete list of all the options available for the monitor.
3. Press the
4. Press the
5. Press the
button once to activate the highlighted option.
and
buttons to select the desired parameter.
button to enter the slide bar and then use the
and
buttons, according to the indicators on the menu, to make your changes.
6. Press the
button to return to the main menu or exit the OSD menu.
Icon
Menu and Submenus
Brightness/Contrast
Description
Allows you to adjust the brightness and contrast.
Brightness
Brightness adjusts the luminance of the backlight.
Press the button to increase the brightness and Press the
button to decrease the brightness (mi
Contrast Adjust the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
Press the button to increase contrast and press the button to decrease contrast (min 0 ~ max 10
The Contrast function adjusts the degree of difference between the darkest and lightest areas on the m
Back
Press the
button to go back to or exit the main menu.
Auto Adjust
Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes
NOTE: In most cases, Auto Adjust produces the best image for your configuration.
Input Source
The Input Source menu is to used to select between different video signals that may be connected to yo
Auto Select
Scan for Sources. Push
to scan for available input signals.
VGA
Select VGA input when you are using the analog (VGA) connector. Push
Select DVI-D input when you are using the Digital (DVI) connector. Push
to select the VGA input source
to select the DVI input sourc
DVI-D
Select HDMI input when you are using the HDMI connector. Push
to select the HDMI input source.
HDMI (for selective models)
Back
Push the
button to go back to or exit the main menu.
Color Settings
Use the color settings to adjust the Image mode and color format.
Input Color Format
Mode Selection
Allows you to set the color format.
Allows you to set the display mode to Graphics or Video. If your computer is connected to your monitor, c
Preset Modes
VGA input
Standard
Mode suitable for desktop applications.
Multimedia
Mode for multimedia applications, e.g., video playback.
Game
Warm
Mode suitable for gaming applications.
Select warm mode to obtain a red tint. This color setting is typically used for color-intensive applications (
Cool
Select cool mode to obtain a bluish tint. This color setting is typically used for text based applications (sp
Custom (RGB)
Use the
or
buttons to increase or decrease each of the three colors (R, G, B) independently, in sin
Video input
Movie
Game
Sports
Nature
Hue
Mode suitable for movie playback.
Mode suitable for game applications.
Mode suitable for sports scenes.
Mode suitable for nature scenes.
This feature can make the video image color shift from green to purple. Use this feature to adjust the ski
increases the green hue in the image
increases the purple hue in the image
NOTE: Hue adjustment is only available for video input.
Saturation
Allows you to adjust the color saturation of the video image. Use
makes video image looks monochrome
or
buttons to adjust the saturati
makes video image looks colorful
NOTE: Saturation adjustment is only available for video input.
Demo Mode
Vertically splits the screen into two segments. The left half of the screen in the normal mode and the righ
NOTE: Demo Mode is only available for video input.
Reset Color Settings
Back
Returns your monitor color settings to the factory default settings.
Press the
button to go back to or exit the main menu.
Display Settings
Wide Mode
Adjusts the image ratio as 4:3 or full screen.
NOTE: Wide Mode adjustment is not required at maximum preset resolution 1920 x 1080.
Horizontal Position
Vertical Position
Use the
and
buttons to adjust image left and right. Minimum is '0' (-). Maximum is '100' (+).
Use the
and
buttons to adjust image up and down. Minimum is '0' (-). Maximum is '100' (+).
Sharpness
Pixel Clock
This feature can make the image look sharper or softer. Use
or
to adjust the sharpness from '0' to
The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference. These settin
Use the and buttons to adjust for best image quality.
If satisfactory results are not obtained using the Phase adjustment, use the Pixel Clock (coarse) adjustm
Phase
Allows you to increase the level of contrast to provide sharper and more detailed image quality.
Dynamic Contrast
Resets the display settings to the factory default settings.
Reset Display Setting
Back Press the
button to go back to or exit the main menu.
Audio Settings
Line Out Source
Select the source of the audio
Turns the Audio Power on or off during power save mode.
Resets the audio settings to the original factory settings.
Power Save Audio
Reset Audio Settings
Back
Push
to go back to or exit the main menu.
Other Settings
Language
Language option to set the OSD display to one of 6 languages (English, Espanol, Francais, Deutsch, Simp
Allows you to adjust the OSD background from opaque to transparent.
Menu Transparency
Menu Timer
Menu Lock
OSD Hold Time: Sets the amount of time the OSD will remain active after the last time you pressed a but
Use the
and
buttons to adjust the slider in 5 second increments, from 5 to 60 seconds.
Controls user access to adjustments. When selected, no user adjustments are allowed. All buttons are l
NOTE: Lock function – Either soft lock (through OSD menu) or hard lock (Press and hold the button abo
Unlock function– Only hard unlock (Press and hold the button above power button for 10 sec)
DDC/CI
DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color b
Enable this feature for best user experience and optimum performance of your monitor.
LCD Conditioning
If an image appears to be retained on the monitor, select LCD Conditioning to help eliminate any image
does not remove burn-in.
Reset all OSD settings to the factory default settings.
