Product Specific Problems - Dell S2240M User Manual

Brightness Problems
Geometric Distortion
Horizontal/Vertical Lines
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 are pressed
The picture does not fill the
entire screen
NOTE: When choosing DVI-D mode, the Auto Adjust function is not available.
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For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
support.dell.com.
Picture too dim or too
bright
Screen not centered
correctly
NOTE:
Screen has one or more
lines
NOTE:
Screen is scrambled or
appears torn
Visible signs of smoke or
sparks
Monitor malfunctions on &
off
Picture missing color
Picture color 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
white. When you press "up",
"down" or "Menu" key, the
message " No input signal"
will appear.
The picture cannot fill the
height or width of the screen
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
When using 'DVI-D', the positioning adjustments are not available.
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 and determine if these lines are also in self-test
mode.
Check for bent or broken pins in the video cable connector.
When using 'DVI-D', the Pixel Clock and Phase adjustments are not available.
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 the scrambled screen appears in
self-test mode.
Check for bent or broken pins in the video cable connector.
Restart the computer in the safe mode.
Do not perform any troubleshooting steps.
Contact Dell immediately.
Ensure that the video cable connecting the monitor to the computer is properly connected
and is secured.
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 properly connected
and is secured.
Check for bent or broken pins in the video cable connector.
Try different Color Preset Settings 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 RGB or YPbPr in Color settings OSD.
Use the Power Management feature to turn off the monitor at all times when not in use (for
more information, see Power Management
Alternatively, use a dynamically changing screensaver.
Reset the monitor to Factory Settings.
Turn off the monitor, unplug the power cord, plug back, and then turn on the monitor.
Check if the OSD menu is locked. If yes, press and hold
unlock. See Menu Lock.
Check the signal source. Ensure the computer is not in the power saving mode by
moving the mouse or pressing any key on the keyboard.
Check whether the signal cable is plugged in properly. Re-plug the signal cable if
necessary.
Reset the computer or video player.
Due to different video formats (aspect ratio) of DVDs, the monitor may display in full
screen.
Run the built-in diagnostics.
Modes).
Possible Solutions
key for 10 seconds to