Dell S2715H Monitor - Manual (Page 45)

Troubleshooting | 45
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 depressed fully.
• 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 & contrast controls via 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.
Poor Focus Picture is fuzzy,
blurry, or ghosting • Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel Clock controls via OSD.
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery
Video Wavy picture or
fine movement • Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel Clock controls via OSD.
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in another room.
Missing Pixels LCD screen has
spots • Cycle power on-off.
• Pixel that is permanently off is a natural defect that can
occur in LCD technology.
• For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
http://www.dell.com/
support/monitors .
Stuck-on Pixels LCD screen has
bright spots • Cycle power On-Off.
• Pixel that is permanently off is a natural defect that can
occur in LCD technology.
• For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at: http://www.dell.
com/support/monitors .
Brightness
Problems Picture too dim
or too bright • Reset the monitor to factory settings.
• Auto Adjust via OSD.
• Adjust brightness & contrast controls via OSD.