Factory Reset
Back
Press the
button to go back to or exit the main menu.
Personalize
There are 2 shortcut keys on the front panel. Select one control menu for each shortcut key to allow dire
OSD Warning Messages
When the monitor does not support a particular resolution mode you will see the following message :
or
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 f
monitor. The recommended mode is 1920x1080.
When monitor enters Power Save mode, the following message appears :
or
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 will appear:
or
If VGA/DVI/HDMI input is selected and both VGA, DVI and HDMI cable are not connected, a floating dialog box as shown
below appears.
or
information.
Setting the Maximum Resolution
To set the maximum resolution for the monitor.
Windows XP:
1. Right-click on the desktop and select Properties.
2. Select the Settings tab.
3. Set the screen resolution to 1920 x 1080.
4. Click OK.
®
®
Windows Vista or Windows 7:
1. Right-click on the desktop and select Personalization.
2. Click Change Display Settings.
3. Move the slider-bar to the right by pressing and holding left-mouse button and adjust the screen resolution to 1920 x 1080.
4. Click OK.
If you do not see 1920 x 1080 as an option, you may need to update your graphics driver. Depending on your computer, complete one of the following
procedures.
If you have a Dell desktop or portable computer:
¡
Go to support.dell.com, enter your service tag, and download the latest driver for your graphics card.
If you are using a non-Dell computer (portable or desktop):
¡
¡
Go to the support site for your computer and download the latest graphic drivers.
Go to your graphics card website and download the latest graphic drivers.
Using the Dell Soundbar (Optional)
The Dell Soundbar is a stereo two channel system mountable on Dell flat panel displays. The Soundbar has a capacitive touch front control panel, a white LED
for power indication, and two audio headset jacks.
Setting Up Your Monitor
Dell™ ST2220L/ST2220M monitor
Important instructions to set the display resolution to 1920x1080 (Maximum)
®
For optimal display performance while using the Microsoft Windows operating systems, set the display resolution to 1920 x 1080 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 1920x1080.
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 1920x1080.
4. Click OK.
If you do not see 1920x1080 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 the provided directions:
Dell™ ST2220L/ST2220M monitor
Information in this document is subject to change without notice.
© 2010 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 registered trademarks or trademarks of Microsoft Corporation in
the United States and/or other countries. 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.
ST2220Lb/ST2220Mb/ST2220Lc/ST2220Mc
June 2010
Rev. A00
Setting Up the Monitor
Dell™ ST2220L/ST2220M monitor User's Guide
Attaching the Base
NOTE: The stand riser and stand base are detached when the monitor is shipped from the factory.
1. Assemble the stand riser to stand base.
a. Place the stand riser on top of the stand base. Slide the stand riser horizontally until the tabs are fully inserted into the stand base grooves.
b. Tighten the thumbscrew below the stand base.
2. Attach the stand assembly to the monitor.
a. Place the monitor on a soft cloth or cushion near the edge of desk.
b. Align the stand assembly bracket to the monitor groove.
c. Insert the bracket towards monitor until it locked in place.
Connecting the Monitor
To connect your monitor to the computer perform the following steps/instructions:
1. Turn off your computer and disconnect the power cable.
2. Connect the HDMI cable, white (digital DVI-D), or blue (analog VGA) display connector cable to the corresponding video port on the back of your
computer. Do not use all the cables on the same computer. Use all of the cables only when they are connected to different computers with appropriate
video systems.
Connecting the blue VGA cable
Connecting the White DVI Cable*
Connecting the HDMI Cable* (for selective models)
NOTE: *Optional purchase item. To purchase DVI or HDMI cable, please visit Dell.com
NOTE: The Graphics are used for the purpose of illustration only. Appearance of the the computer may vary.
After you have completed connecting the VGA/DVI/HDMI cable, follow the procedure below to complete your monitor setup:
1. Plug the power cables for your computer and monitor into a nearby outlet.
2. 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.
Attaching the Soundbar (Optional)
1. Working from the rear of the monitor, attach the Soundbar by aligning the two slots with the two tabs along the bottom rear of the monitor.
2. Slide the Soundbar to the left until it snaps into place.
3. Connect the Soundbar with the DC power connector.
4. Insert the mini stereo plug from the rear of the Soundbar into the computer's audio output jack or the monitor's audio output jack.
NOTICE: Do not use with any device other than the Dell Soundbar.
Removing the Monitor Stand
After placing the monitor panel on a soft cloth or cushion, complete the following steps to remove the base.
1. Use a long screwdriver to push the release latch located in a hole just above the stand.
2. Once the latch is released, remove the base away from the monitor.
Solving Problems
Dell™ ST2220L/ST2220M monitor User's Guide
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 the Analog (blue connector) cable 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 white. Also, the dialog shown below will continuously scroll through the screen.
or
4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged.
5. 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 have performed Step 5, check your video controller and computer system.
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.
NOTE: You can run the built-in diagnostics only when the video cable is unplugged and the monitor is in self-test mode.
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. On the front panel, press and hold the shortcut button 1 and shortcut button 4 keys on the front panel, simultaneously for 2 seconds. A gray screen
appears.
