15
Section 11: Troubleshooting
The screen is blank
•
Press the power button to turn the monitor on.
•
Con
fi
rm the brightness and contrast settings are set normally.
•
Check if the indicator light is
fl
ashing. If so, this indicates there is no signal from your video
source.
•
If your source is a notebook or laptop, be sure that its settings are in mirror or extension
mode and the device itself is powered on.
The image is out of focus
•
Ensure the video cable is inserted properly at both ends.
The screen is
fl
ashing
•
Try an alternative power source. If the current one is insuf
fi
cient, it may be causing this
issue.
•
Ensure devices such as non-shielded speakers,
fl
uorescent lighting, AC transformers,
table fans etc. are a safe distance away from your screen to avoid magnetic disturbances.
The color bleeds or visual effects appear unusual.
•
If your screen is all red or blue, or any colors disappear, check to see that the cable is
properly inserted. A loose connection can cause a bad signal.
•
Try connecting to another video source for comparison.
The screen appears to be scrolling, rolling, or moving unusually.
•
Check that your source frequency is within 55-75Hz.
•
Reconnect and ensure your video cable is secure.
The monitor needs cleaning
•
Make sure the monitor has been powered off before cleaning.
•
Always use soft, non-abrasive cloth when cleaning.
•
Use dry, non-abrasive cloth to gently remove debris or dust.
•
If necessary, lightly dampen a non-abrasive cloth with water and gently clean the surface.
•
Never use alcohol or ammonia-based cleaning solutions.
•
Never spray liquid directly onto any part of the monitor.
The indicator light does not work
•
Check if the power is on
.
•
Check if the power line connected with power.
Cannot plug and play.
•
Inspect if the monitor is compatible with PC.
•
Inspect if the graphics card is compatible with the monitor.
•
Inspect if the pins in the interface are curved.
Dim image
•
Adjust the brightness and contrast ratio.
Image jitter/moire pattern
•
Nearby electric equipment may interfere with the monitor.
Light indicator is on or
fl
ashing, but there is no image displayed on screen
•
Check if the monitor power is on.
•
Check if the graphics card is installed properly.
•
Check if the signal line connects securely with the monitor.
•
Check if the pins in the interface are curved.
Color shortage (red, green, or blue)
•
Inspect if the pins in the interface are curved.
Image position is not centered/the size is not right
•
Please adjust Clock or Auto setting.
Color difference (colors are not optimized)
•
Adjust RGB color or reset color temperature.
Содержание GN27C2
Страница 18: ...COPYRIGHT 2018 VIOTEK ALL RIGHTS RESERVED...