Troubleshooting
82 System manual Nio 5MP
Problems and solutions
Problem description Possible tests or solutions
Screen remains black • Please check the installation
procedure in this manual
• If the LED at the front is
orange, the display is in
stand-by
• Check in the Windows
Display Properties if the
display controller video
heads are attached. If not,
there will be no image on the
screen.
•The external power supply
may be defective
Image exhibits noise or
interference
• The video cable may be of
poor quality
• DVI video cable may not be
firmly connected to the PC or
to the display
• Display may need Phase and
Frequency adjustments (if
analog video is selected)
Image contains missing
pixels
• A number of missing pixels
may be normal (inherent in
LCD technology)
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