4. Carefully inspect the screen for abnormalities.
5. Press the shortcut button 4 key on the front panel again. The color of the screen changes to red.
6. Inspect the display for any abnormalities.
7. Repeat steps 5 and 6 to inspect the display in green, blue, and white colored screens.
The test is complete when the white screen appears. To exit, press the shortcut 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.
OSD Warning Messages
Common Problems
The following table contains general information about common monitor problems that you might encounter and the possible solutions.
Common Symptoms
What You Experience
No picture
Possible Solutions
No Video/Power LED off
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Ensure that the video cable connecting the monitor and the computer is properly con
secure.
l
l
Verify that the power outlet is functioning properly using any other electrical equipm
Ensure that the power button is depressed fully.
No Video/Power LED on
No picture or no brightness
l
l
l
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Increase brightness & 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.
Poor Focus
Picture is fuzzy, blurry, or ghosting
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l
l
l
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Perform Auto Adjust via OSD.
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 (16:9).
Shaky/Jittery Video
Wavy picture or fine movement
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l
l
l
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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
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l
l
Cycle power on-off.
Pixel that is permanently off is a natural defect that can occur in LCD technology.
Run the built-in diagnostics.
Stuck-on Pixels
Brightness Problems
LCD screen has bright spots
Picture too dim or too bright
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l
l
Cycle power on-off.
Pixel that is permanently off is a natural defect that can occur in LCD technology.
Run the built-in diagnostics.
l
l
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Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
Geometric Distortion
Screen not centered correctly
Screen has one or more lines
l
l
l
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
Horizontal/Vertical Lines
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l
Reset the monitor to Factory Settings.
Perform Auto Adjust via OSD.
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l
l
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Adjust Phase and Pixel Clock controls via OSD.
Perform monitor self-test feature check and determine if these lines are also in self-t
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
Synchronization Problems
Screen is scrambled or appears
torn
l
l
l
l
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 to determine if scrambled screen appears in
mode.
l
l
Check for bent or broken pins in the video cable connector.
Restart the computer in the safe mode.
Safety Related Issues
Intermittent Problems
Visible signs of smoke or sparks
Monitor turns on & off
l
l
Do not perform any troubleshooting steps.
Contact Dell immediately.
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Ensure that the video cable connecting the monitor to the computer is connected pro
secure.
l
l
Reset the monitor to Factory Settings.
Perform monitor self-test feature check to determine if the intermittent problem occu
mode.
Missing Color
Wrong Color
Picture lacks color
l
l
Perform monitor self-test feature check.
Ensure that the video cable connecting the monitor to the computer is connected pro
secure.
l
Check for bent or broken pins in the video cable connector.
Picture color is not good
l
l
l
Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depe
application.
Try a different Color Preset Setting in Color Settings OSD. Adjust R/G/B value in Colo
OSD if the Color Management is turned off.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Image retention from a static
image left on the monitor for a
long period of time
Faint shadow from the static image
displayed appears on the screen
l
l
Use the Power Management feature to turn off the monitor at all times when not in
Alternatively, use a dynamically changing screensaver.
Product-Specific Problems
SPECIFIC SYMPTOMS
WHAT YOU EXPERIENCE
POSSIBLE SOLUTIONS
Screen image is too small
Image is centered on screen, but
does not fill entire viewing area
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Perform monitor reset on "Factory Reset"
Cannot adjust the monitor with
the buttons on the front panel
OSD does not appear on the
screen
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Turn the monitor off and unplug the power cord and then plug back and power on
No Input Signal when user
controls pressed
No picture, the LED light is
amber. When control button is
pressed, the message " No VGA
cable", "No DVI-D cable"or "No
HDMI cable" will appear.
l
l
l
Check the signal source. Ensure that the computer is not in power saving by movin
or pressing any key on the keyboard.
Check whether the signal cable is plugged in and seated properly. Re-plug the sign
necessary.
Re-boot the computer or video player.
The monitor will not fill the entire The picture does not fill the
screen. height or width of the screen.
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Due to the non-standard formats of DVDs, the monitor may not show the full screen
Troubleshooting the Dell™ Soundbar (Optional)
COMMON SYMPTOMS
No Sound
WHAT YOU EXPERIENCE
POSSIBLE SOLUTIONS
Soundbar has power - power
indicator is on.
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l
l
l
l
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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 volume up.
Clean and reseat the audio line-in plug.
Test the Soundbar using another audio source (i.e., portable CD player).
Distorted Sound
Computer's sound card is used
as the audio source.
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l
l
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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
Set all Windows volume controls to their midpoints.
Decrease the volume of the audio application.
l
l
l
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Turn the volume down.
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).
Distorted Sound
Other audio source is used.
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l
l
l
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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 s
Decrease the volume of the audio source.
Turn the volume down.
Clean and reseat the audio line-in plug.
Unbalanced Sound Output
Sound from only one side of
Soundbar
l
l
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
source.
l
l
l
l
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).
Low Volume
Volume is too low
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l
l
l
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Clear any obstructions between the Soundbar and the user.
Turn the volume up to its maximum level.
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).
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