Dell S2425HS - Common Problems

Troubleshooting | 61
Common problems
The following table contains general information about common monitor problems you
might encounter and the possible solutions:
Common
symptoms
What you
experience
Possible solutions
No video/
Power LED off
No picture • Ensure that the video cable connecting the
monitor and the computer is properly connected
and secure.
• Verify that the power outlet is functioning
properly using any other electrical equipment.
• Ensure that the power button is on.
• Ensure that the correct input source is selected
in the Input Source menu.
No video/
Power LED on
No picture or no
brightness
• Increase brightness and contrast controls
through OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable
connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected
in the Input Source menu.
Missing pixels LCD screen has
spots
• Cycle power on-o.
• Pixel that is permanently o is a natural defect
that can occur in LCD technology.
• For more information about Dell Monitor Quality
and Pixel Policy, see Dell Support site at: https://
www.dell.com/support/monitors.
Stuck-on pixels LCD screen has
bright spots
• Cycle power on-o.
• Pixel that is permanently o is a natural defect
that can occur in LCD technology.
• For more information about Dell Monitor Quality
and Pixel Policy, see Dell Support site at: https://
www.dell.com/support/monitors.
Brightness
problems
Picture too dim
or too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls through
OSD.