MegaVision MV140 ユーザーズマニュアル
18
Troubleshooting
Warning : This section will try to anticipate potential problems that you may
encounter in the day-to-day use of your monitor.
If after trying the suggested solutions, your monitor’s symptom
remains the same, contact your authorized service center.
remains the same, contact your authorized service center.
Troubleshooting problems
Problems
Corrective Actions
LED ON
• Using OSD, adjust Brightness and Contrast to
maximum or reset to their default settings.
LED OFF
• Check the power switch.
• Check if the AC power cord is properly
connected to the AC adapter.
No Picture
LED Blinking
• Check if video signal cable is properly
connected at the back of monitor.
• Check if the power to computer system is
ON.
ON.
Display is not clear
• Adjust the Frequency and Phase
settings.
settings.
Too light or too dark
• Adjust the Brightness and Contrast
settings.
settings.
Image is not centered
• Adjust the Horizontal and Vertical position
settings using the OSD.
Out of Range
• Check the maximum resolution and the
frequency on the video port of your computer.
Picture is scrambled
• Check the signal cable connection between
the computer and monitor.