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A21
Troubleshooting
Display image is incorrect
● The screen color is
mono or abnormal.
● The screen blinks.
•
Check if the signal cable is properly connected
and use a screwdriver to fasten if necessary.
•
Make sure the video card is properly inserted in
the slot.
•
Set the color setting higher than 24 bits (Color
Quality) at Control Panel --> Settings.
•
Check if the screen is set to interlace mode and if
yes, change it to the recommend resolution.
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