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3.3 Troubleshooting (FAQ)
Problem PossibleSolution
Power LED is not ON • Press the button to check if the monitor
is in the ON mode.
• Check if the power cord is properly
connected to the monitor and the power
outlet.
The power LED lights amber and there is no
screen image
• Check if the monitor and the computer are
in the ON mode.
• Make sure the signal cable is properly
connected the monitor and the computer.
• Inspect the signal cable and make sure
none of the pins are bent.
• Connect the computer with another
available monitor to check if the computer
is properly working.
Screen image is too light or dark • Adjust the Contrast and Brightness settings
via OSD.
Screen image is not centered or sized
properly
• Press the button for two seconds to
automatically adjust the image.
• Adjust the H-Position or V-Position settings
via OSD.
Screen image bounces or a wave pattern is
present in the image
• Make sure the signal cable is properly
connected to the monitor and the computer.
• Move electrical devices that may cause
electrical interference.
Screen image has color defects (white does
not look white)
• Inspect the signal cable and make sure that
none of the pins are bent.
• Perform Reset via OSD.
• Adjust the R/G/B color settings or select the
Color Temperature via OSD.
Screen image is blurry or fuzzy • Press the button for two seconds to
automatically adjust the image (for VGA
mode only).
• Adjust the Phase and Clock settings via
OSD.
No sound or sound is low • Ensure that the audio cable is properly
connected to the monitor and the computer
• Adjust the volume settings of both your
monitor and computer.
• Ensure that the computer sound card driver
is properly installed and activated.
A
A
Webcam is not working • Make sure that you have connected the
USB 2.0 cable securely to both the LCD
monitor and your computer.
• Make sure that you use the Microsoft
Windows Vista/XP Service Pack 2
operation systems.
®
®
ASUS LCD Monitor VK221/VK222 Series
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