Asus ML249 Series User Manual - Page 20

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Asus ML249 Series 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
ASUS ML249 Series LED Monitor
Possible Solution
• Tap 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.
• Touch the
button for 2-4 seconds
to automatically adjust the image (for VGA
mode only).
• 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 All Reset via OSD.
• Adjust the R/G/B color settings or select
the Color Temperature via OSD.
• Touch the
button for 2-4 seconds
to automatically adjust the image (for VGA
mode only).
• Adjust the Phase and Clock settings via
OSD.
• Ensure that the HDMI cable is properly
connected to the monitor and the
computer.
• Adjust the volume settings of both your
monitor and HDMI device.
• Ensure that the computer sound card
driver is properly installed and activated.
3-5