Troubleshooting - ViewSonic VG2448a-2B User Manual

Troubleshooting

This section describes some common problems that you may experience when
using the monitor.
Problem or Issue
No power
Power is On, but no
image appears on the
screen
Wrong or abnormal
colors
Screen image is too
light or dark
Screen image cuts in
and out
The screen image or
text is blurred
The screen is not
centered correctly
The screen appears
yellow
• Make sure you have turned on the monitor.
Otherwise, touch the Power button to turn on the
monitor.
• Make sure the power cord is properly and securely
connected to the monitor.
• Plug another electrical device into the power outlet
to verify that the outlet is supplying power.
• Make sure the video cable connecting the monitor to
the computer is properly and securely connected.
• Check for broken pins in the video cable connector.
• Adjust the brightness and contrast settings.
• Make sure the correct input source is selected.
• If any colors (red, green, or blue) are missing,
check the video cable to make sure it is properly
and securely connected. Loose or broken pins
in the cable connector could cause an improper
connection.
• Connect the monitor to another computer.
• Adjust the brightness and contrast settings.
• Reset the monitor to factory settings.
• Make sure the video cable connecting the monitor to
the computer is properly and securely connected.
• Make sure the correct input source is selected.
• Check for broken pins in the video cable connector.
• Adjust the resolution to the correct Aspect Ratio.
• Reset the monitor to factory settings.
• Adjust the resolution to the correct Aspect Ratio.
• Adjust the horizontal and vertical controls via the
OSD Menu.
• Reset the monitor to factory settings.
• Make sure the "Blue Light Filter" is Off.
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Possible Solutions