Troubleshooting FAQ, Possible Solution

3.3Troubleshooting (FAQ)

Problem

Power LED is not ON

•Tap thebutton 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

• 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.

Screen image bounces or a wave pattern is	• Make sure the signal cable is properly
present in the image	connected to the monitor and the
	computer.
	• Move electrical devices that may cause
	electrical interference.
Screen image has color defects (white does	• Inspect the signal cable and make sure
not look white)	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.
Screen image is blurry or fuzzy	• Touch the	button for 2-4 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 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.

ASUS ML249 Series LED Monitor

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