Asus PG221 manual Troubleshooting FAQ, Problem Possible Solution

4.2Troubleshooting (FAQ)

Problem		Possible Solution
Power LED is not ON	• Touch the		sensor 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	•	Check if the monitor and the computer are
screen image	•	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		sensor for 2~3 seconds to
	•	automatically adjust the image.
		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 not	•	Inspect the signal cable and make sure that
look white)		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	• Touch the		sensor 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.
Webcam is not working	•	Ensure that you install the webcam driver which is
	•	in the support CD.
		Make sure that you connect the USB plugs of the
		supplied 4-in-1 cable to both the LCD monitor and
		your computer.
USB devices work abnormally	• Make sure that you connect the USB plugs of the
		supplied 4-in-1 cable to both the LCD monitor and
	•	your computer.
		Check with your PC manufacturer whether your
		PC supports USB2.0 or USB1.1.
	•	If your PC only supports USB1.1, the image
		transmission is much slower.
ASUS Power Bass System is not working	•	Make sure that the woofer cable is securely
		connected to the monitor.

4- Chapter 4: Appendix