Product-Specific Problems - Dell ST2220L User Manual

Synchronization Problems
Safety Related Issues
Intermittent Problems
Missing Color
Wrong Color
Image retention from a static
image left on the monitor for a
long period of time

Product-Specific Problems

SPECIFIC SYMPTOMS
Screen image is too small
Cannot adjust the monitor with
the buttons on the front panel
No Input Signal when user
controls pressed
The monitor will not fill the entire
screen.
Troubleshooting the Dell™ Soundbar (Optional)
COMMON SYMPTOMS
No Sound
Distorted Sound
Screen is scrambled or appears
torn
Visible signs of smoke or sparks
Monitor turns on & off
Picture lacks color
Picture color is not good
Faint shadow from the static image
displayed appears on the 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 LED light is
amber. When control button is
pressed, the message " No VGA
cable", "No DVI-D cable"or "No
HDMI cable" will appear.
The picture does not fill the
height or width of the screen.
WHAT YOU EXPERIENCE
Soundbar has power - power
indicator is on.
Computer's sound card is used
as the audio source.
Adjust Phase and Pixel Clock controls via OSD.
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Perform monitor self-test feature check and determine if these lines are also in self-test mode.
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Check for bent or broken pins in the video cable connector.
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Run the built-in diagnostics.
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Reset the monitor to Factory Settings.
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Perform Auto Adjust via OSD.
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Adjust Phase and Pixel Clock controls via OSD.
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Perform monitor self-test feature check to determine if scrambled screen appears in self
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mode.
Check for bent or broken pins in the video cable connector.
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Restart the computer in the safe mode.
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Do not perform any troubleshooting steps.
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Contact Dell immediately.
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Ensure that the video cable connecting the monitor to the computer is connected properly and is
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secure.
Reset the monitor to Factory Settings.
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Perform monitor self-test feature check to determine if the intermittent problem occurs in self
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mode.
Perform monitor self-test feature check.
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Ensure that the video cable connecting the monitor to the computer is connected properly and is
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secure.
Check for bent or broken pins in the video cable connector.
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Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the
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application.
Try a different Color Preset Setting in Color Settings OSD. Adjust R/G/B value in Color Settings
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OSD if the Color Management is turned off.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
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Use the Power Management feature to turn off the monitor at all times when not in use
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information, see Power Management
Alternatively, use a dynamically changing screensaver.
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POSSIBLE SOLUTIONS
Perform monitor reset on "Factory Reset"
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Turn the monitor off and unplug the power cord and then plug back and power on
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Check the signal source. Ensure that the computer is not in power saving by moving the mouse
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or pressing any key on the keyboard.
Check whether the signal cable is plugged in and seated properly. Re-plug the signal cable if
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necessary.
Re-boot the computer or video player.
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Due to the non-standard formats of DVDs, the monitor may not show the full screen pictures.
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Plug the audio line-in cable into the computer's audio out jack.
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Set all Windows volume controls to their maximum.
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Play some audio content on the computer (i.e., audio CD, or MP3).
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Turn the volume up.
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Clean and reseat the audio line-in plug.
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Test the Soundbar using another audio source (i.e., portable CD player).
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Clear any obstructions between the Soundbar and the user.
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Confirm that the audio line-in plug is completely inserted into the jack of the sound card.
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Set all Windows volume controls to their midpoints.
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Decrease the volume of the audio application.
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Modes).
POSSIBLE SOLUTIONS