Common Problems - Dell ST2210 User Manual

4. Carefully inspect the screen for abnormalities.
5. Press the shortcut button 4 key 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 shortcut button 4 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.
OSD Warning Messages
For OSD-related issues, see OSD Warning

Common Problems

The following table contains general information about common monitor problems that you might encounter and the possible solutions.
Common Symptoms
No Video/Power LED off
No Video/Power LED on
Poor Focus
Shaky/Jittery Video
Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
Horizontal/Vertical Lines
Messages.
What You Experience
No picture
No picture or no brightness
Picture is fuzzy, blurry, or ghosting
Wavy picture or fine movement
LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
Screen not centered correctly
Screen has one or more lines
Ensure that the video cable connecting the monitor and the computer is properly connected and
l
secure.
Verify that the power outlet is functioning properly using any other electrical equipment.
l
Ensure that the power button is depressed fully.
l
Increase brightness & contrast controls via 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 via OSD.
l
Adjust the Phase and Pixel Clock controls via 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 via OSD.
l
Adjust the Phase and Pixel Clock controls via OSD.
l
Reset the monitor to Factory Settings.
l
Check environmental factors.
l
Relocate the monitor and test 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 via OSD.
l
Adjust brightness & contrast controls via OSD.
l
Reset the monitor to Factory Settings.
l
Auto Adjust via OSD.
l
Adjust brightness & contrast controls via OSD.
l
Reset the monitor to Factory Settings.
l
Perform Auto Adjust via OSD.
l
Possible Solutions