Troubleshooting.(Faq); Troubleshooting - Asus VK221S User Manual

3.3 Troubleshooting (FAQ)
Problem
Power LED is not ON
The power LED lights amber and there is no
screen image
Screen image is too light or dark
Screen image is not centered or sized
properly
Screen image bounces or a wave pattern is
present in the image
Screen image has color defects (white does
not look white)
Screen image is blurry or fuzzy
No sound or sound is low
Webcam is not working
ASUS LCD Monitor VK221/VK222 Series
Possible Solution
• 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.
• 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.
• Adjust the Contrast and Brightness settings
via OSD.
• Press the button for two seconds to
A
automatically adjust the image.
• Adjust the H-Position or V-Position settings
via OSD.
• Make sure the signal cable is properly
connected to the monitor and the computer.
• Move electrical devices that may cause
electrical interference.
• 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.
• Press the button for two seconds to
A
automatically adjust the image (for VGA
mode only).
• Adjust the Phase and Clock settings via
OSD.
• 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.
• 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.
®
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