13
Section 10: Troubleshooting
10.1 – General Problems
The screen is blank
•
Press the power button to turn on the monitor.
•
Confirm the brightness and contrast settings are set normally.
•
Check if the indicator light is flashing. If so, 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 flashing
•
Try an alternative power source. Insufficient power may be causing this issue.
•
Ensure devices such as non-shielded speakers, fluorescent 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 48-60Hz.
•
Reconnect and ensure your video cable is secure.
The indicator light does not work
•
Check that the power is on.
•
Check that the power cable is connected and plugged in to a wall outlet.
Cannot plug and play.
•
Make sure the monitor is compatible with PC.
•
Make sure the graphics card is compatible with the monitor.
•
Check cable connectors for curved or damaged pins. Replace cables if needed.
Dim image
•
Adjust the brightness and/or contrast ratio.
Image jitter/moire pattern
•
Nearby electric equipment may interfere with the monitor.
Light indicator is on or flashing, but there is no image displayed on screen
•
Check that the monitor is receiving power.
•
Check that the graphics card is installed properly.
•
Check that the power cable is securely connected to the monitor.
•
Check cable connectors for curved or damaged pins. Replace cables if needed.
Color shortage (red, green, or blue)
•
Check cable connectors for curved or damaged pins. Replace cables if needed.
Color difference (colors are not optimized)
•
Adjust RGB color or reset color temperature settings.
