User manual

Troubleshooting

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 interfer-

ence

• 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 is

normal (inherent in LCD technology)

Image contains not enough

grayscales

• Adjust the Display Function to

DICOM by means of the NioWatch

software

• You may have installed the driver

software with an inappropriate

selection of Palette Settings (Static

Gray with or without System Colors).

Install the driver software again

using a different setting for Palette

Settings.