Dell E2414H, Руководство пользователя

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44
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Troubleshooting Troubleshooting
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Horizontal/
Vertical Lines
Screen has one
or more lines
•
Reset the monitor to Factory
Settings.
•
Perform Auto Adjust via OSD.
•
Adjust Phase and Pixel Clock
controls via OSD.
•
Perform monitor self-test feature
check and determine if these
lines are also in self-test mode.
•
Check for bent or broken pins in
the video cable connector.
•
Run the built-in diagnostics.
NOTE:
When using DVI-D input, the
Pixel Clock and Phase adjustments are
not available.
Synchronization
Problems
Screen is
scrambled or
appears torn
•
Reset the monitor to Factory
Settings.
•
Perform Auto Adjust via OSD.
•
Adjust Phase and Pixel Clock
controls via OSD.
•
Perform monitor self-test feature
check to determine if the
scrambled screen appears in self-
test mode.
•
Check for bent or broken pins in
the video cable connector.
•
Restart the computer in the safe
mode.
Safety Related Visible signs
•
Do not perform any
Issues
of smoke or
sparks troubleshooting steps.
•
Contact Dell immediately.
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.
Geometric
Distortion
Screen not
centered
correctly
•
Reset the monitor to Factory
Settings.
•
Auto Adjust via OSD.
•
Adjust Horizontal Position &
Vertical Position controls via OSD.
NOTE: When using DVI-D input,
the positioning adjustments are not
available.