Dell MR2217 - Common Problems

Troubleshooting | 61
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
Sy
mptoms
What You
Experience
Possible Solutions
No Video/Power
LED off
No picture
• Ensure that the video cable connec
ting 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 pressed 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.
• Chec
k 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.
• Adju
st the Phase and Pixel Clock controls via OSD.
• Eliminat
e video extension cables.
• R
eset the monitor to factory settings.
• Change
the video resolution to the correct aspect ratio.
Shaky/Jittery
Vi
deo
Wavy picture or
fine movement
• Perform Auto Adjust via OSD.
• Adju
st the Phase and Pixel Clock controls via OSD.
• R
eset the monitor to factory settings.
• Check envir
onmental factors.
• R
elocate the monitor and test in another room.
Missing Pixels LCD screen has
spo
ts
• Cycle power On-Off.
• Pixel that is permanently Off is a natural defect that can
occur in LCD technology
.
Stuck-on Pixels LCD screen has
bright spots
• Cycle power On-Off.
• Pixel that is permanently off is a natural defect that c
an
occur in LCD technology.