Common Problems - Dell G2410H User Manual

A
Ambient light Sensor Lens
B
Shortcut Key 1 / Up button
C
Shortcut Key 2 / Down button
D
OSD menu / OK button
E
Back / Exit button
F
Power button (with power light indicator)
4. Carefully inspect the screen for abnormalities.
5. Press the E button 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 E button 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.

Common Problems

The following table contains general information about common monitor problems you might encounter and the possible solutions.
Common Symptoms
Experience
No Video/ Power LED off No picture
No Video/ Power LED on No picture
or no
brightness
Poor Focus Picture is
fuzzy,
blurry, or
ghosting
Shaky/Jittery Video Wavy
picture or
fine
movement
Missing Pixels LCD screen
has spots
Stuck-on Pixels LCD screen
has bright
spots
Brightness Problems Picture too
dim or too
bright
Geometric Distortion Screen not
centered
correctly
Horizontal/Vertical Lines Screen has
one or more
lines
Synchronization Problems Screen is
What You
Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
l
Verify that the power outlet is functioning properly by using any other electrical equipment.
l
Ensure that the power button is depressed fully.
l
Increase brightness & contrast controls using the OSD.
l
Perform monitor self-test feature check.
l
Check for bent or broken pins in the video cable connector.
l
Run the built-in diagnostics.
l
Perform Auto Adjust using the OSD.
l
Adjust the Phase and Pixel Clock controls using the OSD.
l
Eliminate video extension cables.
l
Reset the monitor to Factory Settings.
l
Change the video resolution to the correct aspect ratio (16:9).
l
Perform Auto Adjust using the OSD.
l
Adjust the Phase and Pixel Clock controls using the OSD.
l
Reset the monitor to Factory Settings.
l
Check environmental factors.
l
Relocate the monitor and test it in another room.
l
Cycle power on-off.
l
Pixel that is permanently off is a natural defect that can occur in LCD technology.
l
Run the built-in diagnostics.
l
Cycle power on-off.
l
Pixel that is permanently off is a natural defect that can occur in LCD technology.
l
Run the built-in diagnostics.
l
Reset the monitor to Factory Settings.
l
Auto Adjust using the OSD.
l
Adjust brightness & contrast controls using the OSD.
l
Keep any object clear from the intelligent ambient light sensor.
l
Reset the monitor to Factory Settings.
l
Auto Adjust using the OSD.
l
Adjust brightness & contrast controls using the OSD.
l
NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Reset the monitor to Factory Settings.
l
Perform Auto Adjust using the OSD.
l
Adjust Phase and Pixel Clock controls using the 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.
l
NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Reset the monitor to Factory Settings.
l
Possible Solutions