Asus ML229H User Guide - Page 18

3.3 Troubleshooting (FAQ) Problem Possible Solution Power LED is not ON • 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. The power LED lights white blinking 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 • Press the button for two seconds to automatically adjust the image. • Adjust the H-Position or V-Position settings via OSD. Screen image bounces or a wave • Make sure the signal cable is properly connected to pattern is present in the image 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 All Reset via OSD. • Adjust the R/G/B color settings or select the Color Temperature via OSD. Screen image is blurry or fuzzy • Press the button for 2~4 seconds to automatically adjust the image (for VGA input 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. ASUS LED Monitor ML229H Series 3-7