Asus PG221 User's Guide download pdf (Page 26)

4-2 Chapter 4: Appendix

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

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 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

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

• 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.

4.2 Troubleshooting (FAQ)

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Asus PG221 User's Guide Page 26

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