Product-Specific Problems - Dell ST2420L User Manual

Intermittent Problems Monitor turns on & off
Missing Color Picture lacks color
Wrong Color Picture color is not good
Image retention from a static Faint shadow from the static image
image left on the monitor for a displayed appears on the screen
long period of time

Product-Specific Problems

SPECIFIC SYMPTOMS WHAT YOU EXPERIENCE
Screen image is too small Image is centered on screen, but
does not fill entire viewing area
Cannot adjust the monitor with OSD does not appear on the
the buttons on the front panel screen
No Input Signal when user No picture, the LED light is amber.
controls pressed When control button is pressed,
the message " No VGA cable", "No
DVI-D cable"or "No HDMI cable"
will appear.
The monitor will not fill the entire The picture does not fill the height
screen. or width of the screen.
Troubleshooting the Dell™ Soundbar (Optional)
COMMON SYMPTOMS
No Sound Soundbar has power - power
indicator is on.
POSSIBLE SOLUTIONS
WHAT YOU EXPERIENCE
Ensure that the video cable connecting the monitor to the computer is connected properly and is
secure.
Reset the monitor to Factory Settings.
Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test
mode.
Perform monitor self-test feature check.
Ensure that the video cable connecting the monitor to the computer is connected properly and is
secure.
Check for bent or broken pins in the video cable connector.
Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the
application.
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.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Use the Power Management feature to turn off the monitor at all times when not in use (for more
information, see Power Management Modes).
Alternatively, use a dynamically changing screensaver.
Perform monitor reset on "Factory Reset"
Turn the monitor off and unplug the power cord and then plug back and power on
Check the signal source. Ensure that the computer is not in power saving by moving the mouse or
pressing any key on the keyboard.
Check whether the signal cable is plugged in and seated properly. Re-plug the signal cable if
necessary.
Re-boot the computer or video player.
Due to the non-standard formats of DVDs, the monitor may not show the full screen pictures.
POSSIBLE SOLUTIONS
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).