ASUS VH236H User Manual

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 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

•  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 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

•  Press the   button 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.

 

   

3-7

Chapter 3: General Instruction