Dell ST2220L Monitor - Manual (Page 32)

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